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

CS5306 Class B

CS5306: Polythioether Fast Cure Sealant

CS5306 from Flamemaster is a polythioether fast cure sealant intended for use when sealing on aircraft to yield weather tightness and fuel resistant seals.

At room temperature, this two-part polysulfide cures to a flexible, resilient rubber. Learn more or request a quote today.

Meets requirements of specification:  AMS-3277 Type I formerly MIL-S-29574 Type I

Packaging: Available in 2½ - and 6-oz. cartridge kits.  Also available in premixed and frozen cartridges. Other-size packaging available upon request.

Technical Data: Class B*
  • Cure Profile:  B-¼B-½
  • Application Life (hrs): ¼½
  • Tack Free Time (hrs): ½1
  • Cure Time (hrs): 12
Shelf Life: 9 months | Consistency: Paste | 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. 

Technical Data Sheets (TDS)

Safety Data Sheet (SDS)

NSL Product Guides