Aircraft Spruce Canada
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Proseal PS890B-1/2 2 Fl Oz In 2.5 Oz Cartridge
MFR Model# 0890B1/2AM655SK
Overview
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P/S Class B is an aircraft integral fuel tank sealant. It as service temperature range from 65°F (-54°C) to 250°F (121°C), with intermittent excursions up to 275°F (135°C). This material is designed for fillet sealing of fuel tanks and other aircraft fuselage sealing applications. The cured sealant maintains excellent elastomeric properties after prolonged exposure to both jet fuel and aviation gas.
P/S 890 Class B is a two-part, manganese dioxide cured polysulfide compound. The uncured material is a low sag, thixotropic paste suitable for application by extrusion gun or spatula. It cures at room temperature to form a resilient sealant having excellent adhesion to common aircraft substrates. The following tests are in accordance with AMS-S-8802 Class B specification test methods. |
Documents
Reviews
The product is amazing, stop my fuel tank leaks. For a first time user, directions are a little confusing for mixing and use.
Verified Purchase
Proseal PS890B-1/2 2 Fl Oz In 2.5 Oz Cartridge
No issues with purchasing, shipping or the product. The sealant was fresh and well within expiration date. Always a pleasure buying from /aircraft Spruce!
You did a great job keeping my backorders moving. Thx! BP
Works great, sealed the fuel leak
Very fast Delivery. The kit arrived without any instructions on how to manually mix and apply. I found instructions online (SEM kit). The kit is a uses the injection method and is easy to mix. Get the nozzle kit. Apply product with a caulk gun. It helps with precision of the application and is less messy. The 1/2 hour product sets quickly. Dont waste time from mixing to application. Give it a day to be certain that the product has cured So far, so good. no leaks recommend
The instructions for use as printed on the plastic packaging is very small and eligible to some degree--difficult to work with!!
Q&A
Please note, Aircraft Spruce Canada'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. Aircraft Spruce Canada 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. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.
Yes, this comes with both parts of the compound. Mixing is required, it will explain it on the instructions that come with the product. Yes, you would have to use the entire amount all at once. You can purchase it in longer working times referring to product P/N# 09-38510. This part will meet the same specs.
7 hours at 77 degrees per the tech data sheet.
Yes this will work with plastic.
It will not, you would use our part number 09-38520.
