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

CS5500CI Class A & B

CS5500CI: Corrosion Inhibitive, High Temperature Fuel Tank Sealant

CS5500CI from Flamemaster is a corrosion inhibitive, high-temperature fuel tank sealant intended for use on integral fuel tanks and pressurized cabins or applications where corrosion inhibition is required and service temperatures of up to 360F are encountered.

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


Meets Requirements: DMS2013

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):<20<20
Cure Time (hrs):<72<72

Shelf Life: 9 monthsConsistency: Self-levelingColor: Dark gray

Cure Profile:B1/2B2
Application Life (hrs):1/22
Tack Free Time (hrs):<20<20
Cure Time (hrs):<72<72

Shelf Life: 9 monthsConsistency: PasteColor: Dark 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. 


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.

CS5500CI Corrosion Inhibitive High Temperature Fuel Tank & Fuselage Sealant

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