High Temperature Resistance Optical Brightening Agent Ob-1 Green Yellow

• CAS No.: 1533-45-5
• EINECS: 216-245-3
• Color: Green
• Kind: Fluorescernt Brighening Agent
• Appearance: Powder
• Purity: 99%
• Model NO.: OB-1
• Color Tone: Bluish / Reddish
• Melting Point: 360 Degree
• Feature: High Temperature Resistance
• Transport Package: 25kg/Drum
• Specification: 400um
• Origin: China
• HS Code: 32042000

Product Description

High Temperature Resistance Optical Brightening Agent OB-1 Green Yellow
 

Product Name	Optical brightener OB-1(C.I. 393)
CAS No.	1533-45-5
EINECS No.	216-245-3
Other Name	4,4'-Bis(2-benzoxazolyl)stilbene
MF	C28H18N2O2
Appearance	Bright yellow / green crystalline powder
Purity	≥99%
Melting point	360~380 °C
Volatile:	<0.5%
Package	20kg per carton, 25/30kg per fiber drum with PE liner, or as per the customers' requirements.
Application	Mostly used in the brightening the products of synthetic fiber and plastics, it is widely used in plastic film, material of lamination moulding and injection moulding as well  as preferable brightening efficiency on polyolefin, PVC, PVC foaming, TPR, EVA and PU  foaming together with coating, natural lacquer, etc. It also has specially good effect on foaming plastics, especially EVA, PE foaming.
Dosage:	Optical brightener OB-1 is commonly used in the amount of 0.02-0.05%, that is, each 100kg of the materials, the optical brightener OB-1 takes 20g-50g or can be adjusted according to the requirements of the product or test
Properties	•     Colors appear more brilliant •     Environmentally friendly •     Excellent brightening ability •     Produce a bluish tinge, masking yellowness •     Whiter-than-white appearance.

 



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