The Key to Faster and Stronger Silicone Sealing

The Key to Faster and Stronger Silicone Sealing

In the world of sealing solutions, DOWSIL™ 1200 OS Primer stands out as an air-drying primer that comes in a diluted form of moisture-reactive components in volatile siloxane. This versatile primer plays a crucial role in enhancing the quality and speed of adhesion development for room temperature vulcanizing silicone sealants. Its magic lies in its ability to optimize adhesion to a wide range of common non-porous substrates, making it an indispensable tool for any sealing project. Discover how DOWSIL™ 1200 OS Primer can elevate your sealing game.


  • 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
  • Enhances bonding/adhesion of RTV and heat-cure silicones to ceramics, glass, wood, masonry, structural plastics, and many metals


  • 4099614, 309 G Can, Colorless, Case of 6
  • 4099615, 2.9 KG Pail, Colorless, 1 Case

To order DOWSIL™ 1200 OS Primer, call 270-765-2212 or email orders@LentusLLC.com.

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