Dowsil 1200 OS Primer
Versatile, adhesion enhancing, clear primer dispersed in low molecular weight silicone fluid.


DOWSIL™ 1200 OS Primer

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.


SKU: 5.10E+11-1 Category: Componentss: , Manufacturer:

 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)


  • Metals
  • Ceramics
  • Glass
  • Wood
  • Masonry
  • Structural plastics

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