Optical brightener agent ( fluorescent bleaching agent) OB-1
1.Product Name: Fluorescent Brightener
1.Product Name: Fluorescent Brightener
2.CAS No:7128-64-5
3.Molecular formula:C26H26N2O2S H9C4
4.Molecular weight:430
5.Specifications:
Appearance: Light yellow powder
Melting point :201-202 °C
Purity: ≥ 99.00%
Volatile: ≤ 0.2%
Transmittance: 450nm ≥ 96% 500nm ≥ 97%
Melting point :201-202 °C
Purity: ≥ 99.00%
Volatile: ≤ 0.2%
Transmittance: 450nm ≥ 96% 500nm ≥ 97%
6..Applications:
Applicable to PP, PE, PVC, ABS, EVA, PS ABS, etc. whitening
7.Directions for use and dosage:
The dosage should be 0.01-0.05% on weight of plastic or polyester granules.Mix the materials thoroughly before shapping of the plastic prodects or draw in-spinning of polyester fibers
8.Packing and storing:
Cardboard drum,25kg each.strored in dry and ventilated place
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Product Name
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Fluorescent Brightener
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Test items
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Test standard
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Test result
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Fineness
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Through 100 meshes
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Through 100 meshes
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water insoluble matter
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≤ 0.5%
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0.046%
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Solid content
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≥99.5%
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99.5
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the fineness of 100 mesh sieve residue
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≤ 10%
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9.5%
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Volatile
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≤ 0.2%
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0.2
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