TianJin HuiQuan Fine Chemical Co.,Ltd

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1. optical brightener agent 4BK

Properties:
This product has high-efficiency fluorescent-whitening effect with slight blue shade, not sensitive to light, with stable chemical performance, good weak acid resistance, p erborate resistance, and hydrogen peroxide resistance ...

2. OPTICAL BRIGHTENER MST

Chemical name: Stilbene derivative
Appearance: Slight brown liquid
Fluorescent Color: Similar to the standard sample
Whitening strength: 100+3(compared with standard sample)
PH value: 7-9
Ionic character: anionic
Padding Process:
Use: ...

3. OPTICAL BRIGHTENER AGENT HQ31

Item IndexAppearance Light yellow powder
Fluorescent density In accordance with standard sample
Moisture 5.0%
maxWater insolubles 0.5%
maxSize distribution Residue on 0.2mm mesh 5% max

4. optical brightener agent BBU

Main Chemical Composition: stilbene bistriazine derivative
Synonym: Optical Brightener BBU, Fluorescent Whitening Agent BBU, Fluorescent Brightener BBU, Optical Brightening Agent BBU, C.I.220, Blankophor BBU
Specification:
Appearance: ...