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

CS3247 Class B

CS3247: Aircraft Windshield Sealant

CS3247 from Flamemaster is an aircraft windshield sealant intended for use when setting or repairing windshields and transparencies of glass, acrylic, or polycarbonate in composite or metal frames.

At room temperature, this two-part polysulfide cures to a flexible, resilient rubber. View all specifications below or get a quote today.

Meets Requirements: AMS-3333

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

Technical Data

Cure Profile:B1/2B2
Application Life (hrs):1/22
Tack Free Time (hrs):824
Cure Time (hrs):3048

Shelf Life: 9 monthsConsistency: PasteColor: Black

*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. 


Why don’t we have pricing on our product page? Because pricing is not a one-size-fits-all proposition. There are multiple variables determining product price, such as:

  • Part name, type, class, or manufacturer
  • Size
  • Quantity
  • Specification
  • Shelf life requirement
  • Purchaser type: Distributor or end-user?

Every quote is custom, created just for you and your specific needs. Please fill out the form on our CONTACT US page and we’ll be in touch ASAP.

CS3247 Windshield Sealant

Bulk In Stock

Product Resources

Technical Data Sheets (TDS)

Safety Data Sheets (SDS)

NSL Product Guides