Fluorescent Brightener OB-1, China Fluorescent Brightener OB-1 Supplier,Factory

Fluorescent Brightener OB-1

Hangzhou Xcolor Imp/Exp Co., Ltd. [China]

Main Components	2,2'-(Vinylenedi-p-phenylene)-bisbenzoxazole
CAS NO.	1533-45-5
Molecular Formula	C₂₈H₁₈N₂O₂
Property	Yellowish green crystal powder. Insoluble in water. Good thermal endurance, particularly suitable for high melting point resin such as polyester, has excellent whitening effects and its dosage is small.
Specification	Melting point 353 -359 Max. wavelength of absorption spectrum 374nm Max. wavelength of fluorescence emission spectrum 434nm
Main application	Widely applied in ABS, PS, HIPS, PA, PC, PP, EVA and hard PVC etc., with high temperature resistant at 375, specially suitable for high-temperature process for engineering plastic and fibre products. When it is applied in PE or soft PVC, please particularly pay attention to limit dosage.
Recommended Dosage	0.0025-0.025%, ≤0.03%
Package	Packed in 10kgs carton lined with plastic bag.
Storage	Recommended store in dry and ventilative place, guard against damp; keep far from fire and heat. Strictly prohibit to meet or put together with acid base. Warranty period: 2 years