UV Absorber UV-328
UV Absorber UV-328
Chemical name: 2-(2’-hydroxy-3’-5’-di-tert-amylphenyl)benzene Triazole
Molecular formula |
C22H29N3O
|
Molecular weight |
351.5
|
CAS number |
25973-55-1
|
Product introduction: This product has excellent photostability to plastics and other organic substances. Recommended for use in styrene polymers, copolymers, acrylic polymers, unsaturated polyesters, polyvinyl chloride, polyolefins, urethane formic acids, polyacetals, vinyl chloride butyrals, elastomeric polymers and adhesives .
Physical Properties:
Appearance: | Light yellow powder |
Content:
|
≥99%
|
melting point: | ≥80℃ | Gray: |
≤0.1%
|
Transmittance: | 460nm≥97% 500nm≥98% | volatiles: |
≤0.3%
|
Applications:UV-328 is a highly effective stabilizer for a range of plastics and other organic substrates. Including homopolymers and copolymers of styrene, acrylic polymers, unsaturated polyesters, PVC, polyolefins, polyurethanes, polyacetals, polyvinyl butyrals, elastomers and adhesives, etc. UV-328 has the characteristics of strong ultraviolet absorption, light initial color, good compatibility with various substrates, good solubility in plasticizers and relatively low volatility. It can maintain the original appearance of the substrate and Integrity of appearance. UV-328 can be used alone or in combination with other stabilizers, such as: HALS, antioxidants and other functional stabilizers and auxiliaries. UV-328 has a synergistic effect when used in combination with hindered amine light stabilizers. The dosage of UV-328 depends on the performance requirements of the substrate and the final application, and the dosage is 0.10-1.0%
Packing: Packing in cardboard drums lined with plastic bags, 20KG/drum, or according to customer requirements.
Storage: This product has good storage stability, and high temperature and humidity should be avoided during storage and transportation.
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