Royal’s expertise in rubber-based adhesive technology dates back to the late 19th century.

WS-8020 Class B

WS-8020: High Temperature Fuel Tank Sealant

WS-8020 from Royal Sealants & Adhesives is a high-temperature fuel resistant sealant intended for use on integral fuel tanks with excellent resistance to other fluids such as water, alcohols, synthetic oils and petroleum-based hydraulic fluids. Learn more below or get a quote today.

Meets Requirements: AMS-S-8802 and CMNP021

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:B1/2B2B4
Application Life (hrs):1/224
Tack Free Time (hrs):<10<24<36
Cure Time (hrs):<24<48<90

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.

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WS8020 High Temperature Fuel Tank & Fuselage Sealant

Bulk In Stock

Product Resources

Technical Data Sheets (TDS)

Safety Data Sheets (SDS)

NSL Product Guides

Tech Data: WS8020 B1/2

Tech Data: WS8020 B2

Tech Data: WS8020 B4