Optical Brightening Agent HPS-4
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Post Date:
May 15,2014
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Expiry Date:
Nov 11,2014
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Detailed Description:
Optical Brightening Agent HPS-4
Chemical name Stilbene derivative
Structural formula
Specification Appearance: Slight yellow slurry
Fluorescent Color: Natural bluish
Whitening strength: 100( compared with standard sample)
Ionic character Nonionic
Treating process:
Exhausting process:
Dosage: 0.1-0.3 % (o.w.f)
Bath ratio:1:10-20
Temperature: 98-100
Time: 30-60 min
PH value: 6-12
2) Padding process:
Dosage: 1-3 g/l
Temperature: 100 180-190
Time: 20-30 seconds
Use: Mainly used for whitening polyester, its blends fabric and acetate fiber in low temperature.
Package: 30kg plastic drum. It can be packed according to the requirement of the user.
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