Description

1. Properties: Appearance : light yellow or milk white powder Structure : a compound of benzoxazole type Melting point : ******2°C Purity: *9.*0% min Solubility : hardly soluble in water, but soluble in paraffins, mineral oils and ordinary organic solvents. 2. Applications: OB can be used for whitening thermoplastic plastics, PVC, PS, PE, PP, ABS, Acetate fibre, paint, coating, printing ink, xxxxx It can be added at any stage in process for process for whitening the polymers and can give the finished products a bright bluish white glaze. This whitening agent is similar to Uvitex OB in foreign country. 3. Directions for use and dosage: The dosage should be 0.***0.*5% on weight of plastic. Put whitening Agent OB into plastic pellets, mix the mixture thoroughly and then carry out shaping. Fluorescent brightener Agent OB is similar to Uvitex OB made in foreign country. 4. Packaging and storing: Cardboard drum,*5kg or *0kg each. Stored in dry and ventilated place 5. Other information: Product Name : 2.*-bis(*-tert.buty***-benzoxazolyl)thiophene CAS NO.: ********5 Molecular Formula : C*6H*6SO2N2 Molecular Weight : **0