Aircraft Spruce Canada
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Pr-1422 Class B Fuel Tank Sealant
6 oz
PintOverview
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PR-1422 Class B is an aircraft integral fuel tank sealant. It has a service range from -65F (-54°C) to 250°F (121°C), with intermittent excursions up to 275°F (135°C). This material is designed for fillet sealing 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.
PR-1422 Class B is a two-part, dichromate cured poly-sulfide 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 resilient sealant having excellent adhesion to common aircraft substrates. |
Specifications
- AMS-S-8802 - Type 1 Class B-2
Documents
Reviews
Used to seal a manufacturing defect in one of my fuel tanks. Superior product in my opinion
Verified Purchase
Proseal Pr-1422B2 Pint
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Pr-1422B2 6 Oz 654 Sem Kit
Working
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Proseal PR1422B1/2 Pint
Product as ordered and in stock the last two purchases Ive made.
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Pr-1422B2 6 Oz 654 Sem Kit
Product worked as advertised. Very easy to prepare. For best preparation instructions see the PPG Aerospace YouTube video.
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Pr-1422B2 6 Oz 654 Sem Kit
Its a fair market price for the sealant and as far as versatile sealants it s impervious to fuel, even auto fuel, oil and water. Ive used a lot over the past 15 years.
Its a fair market price for the sealant and as far as versatile sealants it s impervious to fuel, even auto fuel, oil and water. Ive used a lot over the past 15 years.
Product did not come with a nozzle nor did the description warn that there was no nozzle included.
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Pr-1422B2 6 Oz 654 Sem Kit
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.
The kit comes with a push rod for the plunger end to help push out the material. You may want to purchase a nozzle, p/n 02-00099, to help apply in tight corners, or apply narrow beads of material.
Intermittent excursions are moments when this material is introduced to high heat not exceeding 275 degrees F.
