Set time is predictable and 48-72 hours cure is accurate. Q: How long must Chemseal B2 sealant CS3204 cure before it can be painted? Dispensing: Like a previous reviewer, I just used a cheap $5 gun.. mine didnt even require making the plunger diameter smaller.. it fit perfectly Used this (B-2)for sealing the fuel sending unit into the side of a wing tank. These cookies will be stored in your browser only with your consent. Aircraft fuel tank sealants are glues or adhesives designed to create air-tight seals in the rivets, joints, and other parts of fuels tanks in order to prevent fuel leaks. No problems! Aircraft Sealants PRC Desoto. and 6 oz can fills 16 oz? The mixing is almost automatic so you get a reliable cure. Often for the best seal, you will want to use aircraft fuel tank sealant remover for a clean surface to begin the application. Ready to go in 24 hrs. Toll Free: 877-477-7823 PR1750 Fuel Tank Sealant PR1776 Low Weight Fuel Tank Sealant. The thinned proseal is much easier to apply in my opinion. Add about 2 or 2 1/2 psi of air pressure . I havent put fuel in yet but very confident it will be fine. After i threaded the nipple/neck into the top of the wing tank, I smeared the sealant on the inside of the nipple at the junction of the threads in addition to putting sealant on the fine threads. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. One worked properly the other one did not cure out. Fuel Tank Sealant, 1 ounce, 1/2 hour work time (1 ounce) This is mainly used for aluminum and titanium steel. We serve MRO, airlines, OEM, and chemical management and are AS 9100D and ISO 9001:2015 certified and Nadcap accredited. After the cartridge has been mixed, you can use a manual dispensing gun, p/n's 12-38520 or 12-38530, or an air-powered gun like 12-02923, 12-02922, 12-02921, or 12-02920. Fax: 800-329-3020, West - Corona, CA PR-706 is a non-curing fuel tank channel sealant. Worked as advertised. For the Mooney, these are available up through the J-model and although they used to exact penalties in both reduced fuel and higher empty weight, a new system from O&N Aircraft Modification retains the J-models original 64-gallon capacity at weight penalty of about 30 pounds. You can keep the 30 pounds of payload. Please note other excluded items on the same order may incur a freight charge. Worked great.. less mess.. easy to mix.. works in normal caulk gun as well! It does not store any personal data. Q: What are the temperature limits? Scott Aviation. This cookie is set by GDPR Cookie Consent plugin. Company. Per the tech data sheet: Color of Class B is Base Compound Off-white, curing agent is Gray, and Mixed is Gray. It has only been a week but there is no leaks and I believe this fix will last forever. (this is aerospace engineering, after all). Can they be used with a Semco gun and can you use a caulking gun like you would find commonly? CS3204 is a fuel resistant sealant for use on integral fuel tanks and pressurized cabins as well as other areas subject to contact with aircraft fuels, lubricants, oils, water and/or weathering. Its too bad they don't make smaller tubes to eliminate waste, because once its mixed you must use it, as the stuff left inside the cartridge sets up to a rubber like solid compound within hrs or overnight. The tank has to be drained to complete the repair. If youre newer than that, you might not need it, Beck says. Northeast - Middletown, PA Please check the boxes for the options that you would like to add. Customer Service: 800-861-3192 It is recommended that you allow all cookies. It can be poured in and sloshed around in a fuel tank. In this article, we introduce an aircraft sealant inspection system (ASInspS) to achieve accurate and reliable internal inspection for fuel tanks. Often aviation sealants differ based on their usage. The manufacturer recommends paint remover or MEK. However, Don Maxwell says he advises customers that bladders and a reseal come out in about the same place pricewise. PRC SLOSHING SEALER PR1005L PT from Aircraft Spruce Europe. Item is doing the job of a pin hole leak. Manufactured by Royal Adhesives And Sealants Llc, this FCD60712 NSN Part can be shipped at any time. Q: What are you supposed to use to dispense the product? Great product! It involves drawing a vacuum in the tank, noting where air bubbles appear, then spot sealing that area. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. Ad find deals on gas proof sealant in car fluids on amazon. . What to Consider When Shopping for Aviation Sealants. GORE SKYFLEX Aerospace Materials are engineered with unique features that make them more durable against challenging environmental factors and aircraft conditions, including: chemically inert, non-hazardous materials temperature- and abrasion-resistant materials Dry, lightweight and highly conformable materials Essentially abandoning the wet wing tanks and stuffing vulcanized neoprene bladders through the access panels. Video 606 in the Hit Parade. Hartwig Fuel Cell Repairs offers Repairs or Rebuilds as well as New fuel cells for your aircraft, helicopter, boat and race car needs. Q: I was not given the Part Number. Aircraft Integral Fuel Tank | Aircraft Fuel Tank Baffles This part of the aircraft fuel tank system lies on the wings or fuselage, usually sealed with a fuel resistant 2-part sealant to form the fuel tank system on some aircraft, particularly transport class and high-performance one. Sealing ability is superb. PR-1422 Class B is an aircraft integral fuel tank sealant. Customized Sealant Solutions (CSS)A family of products designed to simplify the sealing process. It would be nice if this site told you which you were getting. Remove old sealant with a nonmetallic scraper. Thanks Jim. Adhesion PromotersAn Adhesion promoter will enhance the coupling characteristic of our sealants to a wide variety of substrates. Overview PR-1422 Class B is an aircraft integral fuel tank sealant. Each approach has its merits. Not only do aviation sealants provide superior safety for pilots and passengers, but they also add longevity to an airplane's lifespan and minimize the need for costly repairs. US: 1-800-843-8033 Canada: 1-800-665-0236 International: 204-668-3234 Fax: . Otherwise, if youre going to keep the airplane, a properly done reseal will enhance the airplanes value and probably last as long as you own it. This product shipped by regular mail (USPS) and took to long to get. Q: Is this the low adhesive product (AMS 3284)? Northeast - Middletown, PA PR-1770 Class B High Strength Fuel Tank SealantPR-1770 Class B is a high strength, aircraft integral fuel tank sealant. This is impervious to all fuel types. Analytical cookies are used to understand how visitors interact with the website. Q: Does this Pro-Seal P/S 890 B2 come in grey? Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. All of the work has to be done through small access panels, requiring the flexibility of a contortionist and the patience of a saint. I dropped about 10 ft of chain in the tank and vigorously shook it until all he rust flakes were loose cleaned out and added sealer as directed. Q: Can this product be used in aluminum floats or aluminum boats to seal rivets and be applied with a brush? Because Polysulphide sealant is resistant to chemicals such as fuel, it offers a lasting seal that can be counted on in the aviation industry. However, despite being one of the most pivotal innovations in the aviation industry, many professionals are still unaware of the scope of aviation sealants as well as the value of PMA sealants. Some people want the bladders so their local mechanic can take one out and get it fixed if it leaks. Sealants also come in a variety of application styles, including: When choosing the best tank sealant for your application, you will want to consider: When applying your aircraft fuel tank sealant, always follow the instructions and safety guidelines that come with your product. This material is designed for fillet sealing of fuel tanks and other aircraft fuselage sealing applications. Full ResealEven well-known Mooney shops like Don Maxwell Aviation in Longview, Texas, wont tackle reseal work, which Maxwell describes as the worst job in aviation. Q: Does Proseal product withstand automobile fuel? BladdersWhats involved with bladders? Fuel Tank Sealant, approx 1 quart, 2 hour work time (quart) Order when ready to seal tanks. It works. never more than 3 psi. This will adhere to a plastic tank but will eventually breakdown because of the gasoline. CA Transparency in Supply Chain Disclosure Normally, Prist is added to the aircraft fuel tanks at the pilots discretion. Or mix A with B? It has been used in race vehicles that use many alcohol type additives without any known problems, but the supplier will not recommend it since it has not been lab tested. For the hardware part, we utilize a high-precision 3-D scanner and a visual-inertial odometry (VIO) to acquire point clouds and poses, simultaneously. Please check the boxes for the options that you would like to add. These sealants are rapid cure, aircraft integral fuel tank and fuselage sealant. But the legacy self-sealing approach is increasingly seen as an old technology that is ripe for innovation. The extra cure time was a delay but I was happy I had the extra work time. This sealant works well. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. This product plus shipping is just too expensive to just forget about it. Knowledge of integral fuel tank sealing and application processes required. PR-1770 Class C Faying Surface Sealant great stuff. Maxwell has done the bladders, but doesnt push them. This is a tricky question. Worked great! I explained the problem and requested a return label twice last week but have had no response. It has a service temperature range from - 65F (-54C) to 250F (121C), with intermittent excursions up to 275F (135C). Light Weight Fuel Tank and Fuselage AC-370 (Type 1) 1.3 6 - 7 hours 6 - 7 hours 7 - 8 hours 8 - 10 hours AC-380 (Type 2) 1.1 5 hours 5 hours 8 - 10 hours 8 - 10 Q: Does the pint size Pro Seal come with catalyst in a separate container? The cures sealant maintains excellent elastomeric . . The manufacturer quickly responded and order was placed 2 days after questions were answered and then 3 days after I placed the order the product arrived at my door.. Rating. The tech data sheet only refers to aviation and jet fuel. Looking for those with a background in fuel tank fastener sealant removal and application to work on B737. The brand I used says Flamemaster on the tube, which comes in a plastic bag. PR-1782 Class C Low Density SealantPR-1782 Class C is a low density, aircraft fuel tank and general purpose sealant, roller grade. No residue can be left or the sealer may not stick as the diesel has an oil mix in it that can be difficult to remove when the tank is empty. Canada - Brantford, ON, FREE SHIPPING ON ORDERS OVER $350 (USA ONLY - SOME EXCLUSIONS APPLY) | 877-4-SPRUCE. I used the product in a fiberglass fuel tank it seems to dry and produce a nice film. Regular maintenance helps keep your aircraft fuel system clean and can prevent costly repairs due to bacterial growth, corrosion, or damaged filters and probes. The sealant is just as commonly used in aerospace and automotive industries when needing to seal fuselages and fuel tanks. Hope it lasts for many years to come. We also use third-party cookies that help us analyze and understand how you use this website. It is intended for use on integral fuel tanks and pressurized cabins as well as other areas subject to contact with aircraft fuels, lubricants, oils, water and/or weathering. It has a pretty long working time. Leave all boxes unchecked for unit only. PS870C24 - Fuel Tank Sealant, 654 Semkit 6 OZ. Promotional literature from Cooper Aviation Supply Catalog 41 page 1470 states, "FUEL TANK SEALER 802 -Designed for aircraft metal fuel cells that have no structural defect yet have seepage's leaks around rivets or . Our team of experts has the ability to perform any necessary repairs for Piper aircraft including corrosion removal, resealing, structural damage and more. AIR4069C. Florida Flight does all of its tank work in Venice. This website uses cookies to improve your experience. exposure to both jet fuel and aviation gas. Q: Can I use ProSeal to seal an oil tank for a race car? As long as the tank is cleaned and prepped properly, it should work just fine. Tank sealants must also cure at room temperature and not chemically react with fuels and oils. The cured sealant maintains excellent elastomeric properties after prolonged 1st disappointment was Aircraft Spruce not mentioning or listing the required caulking gun for applying the sealant. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Over 31 years of experience in custom packaging and distribution of aerospace sealants and adhesives for the commercial, corporate, and military sectors. I have used this product for many years. . Smooth tough film when dry. 2023: July 24 - July 30; 2024: July 22 - July 28; Years of landings, with a few hard ones thrown in, can flex the structure enough to loosen old sealant, kicking off the leak process. Q: What is the lowest temperature that the product can be reasonably mixed and applied? This is a single stage component. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. It has a service temperature range from -65C (-54C) to 250F (121C), with intermittent excursions up to 275F (135C). Easy to use and cures easily. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". Material can be applied on vertical surfaces and does not run or sag. Please click the link below for the listing: Cleans up easily with MEK. Mooney tanks also develop leaks toward the front of the cells, producing staining visible from inside the gear wells. Q: Is there a recommended clean up solvent? Looking for those with a background in fuel tank fastener sealant removal and application to work on B737. This stuff fit the bill and is completely leak free. Class B Polysulfide Sealant Tack Free and Cure Times* Specification 3M Product Specific Gravity Tack Free Cure Tack Free Cure Tack Free Cure Tack Free Cure Tack Free Cure Tack Free . The idea is to pour the product in to the tank and slosh it around. Item qualifies for free ground shipping. Presto! $200.00 + $150.00 shipping . Q: I am repairing a fuel tank on my diesel tractor. High Temperature and FirewallThe material is designed for sealing firewall structures against the passage of air and vapors. Gets the job done. It is recommended that you allow all cookies. No appropriate gun listed in accessories. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. Northeast - Middletown, PA 22 results for Fuel Tank Sealants Sort by Pro-Seal Fuel Tank Sealant P/S 890 B2 From $74.75 to $314.00 Chemseal B2 Tank Sealant CS3204 From $27.50 to $81.75 Pr-1005-L Buna-N-Slosh Coating From $178.95 to $329.00 Alcohol Resistant Gas Tank Sealer From $38.80 to $93.75 Dow Corning 730 Fs Solvent Resistant Sealant $179.85 East - Peachtree City, GA It has a service temperature range from -65F (-54C) to 250F (121C), with intermittent excursions up to 275F (135C). Per the data sheet the cure can be accelerated by heating up to 120 degrees. All is well. 33110 Old Hempstead Road With careful application, one can should do one airplane, even the larger RV-7 and RV-8 tanks, but many builders use more (two definitely needed for the RV-10/14). No instructions with product, or on can and little information on internet. Technically there is not a minimum temp. BONUS! Proper application ensures the sealant will perform as advertised. ! Application is a little tricky as it sticks to everything as soon as you touch it. Cure time doubled in cold hangar, as expected. Would recommend, had to throw it in the trash because the container malfunctioned. Per the vendor, if it is used shortly after purchase, part number 09-03477 should not need anything to thin out the product. It as service temperature range from 65F (-54C) to 250F (121C), with intermittent excursions up to 275F (135C). )While he was at Willmar, Beck developed a clever process that sprays a stripper called PolyGone into the tank cells. It is a pour in and slosh around material. You can read all about them in our Introductory Guide to PMA Sealants. Brushables: Adhesive compounds that are applied using a brush, similar to a paintbrush. but I still had plenty of time to get what I needed out of the cartridge for my job on my new fuel tankit works no leaks on the NTP threads !! "Brown" Aircraft Fuel Tank Sealant typically used in fillet and fay sealing aircraft fuel tanks. Getting into the good stuff in our RV-10 build: pro-seal - that sticky, smelly stuff that keeps the fuel tanks from leaking all over the place. Be careful when applying new sealant to not mess up the fuel intake openings, fuel sending units, drain holes and the through-holes in the ribs connecting the bays . One of the unfortunate side effects of slow aircraft sales has been an erosion in the maintenance base. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. This material is designed for fillet sealing of fuel tanks and other aircraft fuselage sealing applications. Each application can vary. LPS 00216 #2 HEAVY DUTY LUBRICANT 11OZ AEROSOL, BRACKETT ELEMENT BA6108 FOR BA2010, BA5110, BA5110A BA6110, PRO SEAL FUEL TANK SEALANT PS 890 B2 PINT, BRACKETT AERO BA-4108 ELEMENT FOR BA-4106, Vena Ht (SCAT Equivalent) Flexible Aircraft Ducting - Cut To Length, Safety Wire - Stainless Steel - 1 Lb Spool, Pro-Seal Fuel Tank Sealant P/S 890 B - 1/2 Hour, Vena HTD (SCEET Equivalent) Flexible Aircraft Ducting - Cut To Length, CHEMSEAL CS 3204 B1/2 6OZ/3.5OZ FILL SEALANT. Must be willing to work in confined spaces. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Over 31 years of experience in custom packaging and distribution of aerospace sealants and adhesives for the commercial, corporate, and military sectors. 1.2K views 888 views 979 views 7.3K views 549 views 22K. Fax: 800-329-3020, West - Corona, CA PR-1770 Class A Fuel Tank Sealant Two-part, high temperature resistant, brushing sealant PR-1770 Class B High Strength Fuel Tank Sealant PR-1770 Class B is a high strength, aircraft integral fuel tank sealant. What I got was a kit in a applicator that had to be mixed and used within 2 hour or wasted. PRO SEAL FUEL TANK SEALANT PS 890 B2 PINT, LPS 00216 #2 HEAVY DUTY LUBRICANT 11OZ AEROSOL, ROTAX MP1485 ALC RES FUEL LINE 1/4X3/8 BING, LPS 00316 #3 PREMIER RUST INHIBITOR 11OZ AEROSOL, Safety Wire - Stainless Steel - 1 Lb Spool, Vena Ht (SCAT Equivalent) Flexible Aircraft Ducting - Cut To Length, Curtis Pipe Thread Drain Valve - CCA-1550, Pro-Seal Fuel Tank Sealant P/S 890 B - 1/2 Hour, Vena HTD (SCEET Equivalent) Flexible Aircraft Ducting - Cut To Length. To meet the FAA standards, PMA sealants must meet or exceed the original equipment manufacturer's quality. It's best to follow the instructions that come with each individual product. This requires eight bags, total, and lists for $8000. CS3204B2 cures in 72 hours given the following: Specified application and cure schedules are based on the standard conditions of 770F and 50% relative humidity. Find many great new & used options and get the best deals for 1608056-1 Cessna A188B Spray Valve Assembly with Seal Check Valve at the best online prices at eBay! Industrial tank liners. It does not specifically list diesel but it will work with most fuels, oil, lubricants, and water. In order to provide complete functionality, this web site needs your explicit consent to store browser cookies. Q: Will the 12-04600 air gun (for both 6 OZ. The shelf life is 9 months from date of packaging. Addition Mixing: I clamped a slow speed drill (pointing up)in my vise and chucked a hole saw (backwards) that had holes that (nearly) matched the plunger handle of the tube. Lots of StripperBecks process uses hardware sort of like a purpose-built lawn sprinkler to douse the inside of the tank with Polygone. Aircraft Fuel Tank installations are subject to a variety of requirements. Q: Is this Pro-Seal product compatible with methanol? Toll Free: 877-477-7823 Hope this helps Mike. Tip: PMA parts and adhesives must conform to the same regulatory standards as the original parts. Able to do a bike tank with the other 4oz. PPG does not provide the nozzle. I would definitely purchase more than necessary to be able to slosh it around and have another person to assist you. One is to find a shop that can spot repair otherwise sound tanks and back up the work, another is to strip the tanks back to bare metal and reseal them and a third is simply line the wet wing bays with neoprene bladders. FSC : 1560 Airframe Structural Components. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. One is Flame Master Chem Seal CS3204 from National Sealants & Lubricants and is excellent even after one year of storage it cures in one day at 28C cures to a hard flexible rubber shining surface. very quick shipping time. Posted June 18, 2013 Don't forget rope so you can hang yourself about halfway through the job. Depending on who you talk to (and how much theyve recently spent on tank work), wet wings are either the worst idea in aviation design or not nearly as bad as everyone thinks. Hes also able to travel to the customerworld wideto repair spot leaks, but full resealing has to be done in his Minnesota shop. Is this Pro-Seal Type Tank Sealant CS3204 similar to epoxy to mix and use? Thread Sealants: Used to fill the space between threaded parts, increasing the burst strength of the valve or threaded pipe. What Is Fuel Tank Sealant for Aircraft? Aviation Fuel Tank Sealant: A Guide to the Basics. Looking for those with a background in fuel tank fastener sealant removal and application to work on B737. seems to be a good product. This material is designed for fillet sealing fuel tanks and other aircraft fuselage sealing applications. : $50.00 - $100.00 Per Hour. PR-1435 is a quick repair, aircraft integral fuel tank sealant. P/S 890 Class B is an aircraft integral fuel tank sealant. OEM and PMA fuel tank sealants provide strong reinforcement, structural integrity, and peace of mind. I used this product 10 years ago in a heavily rusted MGB tank with pin holes. Please enter as much detail as . P/S 890 Class B Fuel Tank Sealant P/S 890 Class B is an aircraft integral fuel tank sealant. Aircraft, or airplane sealants, are a unique class of adhesives designed to reinforce and seal aircraft parts to improve structural integrity. But there are still choices when tank weepage gets out of control. It was super easy to contact aircraftspruce and they quickly responded as I was looking for more specific answers. This is only needed if for some reason they missed a spot during the initial application. According to several people who knew the pilot, he was a former test pilot on the North American P-51 airplane. I have been using this product on the last 2 experimental aircraft build, love this stuff, great bonding strength. Per our product support manager: The user would have to pump and twist the ram manually by hand. These aircraft sealant purposes include preventing: Parts Manufacturer Approval (PMA) sealants are cost-effective equivalent alternatives to similar parts. Fax: 800-329-3020, West - Corona, CA PMA sealants perform the same function as their OEM equivalents and conform to the part's standards. Q: How long after application of b-2 can I leak check? Q: What is the working time of the product? Essentially, aircraft fuel sealants keep combustible and volatile fuels and oils within a closed system while preventing foreign materials from contaminating fuel. The self-sealing fuel tanks developed prior to World War II were a landmark in aviation survivability. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Necessary cookies are absolutely essential for the website to function properly. Easy to mix and use. cure time is much longer in cool temperature. Aircraft Sealants & Aviation Sealants Guide. Without airplane sealants, the aviation industry would look quite different. This is the perfect size for a tank leak repair. It is an FAA-approved PMA replacement for PPG's PR-1422A1/2 sealant. This material is designed for fillet sealing of fuel tanks and other aircraft fuselage sealing applications. They used to have a price advantage over strip and reseal, but now theyre about the same price. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Aircraft Seat - 421 Cessna. It has outstanding resistance to aviation fuels over a temperature range of -65F to +275F. We offer nozzle part number 02-00099 that can be used with the PPG SEM kits. Q: Will Acetone or any other solvent dissolve any excess cured sealant? Both products are two-part sealants specifically designed for the construction of wet-wing fuel tanks in aircraft. The landing gear is attached to the spar in the area of the tanks and the rubber donuts Mooney gear legs have dont offer much damping. Aircraft sealant characteristics include: NSL Aerospace has provided the aviation industry with a wide selection of OEM and PMA sealants for 32 years. Avoid using "gumout" or similar products which have been known to use (mek). Aircraft sealants hold the aviation industry together. The cookie is used to store the user consent for the cookies in the category "Performance". Will buy it again when needed. This cookie is set by GDPR Cookie Consent plugin. Their simple and reliable technology has endured for more than 60 years, even while the aircraft that use them have changed radically. The leaking of fuel was an intentional design feature because the high heat generated by the aircraft made it impossible to fully seal the fuselage tanks against leaks. Magnolia, TX 77355. excellent product. PR-2001LW Class B Light Weight Rapid Curing Fuel Tank SealantPR-2201LW Class B is a 1.1 specific gravity light weight rapid curing fuel tank sealant. Good product only thing is the kit doesnt come with a nozzle and also it says 6oz and its only 3.2 oz. To know more about this innovation, kindly watch the Pitch Video of Pili Seal. You must not have mixed it properly I used it twice and it cured within 4 hrs to where I was forced to open a new tube cause it cured enough that when I need more it was set up in the tube after 4 hrs in hot weather. For more information go to www.P65Warnings.ca.gov. It offers a faster cure time so you can get your job done more quickly. Item qualifies for flat rate ground shipping. Q: I'm looking at sealing a very slight seepage at the sump drain flange on my RV-4- Aluminum tank with aluminum sump valve flange- and I use motor gas w/ethanol in my plane. Follow product and curing temperature guidelines. The reseal job requires taking the tank interior down to shiny bare metal then applying fresh sealer, which is itself a three-part process with a day of curing for each step. Variations in temperature and humidity can affect cure time. We are also the UK and European distributor for Aircraft Spruce and Speciality, with whom we have been doing business with for over 25 years. Once all of the walls of the tank have been hit, they customer should drain the remaining sealer out back in to the can. PR-1422 Class B is an aircraft integral fuel tank sealant. I usually recommend that a strip and reseal is best.
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