Ob-1 Optical Brightening Agent Bisbenzoxazole

• CAS No.: 1533-45-5
• Formula: C28h18n2o2
• Color: Yellow
• Kind: Pigment
• Appearance: Powder
• Transport Package: Bag
• Model NO.: Ob-1
• Specification: 25kg Drum or bag
• Trademark: CHEMDO
• Origin: China
• HS Code: 3204200000
• Production Capacity: 50000ton/Year

Product Description

Principal Ingredients

4,4-bis(2-tert-benzoxazolyl)stilbene
 

Application

1.High brightening intensity and strong fluorescence.

2.Widely used in brightening polyester, nylon fiber and all kinds of plastics.

3.Good resistance to high temperature.
 

Packaging

25KG / drum or bag
 

Performance & Features

1. Suitable for the brightening of chemical fibers of polyester, nylon and polyprolylene.

2. Suitable for the whitening and brightening of polypropylene plastic, hard PVC,ABS, EVA, polystyrene,

polycarbonate,etc.

3. Applicable to be added in the general polymerizations of polyester and nylon.

Recommended quantity: dosage of OB-1 in every 100kg raw material:

4. 75~200g in EVA, polyprolylene, nylon, polycarbonate, and so on.

5. 75~300g in terylene fiber

 

No.	ITEMS DESCRIB	INDEX
01	Appearance	yellow powder
02	Melting Point	≥359ºC
03	Melting Point	≥98%