PowerSorb™ 329 by TinToll (PCC Group) is a 2-(2'-hydroxy-5'-tert-octylphenyl) benzotriazole-based UV absorber. It imparts good light stability and prevents yellowing and degradation of polymers. It helps to preserve original appearance and physical integrity of molded articles, films, sheets and fibers during outdoor weathering. It is soluble in n-butanol, dioctyl phthalate, methyl cellosolve, n-heptane, methylene chloride, methyl methacrylate and styrene. It can be used in combination with phenolic & phosphite antioxidants and HALS to optimize performance. PowerSorb™ 329 is compatible with polycarbonate, unsaturated polyesters and acrylics.
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PowerSorb™ 329 properties
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| Properties | Value & unit | Test condition | Test method |
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| Ash Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
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| Solubility | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Specific Gravity | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Volatile Loss | 0.0 Visible After Login | Visible After Login | Visible After Login |