High temperature resistance can be used to whiten plastics such as ABS, PS, HIPS, PA, PC, PP, EVA and rigid PVC, and add OB1 to nylon fiber, nylon and polyester.

===under info was translated buy computer===

Brand:	kathon
Model and specification:	OB-1
Effective substance / Ge:	98.5%
Quality guarantee period:	18 months
Main functions:	Whitening is used to whiten polyester stock solution, especially for polyester fiber, polyester cotton and other blended fabrics, and also for plastic products
Purpose:	Nylon fluorescent whitening agent
Size:	25kg mm
Executive standard:	HG/T3703-2002
Main ingredients:	2,2 - (4,4-stilbene) bisbenzoxazole
CAS：	1533-45-5
Dye index:	Fluorescent whitening agent 393
Molecular formula:	C28H18N2O2
Molecular weight:	414.4547
Appearance::	Bright yellow crystalline powder
Temperature:	357-360 C
Maximum UV absorption wavelength:	374nm----434nm

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