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OEM Spec-Driven Aerospace Adhesives and Sealants

GracoRoberts supplies aerospace OEMs with adhesives and sealants selected and controlled by specification. On a production line, the qualification number matters as much as the chemistry. Materials must match the approved product on the program specification list, with documentation that proves it. This page brings together the spec-controlled adhesive and sealant categories that recur across OEM bonding and sealing workflows.

We manage approved sourcing, shelf-life and out-life, and lot traceability so engineering and quality teams can build to print with confidence.

Specification-Controlled Material Types

Fuel Tank and Integral Sealants

Polysulfide and polythioether sealants qualified for fuel tank and airframe sealing. Products include PPG PS870 B-2, PPG PS870 B-1/2, and PPG PR1440 integral fuel tank sealant.

Firewall and High-Temperature Sealants

Silicone firewall sealants specified for engine bay and firewall integrity under heat. Products include DAPCO 2100 Primerless Silicone Firewall Sealant.

Spec-Approved Structural and Potting Adhesives

Epoxy and polyurethane systems controlled to program specifications. Products include Loctite EA 9394 AERO, Uralane 5774 A/C, and Solithane S-113.

How OEMs Control Materials by Specification

Spec-driven procurement reduces risk by tying every material to a qualified approval. Key controls include:

  • Specification matching - verifying the product is the qualified item on the Boeing BMS, MIL, AMS, or platform spec list
  • Approved sourcing - sourcing only from qualified manufacturers and distributors
  • Shelf-life and out-life management - tracking refrigerated and frozen materials from receipt through application
  • Lot traceability - full COA and COC chain back to the manufacturing lot
  • Revision control - confirming the current spec revision and any superseding callouts

This workflow connects directly to surface preparation and bonding. See structural bonding systems for load-bearing adhesives and surface treatments and conversion coatings for the pretreatments that precede them.

Contact our team to confirm qualification status and documentation for your program.

Frequently Asked Questions

What does spec-driven sourcing mean for aerospace materials?

It means each adhesive or sealant is procured against a specific qualification, a Boeing BMS, MIL, SAE AMS, or platform specification, rather than by generic product name. The material supplied must be the qualified item on the approved products list, with documentation confirming it.

How do you manage shelf life and out-life on controlled materials?

We track shelf life from receipt and manage out-life on refrigerated and frozen materials, supplying remaining-life information and storage guidance so materials reach the line within their qualified window.

What documentation comes with spec-controlled adhesives and sealants?

COA and COC are available on request, with lot traceability back to the manufacturing batch and out-life documentation for cold-stored products. Contact us for program-specific requirements.

Can you confirm whether a product meets a specific revision of a spec?

Yes. We can confirm qualification status and current revision against the product data sheet and manufacturer approval list. Always verify the controlling revision called out on your drawing.