As of April 4, 2020, we have fresh material and are shipping domestically and internationally.


CS3205 Class B

CS3205: Integral Fuel Tank Sealant

CS 3205 Class B from Flamemaster is a two-part, dichromate cured polysulfide base compound 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. Learn more below or get a quote today.


Meets requirements of specification:  AMS-S-8802, Ty I

Packaging: Available in 2 ½ and 6 oz cartridges, pint, quart, and gallon kits. Custom packaging available upon request.

Technical Data: Class B*
  • Cure Profile: B-½B-2
  • Application Life (hrs): ½2
  • Tack Free Time (hrs): <8<20
  • Cure Time (hrs): <24<48
Shelf Life: 9 Months | Consistency: Paste | Color: Dark Gray

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Technical Data Sheets (TDS)

Safety Data Sheet (SDS)

NSL Product Guides

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