
Multipurpose Fluorescent Whitening Agent OB High Whitening Strength Strong Fluorescence
Phone Number : 18039110171 15638856372
WhatsApp : +8618039110171
Minimum Order Quantity : | 1 ton | Price : | Negotiable |
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Packaging Details : | 25kg/bag | Payment Terms : | L/C, T/T, Western Union, MoneyGram |
Supply Ability : | 1000 tons/month |
Place of Origin: | China | Brand Name: | RUNYE |
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Model Number: | OB-1 |
Detail Information |
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Model: | OB-1 | CAS No: | 1533-45-5 |
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MF: | C26H26SO2N2 | EINECS No: | 224-073-5 |
Fineness: | ≥ 100 Meshes | Purity: | 98% |
Appearance: | Slight Yellow Uniform Powder | Volatile: | ≤0.5% |
M.P: | 200-202 | ||
Highlight: | optical brightening agent,optical whitening agent |
Product Description
Optical Brightener OB-1 Whitening Agent For Pvc Profiles With Good Light Fastness And Low Volatility
Product: Optical Brightener OB-1
Chemical name: 2.5-bis (5-terbuty1-2-benzoxazolyl) thiophene
Description:
OB is a fluorescent whitening agent of the thiophenediyl benzoxazole class. The product is useful in plastics, man-made fibers, printing inks and coatings, flexible PVC and polyethylene. Dosage: 0.01%~0.05%.
Specification:
Molecular Formula Assay a Molecular Weight Appearance Melting Point Volatiles Partical Size TGA b @ 335.9°C ( LC ) (Air @ 20°C/min. rate) |
C26H26SO2N2 98% min. 430g/mole Slight Yellowish powder 200-202°C <0.15% <50 (mean micron) 90% Retention |
Advantages:
More easily dispersed than other optical brighteners
More efficient than other optical brightener
Brilliant, bluish white effects that compensates for yellowing
Good light fastness and low volatility
Exceptional whitening properties
Highly compatible with a wide range of organic substrates and solvents
Excellent resistance to heat
Useful as a tracer in clear coatings
In combination with dyes, produces particularly bright shades
Application/Uses:
• Coatings
• Flexible PVC
• Man-made fibers
• Plastics
• Polyethylene
• Printing Inks
Packing : 25kgs fibre drum
Quantity: Around 5.25mts/20'fcl without pallet.
Storage: Keep in cool and dry place
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