Customization: | Available |
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CAS No.: | 67845-93-6 |
Formula: | C31h54o3 |
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What Is UV Absorber 2908?
External light absorber UV-9 is light yellow or white crystalline powder, also known as sunscreen agent No. 2, BP-3, suitable for polyvinyl chloride, polyvinylidene chloride, polymethyl methacrylate, unsaturated polyester, AChemicalbookBS Resin and cellulose resin and other plastics, the maximum absorption wavelength range is 280-340 nanometers, the general dosage is 0.1-1.5%, the thermal stability is good, and it does not decompose at 200 ° C.
Items
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Specifications
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Appearance
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Yellow powder
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Smell
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Light
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Purity
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99.0% min
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Melting point
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62.0ºC - 64.0ºC
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Loss on drying
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0.5% max
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Heavy metals
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5ppm max
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Specific extinction
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At 285nm. 630min
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At 325nm. 400min
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Solidification point
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62.0ºC -72.0ºC
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GLC impurity
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Individual impurity: 0.1% max
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Sum of impurities: 1.0% max
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IR. Identity
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Conforms
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UV/VIS spectrum identity USP/NF
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Conforms
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Flash point
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100ºC min
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Application Of UV Absorber 2908
Used in plastic, chemical fiber, paint and petroleum products, especially suitable for light-colored transparent products, can be used in paint and various plastic products, for PVC, polyester, acrylic, resin, polystyrene and light-colored transparent furniture, etc. Especially effective, it is also a good cosmetic additive. The dosage is 0.1-0.5%.
25kgs/bag,20tons/20'container
Unilong Industry Co.,Ltd. is a growing high-tech chemical enterprise, and located in Zibo Zhangdian chemical industrial park of Shandong province. Now Unilong company already is a world leading professional manufacturer and distributor for fine chemicals materials.
With the development of society, more and more people pay more attention to environmental health.In recent years, we are engaging to expand new materials field and also set up a researching team, particularly for the fields of nutrition, skin care, daily care chemical materials.
Q1: Are you trading company or manufacturer?
A1: We are chemical factory in China. So we can provide wholesale price.
Q2: How can I get the samples?
A2: We can provide you sample for our existing products, the lead time is about 1-5 days.You just need to pay the sample
Q3: Can you provide relevant documents?
A3: Of course. We can provide Commercial Invoice, Packing List, Bill of loading, COA and Origin certificate.
Q4: Do you accept third party inspection?
A4: Yes.we do.
Q5: How long is your delivery time?
A5: Generally it is with 7 days if the goods are in stock. According to quantity your required,the delivery time may slightly change.
Q6: What's your terms of payment?
A6: We can accept various payment methods, L/C, T/T, Paypal, Western Union etc.
Q7: Can your company accept the special requirements of your customers?
A7: Of course, we can.