Structure type: benzoxazole derivative
Molecular formula: C30H20N2O2
C.I.NO:393
CAS No:5242-49-9
Molecular weight: 442
Technical indicators:
Appearance: yellow green powder
Volatile matter: ≤ 0.5
Content: ≥ 98.%
Ash content: ≤ 0.5%
Fineness: ≥ 120 meshes
Melting point: 275-280 ° C
Performance and use: This product has good compatibility with plastics, high temperature resistance and sun and weather resistance.
It is suitable for whitening polyester, polyamide, polyacrylonitrile and other fibers as well as silk and wool fabrics. Widely used in film, injection molding and extrusion molding materials, very suitable for polymer whitening.
Recommended dosage: add 2-30g of whitening agent for every 100kg of material. The amount of transparent plastic added is 0.5-2g; The amount of polyester fiber added is 10-20g.
Packaging and storage: Packed in cardboard barrels lined with plastic bags, with a net weight of 25kg/barrel, or packed according to customer needs, and stored in a cool, dry place away from light.