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Home > Sealants and Caulks > Polysulfides > PSI-350
PSI-350 and PSI-350 SL Multi-Component Hybrid Polysulfide Sealant
PSI-350 is a high-performance sealant specifically developed for dynamically moving joints. This three-part, chemical-curing joint sealant is available in a gun grade for vertical and sloping joints and in a self-leveling version for horizontal joint use.
PSI-350 has excellent adhesion to most common substrates, including glass, ceramic, aluminum and steel, PVC, concrete and wood. It is not intended for structural applications.
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| Benefits: |
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Excellent weatherability. |
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Performs well in underwater applications with primer. |
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Provides a flexible, durable seal. |
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Meets Federal Spec TT-S-00227E, ASTM C920-87, CAN/CGSB-19.24, SWRI 2B. (see data sheet for details). |
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| Typical applications: |
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Caulk joints in masonry and metal curtain walls. |
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Perimeter caulk sashes, panels, doors and control joints. |
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Traffic areas. |
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