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and Powerplant Mechanic Airmen Knowledge tests
Two-Part Silicone: Room temperature cure with no need for external heat
resilient silicone rubber on exposure to atmospheric moisture at room temperature
providing a constant level of visibility
PRC Desoto - PR-187 Adhesion Promoter, Pint | PR187PT PA-1779TP and Powerplant Mechanic Airmen KnowledgePRC Desoto PR 187 Adhesion Promoter, Pint PR187PT PR 187 is an adhesion promoter to enhance the coupling characteristics of polythioether compounds to a wide variety of substrates. This adhesion promoter is recommended when a PR 1800 polythioether sealant is to be applied over a polysulfide material. PR 187 is a one part compound suitable for application by brush or clean gauze. The material dries at room temperature in approximately 30 minutes.
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