Optical Brightener OB-1 CAS NO.1533-45-5

1. Suitable for whitening chemical fibers, such as the polyester fiber, 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.

Fluorescence Brightener OB-1

C.I. 393  CAS：1533-45-5 

Technical Spec: 

Appearance: Bright yellow crystals powder

Purity: 98.5%Min

Solubility: Insoluble in water, but soluble in high boiling point organic solvent such as phenyl-chloride

Range of Application: 

1. Suitable for whitening chemical fibers, such as the polyester fiber, 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.

Packaging: Packaged in cardboard drums, 20kg or 25kg each. Stored in dry place, avoid light.