CIBA Optical brightener

CIBA Optical brightener OB is a high molecular weight optical brightener (fluorescent whitening agent) of the thiophenediyl benzoxazole class, suitable for the optical brightening of polymers at all stages of processing. 
CIBA optical brightener offers the widest product line and expertise in the industry, providing recommendations and technical support to help solve customer problems.

Detailed Product Description
Purity: 99.95%
Usage: Coating Auxiliary Agents, Leather Auxiliary Agents, Paper Chemicals, Plastic Auxiliary Agents, Rubber Auxiliary Agents, Textile Auxiliary Agents
Appearance: Light Green Powder
Place Of Original: Jinan,China
Fineness: 200mesh Ash: ≤0.5%
Optical Brightener Fluorescent Brightener OB For Plastic And Masterbatch

Product Description
Product Name   optical brightener ob for plastic and materbatch
Other Name     Fluorescent brightener
Appearance     bright light green powder
Purity          ≥99.95%
Melting point    185~198 °C
Volatile:         <0.5%
Package        20kg per carton, 25/30kg per fiber drum with PE liner, or as per the customers' requirements. 
Applications:    It is widely used in thermoplastic such as PVC, PE, PP, ABS, PS, and unsaturated resin; and paint, ink and oil soluble coatings.
Properties: The product is light green or green powder, non-toxic and tasteless, can dissolve in alkane, fat, mineral oil, paraffin and most organic solvents, the absorption spectra of the largest value for 375 mm (in ethanol).

Dosage:
PVC whitening: 0.01~0.05%;       to improve the light intensity: 0.0001~0.001%
Polystyrene :0001~0.001%;        ABS:0.01~0.05%;
Polyolefin matrix: 0.0005~0.001%  White matrix: 0.005~0.05%

CIBA optical brighteners are designed for use in a variety of applications.
Kindly contact us for extreem quality CIBA Optical brightener.