Description
Versatile, adhesion enhancing, clear primer dispersed in low molecular weight silicone fluid.
An air drying primer supplied as a dilute solution of moisture reactive materials in volatile siloxane and is used to improve both the quality and speed of adhesion development to room temperature vulcanizing silicone sealants to a variety of common non-porous substrates.
Features & Benefits:
- Useful for both moisture curing RTV and heat curing silicones
- Diluted in low molecular weight silicone fluid
- Meets many international regulations for low VOC content (including European Union)
- Similar to DOWSIL™ P5200 Adhesion Promoter
- Useful on most metals, glass, ceramics, masonry, wood, fabric and some plastics (including FR-4)
Applications:
- Metals
- Ceramics
- Glass
- Wood
- Masonry
- Structural plastics
Specification : These values are not intended for use in preparing specifications.
Property Unit Result
Flash Point °F 81
°C 27
Volatile Organic Content (OS Fluid exempt) grams/liter 112
Volatile Organic Content (OS Fluid non-exempt) grams/liter 742
Shelf Life at 25°C months 18
Description
Dow primers, prime coats and adhesion promoters are dilute solutions of silane coupling
agents and other active ingredients. The surface reactive components typically must be
applied in a very thin layer for best bonding. The solvents used in these products serve to
deliver the active ingredients in a thin, uniform coating, enhance surface cleaning, and in
some cases, aid in the penetration of the active ingredients into the bonding surface.
Primers can be used to increase design flexibility, reduce total costs or increase
performance reliability of PCB system assemblies. They do this by enabling adhesion to
lower-cost substrates or lower temperature processes which reduce energy budgets, among
other possibilities.
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