Hostavin® PR-25 powder by Clariant is a UV-B absorber for PVC, polyesters, PC, polyamides, styrene plastics, EVA copolymers, and cellulosics. It is colorless and even in high concentration in the resin does not lead to any discoloration.
- It does not form colored complexes with metal ions.
- Exhibits excellent absorption especially in the UVB-range.
- Hostavin® PR-25 powder has a minimum shelf life is 3 years.
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Hostavin® PR-25 powder properties
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