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UV absorber for coatings and plastic materials

Hostavin® ARO 8 flakes

Hostavin ARO 8 flakes is a hydroxy-benzophenone UV absorber for the application in coatings and plastics materials.

Benefits
 
  • Cost effective UV absorber for many plastics and solvent-borne coatings.
Safety

Hazards
Classification according CLP regulation (Regulation (EC) No. 1272/2008, as amended). 
    Skin sensitization, Cat. 1
    Long-term (chronic) aquatic hazard, Cat. 3
For further information please refer to the Material Safety Data Sheet.

Chemical Composition

Chemical nature:        Octabenzone

Classification:             UV absorber

Specifications

Delivery Specifications and (*) General Properties 

Characteristics   Unit   Target value   Test method 
Appearance   pale yellow flakes solidQM-AA-634
Melting point[°C] 47.0 - 49.0QM-AA-146
Volatility[%]   max. 0.5QM-AA-341
Application Coatings

Hostavin ARO 8 flakes is recommended for low to moderate stabilization requirements. It can be used in most of the solventborne coatings, and is particularly recommended for wood coatings.
To ensure optimal stabilization, clear coats require not only UV absorber but also HALS. Depending on the binder, a traditional HALS, e.g. Hostavin 3055 or Hostavin 3065, or a non-basic HALS, e.g. Hostavin 3058, should be used in combination with Hostavin ARO 8 flakes.

Application Plastics

Hostavin ARO 8 flakes protects polymers against damage from UV by physical transformation of the UV radiation into heat. It is recommended especially for LDPE, HDPE, PP, PVC, PS, PS HI, ABS/SAN, PET, PBT, PC, POM and TPU.

Packaging and Handling

Delivery form
Flakes

Packaging
Cardboard box 25 kg
Pallet 500 kg (20 cardboard boxes)

Storage
Store in a dry place at temperatures below 30°C.
Minimum shelf life is three years from date of shipping when properly stored.

 

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