Optical Brightener OB

Package specification:

(1 * 10kg) (1 * 25kg) cardboard barrel or carton

Quality guarantee period:

Two years

Main ingredients:

Benzoxazole type

Technical parameters:

1. Appearance: light green powder

2. Color light: Blue White (similar to the standard sample)

3 .Purity: ≥ 98%

4. Melting point: 198 ~ 203 ℃

5. Fineness: more than 100 mesh

Product Description:

OB is widely used for whitening of PVC, PE, PP, PS, ABS, PMMA, POM and other thermoplastics, as well as thermosetting plastics, polyester fibers, paints, inks and coatings.

Usage method:

Whitening of polyvinyl chloride: 0.01 ~ 0.05%

brightness improvement: 0.0001 ~ 0.001%

polystyrene: 0.0001 ~ 0.05%

Abs: 0.01 ~ 0.05% polyolefin colorless matrix: 0.0005 ~ 0.001%

white matrix: 0.005 ~ 0.05%

Save method:

Store in a cool and dry place away from light.

CAS NO.：

7128-64-5

Product features:

Light green powder, tasteless, soluble in alkanes, fats, mineral oils, paraffin and most organic solvents. The maximum spectral absorption value is 375 nm (in ethanol) and the maximum emission wavelength is 435 nm (in ethanol).

Reminder:

1. This product information is for reference only. If you have any technical or use problems, please contact our company.

2. The technical opinions provided orally and in writing by the company are in good faith, but the user is responsible for testing the products supplied by our company to verify whether they are suitable for the proposed process and use; Since the process conditions for the use of our products are beyond the control of our company, it should be entirely the responsibility of the user himself.