Principal Ingredients: bis (2-benzoxazolyl) stilbene

 

Physical & Chemical Properties   

Appearance               yellow green powder

Melting Point             ≥359℃

Purity                   ≥98%

Fineness                ＞300mesh

 

Performance & Features

1.       Of high brightening intensity and strong fluorescence.

2.       Of wide usage in brightening polyester, nylon fiber and all kinds of plastics.

3.       Carries good resistance to high temperature.

 

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

2.                       Goes 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: brightening agents of OB-1 in every 1000kg raw material:

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

2.Of 75～300g in terylene fiber.