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

WS-8070 Class B

WS-8070: Corrosion Inhibitive Sealant

WS-8070 from Royal Adhesives & Sealants is a corrosion inhibitive sealant intended for filleting and faying surface sealing of aircraft structure to prevent the effects of corrosion from occurring through water intrusion and dissimilar metal interaction. Learn more below or get a quote today.

Meets Requirements: Mil-PRF-81733 and STM40-111

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):5 – 66 – 7
Cure Time (hrs):2448

Shelf Life: 9 monthsConsistency: PasteColor: 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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Product Resources

Technical Data Sheets (TDS)

Safety Data Sheets (SDS)

NSL Product Guides

Technical Data: WS8070 B1/2

Technical Data: WS8070 B2