fluorescent brightener ob-1

Appearance: Bright yellow crystals powder Properties: Does not dissolve in water, can dissolve in such high boiling point solvents as trichlorobenzene, diphenyl ether, etc.; Uses: 1. Suitable for whitening chemical fibers, such as the polyester fibre, nylon fiber, polypropylene fiber and so on. 2. Suitable for whitening and brightening polypropylene plastic, hard PVC, ABS. EVA, polystyrene, polycarbonate, etc. 3. Suitable to be added into the conventional polymerization of polyester and nylon. 4. Especially suitable for whitening the plastics of elevated temperature compaction.Method of Application: Recommend consumption: Put OB-1 brightener into every 1000kg materiel. 1. The add-on amount of EVA, polypropylene, nylon and polycarbonate is 75 200g. 2. The add-on amount of terylene fiber is 75 300g. 3. The add-on amount of benzene is 25-50g.