It is mainly used in whitening of the PVC window and door profiles.

Optical Brightening Agent KB

Chemical name :    stilbene derivative

Appearance pale yellow powder

Colour shade light reddish

Particle size :    200 sieve mesh min.

Volatile materials: 0.5% max.  

Feature :

• Excellent whitening performance
• High fluorescence strength
• High heat stability

Application: mainly be used in whitening of PVC window and door profiles.

Recommended dosage: 0.01%~0.05% (based on 1000kgs resin)

Packaging and storage: 25kgs in paper drum. Keep in cool and dry place, away from light.

Attention: The above information is just for reference. Customers shall adjust the formulations according to actual requirements.