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Home > Sealants and Caulks > Silicones > PSI-631
PSI-631 One-part Non-corrosive Silicone Sealant
PSI-631 is a neutral-cure RTV sealant that is non-corrosive to all common building components. It is ideal for application in enclosed areas where the "vinegar" odor of other silicones may be objectionable.
PSI-631 adheres to concrete, ceramics, glass, tile, common metals such as aluminum and steel, and plastics such as PVC, polycarbonate and polymethacrylates. PSI-631 is not intended for structural applications.
| Benefits: |
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Highly flexible over a wide range of temperatures. |
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Excellent weatherability, durability and recovery after movement. |
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Capable of compensating for joint movement of ±25% original joint width. |
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Little odor when curing. |
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Meets or exceeds Federal Specs TT-S-001543A and TT-S-00230C, ASTM C920-95, CAN/CGSB 19.13-M87. (see data sheet for details). |
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| Typical applications: |
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Interior and exterior door and window perimeters, vents and ducts. |
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Onsite or in-shop butt glazing. |
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Conventional glazing of glass, plastic, metal panels and silicone insulating glass units. |
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Weather-seal glass, aluminum, painted metal, steel, brick, concrete, other masonry substrates and many plastics. |
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Expansion and control joints in pre-cast concrete panels and metal curtain walls. |
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