GUARD DOG™ UVP Light Absorber

牌号GUARD DOG™ UVP Light Absorber
厂家M Chemical Company, Inc.
分类UV Protector / Light Stabilizer
介绍GUARD DOG™ UVP light stabilizer is a derivative of Benzotriazole that has exceptionally strong and broad-range UV absorption properties (UVA 315 - 400 nm and UVB 290 - 314 nm) throughout the UV spectrum. It is a highly efficient UV absorber and is recommended for thermoset plastics and coatings that function as ultraviolet screens for photosensitive substrates. It offers maximum polymer protection and low color contribution, retards yellowing and protects against the loss of physical properties.

Applications: Extremely effective in Styrenic polymers, PVC, polycarbonate, ABS, unsaturated polyesters, PU, acrylic polymers, natural rubber, synthetic rubber, paints, synthetic fiber, cellulose resin and adhesives.

Recommended dosage: 0.1 - 1.0% (PE 0.2 - 0.5 wt. %, PP 0.2 - 0.5 wt. %, Rigid PVC 0.5 wt. %, Plasticized PVC 0.5 - 2 wt. %). GUARD DOG™ UVP can be used alone or in a variety of blends and combinations other light stabilizers, UV absorbers and antioxidants for synergistic performance.
GUARD DOG™ UVP may react with heavy metal ions to form salts or complexes such as iron or cobalt ions. Reducing and oxidizing agents used in the reaction and curing processes have no effect on the product stability.

Performance Benefits: GUARD DOG™ UVP performs synergistically when used in combination with Hindered Amine Light Stabilizers (HALS)
  • Very high degree of photostability and resistant to oxidizing and reducing agents.
  • High heat resistance (5% wt. loss @ 190°C) without significant degradation or volatility at proper extrusion temperature. Does not discolor during light or heat aging
  • Excellent compatibility with polymers and is odorless. Does not impart smell to the polymer
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