Optical brightener ob-1 393 have high whitening intensity with strong fluorescence,often used in white masterbatch.Its addition amount is very small,one to five ten thousandths,Will hardly increase customer costs,But it can increase the whiteness and brightness of the product.Solve the problem of product yellowing.In addition, it can also improve the weather resistance of the product, making the product more heat-resistant and light-fast.Fundamentally save customers production costs.
Product Name:Optical Brightener OB-1/Fluorescent Brightener OB-1
Chemical Name:2.2’-(4.4’-diphenol vinyl) dibenzoxazol
CAS No.:1533-45-5
C.I. No.:393
Molecular Formula:C28H18N2O2
Molecular Weight:414
Technical Index:Appearance:yellowish green powder
Melting Point:357~359°C
Purity:≥98.5%
Recommend Dosage:200-500g per 1000kg material
Package:10KG/25kg per fiber drum with 450kg or 500 kg or 675kg/palle
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