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| Product Name: |
optical brightener 4BK
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| Supply Ability: |
2,000,000 Mt |
| Related proudcts |
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| Specifications |
optical brightener 4BK |
| Price Term: |
FOB, CNF, CIF |
| Port of loading: |
Ningbo, Shanghai |
| Minimum Order |
1 package |
| Unit Price: |
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Optical Brightening Agent 4BK
Chemical name: Stilbene derivative
Structural formula
Specification
Appearance: Grey powder
Fluorescent Color: Slight bluish
Whitening strength: 100¡À3( co***red with standard sample)
Moisture: ¡Ü6%
Ionic character: anionic
Treating process:
1.exhausting whitening process:
4BK: 0.05-0.8% (o.w.f.), bath ratio: 1: 30, dyeing temperature: 40℃ -100℃; Na2SO4:0-10g/l.,start temperature :30℃ , heating rate:1-2℃ /min, keep the temperature at 50-100℃ for 20-40min, then lower to 50-30℃ --> wash--> dry( 100℃ ) --> setting (120℃ -150℃ )¡Á1-2 min( add proper amount leveling agent according to the leveling effect).
2. Padding Process:
4BK:0.5-5g/l, residue liquor ratio:100%, one dip and nip --> dry( 100℃ )
-->setting (120℃ -150℃ )¡Á1-2 min
Use: Mainly be used as brightener of contton, linen, silk, polyamide fiber ,wool and paper.
Package: It is packed in 20Kgs paper board bucket..It can be packed according to the requirement of the user.
Note: It needs to be declared that the above data is 4BKsed on our present knowledge and experience; owing to too many affecting factors, these data cannot be free from their check and test when processing and using the product.
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| Company: |
Shaoxing Chenhao Chemicals Co., Ltd.
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| Contact: |
Ms. Shary Lian |
| Address: |
Shunjie Road |
| Postcode: |
312300 |
| Tel: |
+86-575-82212544 |
| Fax: |
+85-575-82009612 |
| E-mail: |
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