uv stabilizer, benzotriazole uv absorber

 Specifications

1.for a variety of plastics
2.low volatility
3.use for the UV protection
4.highly effective light stabilizer

pvc compound absorber, uv stabilizer, benzotriazole UV Absorber TANCALS 327

Product name       UV Absorber

Model                    TANCALS 327

Components      2,4-di-tert-butyl-6-(5-chlorobenzotriazol-2-yl) phenol

 Properties

Appearance                                         Slightly yellow power

Melting Point(°C)                              154-157

Flash point(°C)                                  234

Specific Gravity(20°C)                     1.26 gg/cm3

Vapor Pressure(20°C)                   1.1E-6Pa

Volatiles(%)                                        ≤0.5

Solubility                                             Clear Transmittance (10g/100ml Toluene)

Assay(%)                                             ≥99

Transmittance(460NM)( %)             ≥92

Transmittance(500NM)( %)             ≥95

Application

Tinuvin 327 is a highly effective light stabilizer for a variety of plastics and other organic substrates. Due to its red-shifted UV absorption , it is particularly suited for use in the stabilization for polymers  that are especially sensitive to long-wavelength UV radiation (eg. polyurethanes, polyphenylene sulfide) and in certain applications where very low transmission of long-wavelength UV radiation is required (ef. optical lenses). Its use is recommended in a variety of polyesters and organic substrates, including acrylic polymers, polycarbonate, polyesters, styrene homo- and copolymers, unsaturated polyesters, polyvinyl chloride, polyolefins, polyvinyl butyral, elastomers, and adhesives.                                                                                      

 It is an highly efficient UV absorbent to be used in polystyrene, polyester, polycarbonate, PVC, polyethyene, ABS resin, epoxy resin and cellulose resin. It almost absorb no visible light, being especially fit for colorless transparent and pale colored products.

Packing

paper plastic bag, 20KG/pc, 25 pcs/pallet

Storage

It is recommended to store TANCALS 327 at room temperature and to protect against heat and frost.