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

CS3330 Class A & B

CS3330: Access Door Sealant

CS3330 from Flamemaster is an access door sealant for integral fuel tanks and pressurized cabins, as a strippable fillet, and as a gasket for removable parts. Designed to seal access areas where easy separation of joint surfaces is required, it is resistant to aircraft fuels, lubricants, oils, water and weather and remains flexible at low temperatures.

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

Meets Requirements: MIL-S-8784B, DMS2410 and AMS-3284

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:A1/2A2
Application Life (hrs):1/22
Tack Free Time (hrs):--
Cure Time (hrs):1024

Shelf Life: 12 monthsConsistency: Self-levelingColor: Red

Cure Profile:B1/2B2
Application Life (hrs):1/22
Tack Free Time (hrs):--
Cure Time (hrs):1024

Shelf Life: 12 monthsConsistency: PasteColor: Red

*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.

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CS3330 Access Door Sealant

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Product Resources

Technical Data Sheets (TDS)

Safety Data Sheets (SDS)

NSL Product Guides