Fluorescent Brightener Ob 184 for Paint Ink Plastic Masterbatch

• CAS No.: 7128-64-5, 4404-43-7
• EINECS: 230-426-4
• Color: Green
• Kind: Optical Brightener
• Appearance: Powder
• Purity: 98%
• Model NO.: OB
• Color Tone: Bluish
• Melting Point: 200 Degree
• Feature: Weather Resistance
• Property: Perfect for Outdoor Using
• Application: Paint, Plastic
• E Value: 1050
• Transport Package: 25kg/Drum
• Origin: China
• HS Code: 32042000
• Production Capacity: 1500mt/Year

Product Description

Fluorescent Brightener OB 184 for paint ink plastic masterbatch
 

Product Name	Optical brightener OB-(C.I. 184)
CAS No.	7128-64-5
EINECS No.	230-426-4
Other Name	2,5-bis(5-tert-butyl benzoxazoly-2'-)
MF	C26H26N2O2S
Appearance	Light Green Powder
Purity	≥98%
Melting point	198~202 °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 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	The product is light green or green powder, non-toxic and tasteless, can dissolve in alkane, fat, mineral oil, paraffin and most organic solvents, the absorption spectra of the largest value for 375 mm (in ethanol).

 



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