Zinc Borate
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It is used as a flame retardant and smoke suppressant in plastics and cellulose fibers, paper, rubbers and textiles. It is also used in paints, adhesives and pigments |
Description | ||
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TCC’s zinc borate is primarily used as a flame retardant in plastics and cellulose fibers, paper, rubbers and textiles. It is also used in paints, adhesives, and pigments. As a flame retardant, it can replace antimony trioxide as a synergist in both halogen-based and halogen-free systems. It is an anti-dripping and char-promoting agent, and suppresses the afterglow. In electrical insulator plastics it suppresses arcing and tracking. In halogen-containing systems zinc borate is used together with antimony trioxide and alumina trihydrate. It catalyzes formation of char and creates a protective layer of glass. Zinc catalyzes the release of halogens by forming zinc halides and zinc oxyhalides. In halogen-free systems, zinc borate can be used together with alumina trihydrate, magnesium hydroxide, red phosphorus, or ammonium polyphosphate. When burning the plastics, a porous borate ceramic is formed that protects the underlying layers. In presence of silica, borosilicate glass can be formed at plastic burning temperatures. |
Product Properties
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Documents
Product Champions
General Info
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Published | ||
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Sep 01, 2022 |
Last Edited | ||
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Sep 01, 2022 |
Categories | ||
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Chemicals |
