Optical Brightening Agent CPA for Plastic

Physical & Chemical Properties
Appearance brilliant yellow powder
Color fluorescent white
Intensity >=100%( compared to standard substances)
Solvation non-water-solubility
Moisture <=0.5%

Performance & Features

1. Intense fluorescence and high brightness.
2. Good thermal stability, not decomposed even above 330degree centigrade
3. Of a small quantity, usually only 100-300ppm(0.01-0.03%).

Application Scope

Widely used in brightening the fusion filature of polyester staple fiber as well as plastics.

Usage Mode

1. Although the recommended quantity is 100-300ppm¡§0.01-0.03%¡¨, it can be added or reduced adequately according to the brightness of the raw material and the requirements of the consumers. The consumers themselves can add dulling agents or purple blue dyestuff (together with whitening agent) as well.
2. The key point is to make the fluorescent whitening agents mix with the raw material smoothly so that whitening asymmetry can be avoided.
3. Specific craftwork will be improved accordingly after your sample test.

Products
CPA,CPA-5,CPA-4,CPA-4DB

Packing & Storage

Packed in 5kg*2 paper boxes at cool and dry places to be protected from light.