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Flamemaster has been consistently producing quality sealants for the aerospace industry since 1942.

CS3209 Class B

CS3209: Electrically Conductive

CS3209 from Flamemaster is an electrically conductive 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. Learn more below or get a quote today.

Meets requirements of specification:  (LM) Specification: STM 40-109 Rev C, (Cessna) Specification: CMNP094

Packaging: Available in 2.5oz, and 6oz cartridge. Pre-mixed/frozen cartridges. Also available in Pint, Quart, Gal and 5-Gal kits.

Technical Data:  *
  • Cure Profile: B1/2B-2
  • Application Life (hrs): 1/22
  • Tack Free Time (hrs): 1040
  • Cure Time (hrs): 3072
Shelf Life: 9 Months | Consistency: Self Leveling | Color: Gray

*Please consult the technical data sheet for specificities of environmental conditions that yielded the above data. Standard cure rates are based on industry curing standards.


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Technical Data Sheets (TDS)

Safety Data Sheet (SDS)

NSL Product Guides