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Non discolouring UV absorber for coatings and plastic materials

Hostavin® PR-25 P

Hostavin PR-25 P is an efficient UV-B absorber for coatings and plastic materials.
Benefits
  • Hostavin PR-25 P is an unique UV absorber with excellent absorbtion especially in the UVB-range
  • Hostavin PR-25 P 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 as many other UV-absorbers do
Safety
Hazards
Classification according CLP regulation (Regulation (EC) No. 1272/2008, as amended).
    Eye irritation, Cat. 2
    Chronic aquatic toxicity, Cat. 2
For further information please refer to the Material Safety Data Sheet.
Physical Properties
Appearance White powder
Melting Range 55-58 °C
Bulk Density 0.65 g/cm³
Solubility Data, at 20 °C (in g/l)
Water < 0.1
Acetone > 500
Toluene > 500
Xylene 500
Ethyl Acetate > 500
Application Coatings
Hostavin PR-25 P can be used in solventborne coatings and general industrial coatings where stabilization requirements remain moderate. Furthermore, it is particularly recommended for UV cured systems and clear coats where colour neutrality is essential.
Application Plastics
Hostavin PR-25 P is recommended for use in PVC, polyesters, PC, polyamides, styrene plastics, EVA copolymers, and cellulosics.
Packaging and Handling
Delivery form
Powder
The product is also available in other physical form.

Packaging
Fibre drums 50 L
open Top with PE bags (25 kg)
Pallet 225 kg (9 drums)

Storage
Minimum shelf life is 3 years from date of shipping when properly stored.
For best shelf life store this product in a dry area at normal ambient temperatures.

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Hostavin® PR-25 P

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