Name: Fluorescent Brightener VBL
CAS No.: 12224-06-5
MF: C36H34N12Na2O8S2
Purity: 99%
Place of Origin: China (Mainland)
Usage: Brightening of cotton, chinlon,and pulp. The blooming of light textile
Packaging Detail: Packed in cardboard bucket or plastic coating paper bag after being packed in plastic bag first. 25kgs or 50kgs per bucket.
Delivery Detail: three weeks
Specification
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Item
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Indices
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Used for textiles
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Used for paper-making
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Appearance
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Light yellow or yellow uniform powder
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Fluorescent strenghth (equivalent to the Sstandard sample)
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100
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Relative Intensity
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100
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Color Shade
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Similar to the standard sample
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Whiteness (the deviation with the Standard Sample)
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≥ -3
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Moisture content
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≤ 5%
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Content of Water-Insoluble Impurities
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≤ 0.5%
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Fineness (residual content passed through 180μm-pore sieve )
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≤ 10%
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The limitation of 23 kinds of harmful aromatic amines, mg/kg
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According with the standard GB 19601-2004
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