Optical Brightener OB

Short Description:

OB is used in thermoplastic plastics. PVC, PE, PP, PS, ABS, SAN, SB, CA, PA, PMMA, acrylic resin., polyester fiber paint, coating the brightening of printing ink.


Product Detail

Product Tags

Chemical Name 2.5-bis(5-tertbutyl-2-benzoxazolyl)thiophene

Molecular Formula C26H26SO2N2
Molecular Weight 430.575
CAS Number 7128-64 -5

Specification Appearance:
Light green powder
Assay: 99.0% min
Melting Point: 196 -203°C
Volatiles Content 0.5% max
Ash content: 0.2% max

Applications
It is used in thermoplastic plastics. PVC, PE, PP, PS, ABS, SAN, SB, CA, PA, PMMA, acrylic resin., polyester fiber paint, coating the brightening of printing ink. .

Usage: (With plastic raw material weight percentage)
PVC Whitening: 0.01 ~ 0.05%
PVC : To improve brightness: 0.0001 ~ 0.001%
PS : 0.0001 ~ 0.001%
ABS: 0.01 ~ 0.05%
Polyolefin colorless matrix: 0.0005 ~ 0.001%
White Matrix: 0.005 ~ 0.05%

Packing and Storage
1.25 kg / drum
2.Stored in a cool and ventilated place.


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