Product Description
UV-327 is a high efficient UV absorber, which can effectively absorb 270-400 nm UV light. It almost does not absorb visible light, particularly applicable to colorless and light-colored products.
Specification
Appearance light yellow powder or granular
Purity 99.0% min
Melting point 151.0ºC min
Volatiles 0.50% max
Residue on ignition 0.05% max
Transmittance 460nm 97.0% min
Transmittance 500nm 98.0% min
Application
UV-327 is recommended in a variety of polymers and organic substrates, including acrylic polymers, polycarbonate, polyesters, styrene homo- and copolymers, unsaturated polyesters, polyvinyl chloride, polyolefins, polyvinyl butyral, elastomers, and adhesives.
Recommended application and dosage
1. Unsaturated Polyester: 0.2-0.5wt% based on polymer weight
Plasticized PVC: 0.1-0.3wt% based on polymer weight
3. Polyurethane: 0.2-1.0wt% based on polymer weight
Packing and Storage
Packing : In 15kgs net kraft paper bag, 7.5mts onto 20 pallet in 20Fcl, or in 20kgs drum.
Storage : Keep tightly closed and store in cool and dry place.
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