As of April 4, 2020, we have fresh material and are shipping domestically and internationally.


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 of specification:  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: Class B*
  • Cure Profile: B-½B-2
  • Application Life (hrs): ½2
  • Tack Free Time (hrs): <10<24
  • Cure Time (hrs): <24<48
Shelf Life: 9 month | Consistency: Paste | Color: 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.

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Technical Data Sheets (TDS)

Safety Data Sheet (SDS)

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