Ultraviolet absorber UV-329

Chemical name:2-(2'-hydroxy-5'-tert-octyl phenyl)benzotriazole

Main chemical index

（1）Chemical Abstracts No.：[3147-75-9]

（2）Molecular weight：323

（3）Molecular formula: C₂₀H₂₅N₃O

（4）Appearance：white powder

（5）Content：≥99%

（6）Melting point:：101℃-106℃

（7）Loss on drying：:≤0.5%

（8）Ash content：:≤0.1%

（9）Light transmittance：440nm>97%
                                                 500nm>98%

Properties & Use: Ultraviolet absorber UV-329 is a kind of highly effective antioxidant which has remarkable performance, can absorb ultraviolet ray of 270-340 nanometer, widely used in PE, PVC, PP, PS, PC, polycarbonate, polystyrene, polypropylene fiber, ABS resin, epoxy resin, resin fiber and ethylene acetic acid, etc. And it also can be used in the plastic container and food packing box and other packing materials for providing good light stabilizing efficiency.

Use level:thin product: 0.1-0.5%,thick product: 0.05-0.2%。

Storage & Packing: Ultraviolet absorber UV-329 is non toxic, nonflammable, incorrosive and has good storage stability. Use the package of cardboard drum inner lining plastic bag, net weight 25kg/50kg per drum, or design according to customer demand.

Ultraviolet absorber UV-531

Chemical name:2-hydroxy-4-n-octoxy benzophenone

Main chemical index

（1）Molecular weight：326

（2）Molecular formula：C₂₁H₂₆O₃

（3）Appearance：Light yellow needle crystal

（4）Content：≥99%

（5）Melting point:：47-49℃

（6）Loss on drying：≤0.5%

（7）Ash content：<0.1%

（8）Light transmittance：450nm>90%
                                                  500nm>95%

Properties & Use: Ultraviolet absorber UV-531 is a kind of highly effective anti-aging auxiliary agent which has remarkable performance, can absorb ultraviolet ray of 00-375 nanometer, has many characteristics such as light color, non toxicity, good compatibility, slight transport property, easy for processing and so on. It has the biggest protective function to the polymer, and is helpful to reduce luster, at the same time delay to turn yellow and hinder the physical performance loss. It is widely used in PE, PVC, PP, PS, PC, polycarbonate, organic glass, polypropylene fiber and ethylene acetic acid, etc. Moreover it can provide the good light stable effect to the phenolic aldehyde and talkyd varnish, the polyurethanes, the acrylic acid, the epoxy type and other air drying products and automobile refurbishing paint, powder coating, rubber and so on products.

Use level0.1-0.5%。

Storage & Packing:Ultraviolet absorber UV-531 is non toxic, nonflammable, incorrosive and has good storage stability. Use the package of cardboard drum inner lining plastic bag, net weight 25kg/50kg per drum, or design according to customer demand.

Ultraviolet absorber UV-9

Chemical name: 2-hydroxy-4-methoxy benzophenone

Main chemical index

（1）Appearance：Light yellow crystalline powder

（2）Content：>99%

（3）Melting point:：63-64℃

（4）Ash content：<0.1%

（5）Loss on drying：<0.5%

（6）Light transmittance：425nm>93%
                                                  500nm>95%

Properties & Use: Ultraviolet absorber UV-9 can absorb ultraviolet ray of 290-400 nanometer, almost does not absorb visible light, so it is especially suitable for the weak color transparent products. It has good light and heat stability, does not decompose under 200℃. It can be used in oil paint and various kinds of plastic products, has special effect to the PVC, polyester, acrylic acid, resin, polystyrene and weak color transparent furniture, it is a good cosmetic additive either.

Use level0.1-0.5%。

Storage & Packing:Ultraviolet absorber UV-9 is non toxic, nonflammable, unexplosive, incorrosive and has good storage stability. Use the package of cardboard drum inner lining plastic bag, net weight 25kg/50kg per drum, or design according to customer demand.

.Ultraviolet absorber UV-O

Chemical name:2,4-dihydroxy benzophenone

Main chemical index

（1）Appearance：Light yellow powdery crystal

（2）Content（GC）：>99%

（3）Melting point:：143-148℃

（4）Ash content：<0.1%

（5）Loss on drying：≤0.5%

Properties & Use: This product can directly used in epoxy resin, polystyrene, coating, the addition level is 0.1 share, also can be used in UV-531、UV-9、UV-4、UV-5、UV-1200 benzophenone ultraviolet absorbers.

Storage & Packing: Ultraviolet absorber UV-0 is non toxic, nonflammable, incorrosive and has good storage stability. Use the package of cardboard drum inner lining plastic bag, net weight 25kg/50kg per drum, or design according to customer demand.

Ultraviolet absorber UV-P

Chemical name:2-(2'-hydroxy-5'-methyl phenyl)benzotriazole

Main chemical index

（1）Appearance：Light yellow powdery crystal

（2）Molecular formula：C₁₃H₁₁N₃O

（3）CAS NO. 2440-22-4

（4）Content（GC）：>99%

（5）Melting point:：143-148℃

（6）Ash content：<0.1%

（7）Loss on drying：≤0.5%

Properties & Use: this product is a high effective ultraviolet absorber, can effectively absorb ultraviolet ray of 290-400 nanometer, mainly used in PVC, polypropylene, unsaturated resin, polycarbonate, PMMA, ABS resin, epoxy resin, fiber resin, etc. It almost does not absorb visible light, so it is especially suitable for the colorless transparent and pure color products. It can not be used in plastic products for food.

Use level:thin product: 0.1-0.5%,thick product: 0.05-0.2%

Storage & Packing: Ultraviolet absorber UV-P is non toxic, nonflammable, incorrosive and has good storage stability. Use the package of cardboard drum inner lining plastic bag, net weight 25kg/50kg per drum, or design according to customer demand.

Ultraviolet absorber UV-326

Chemical name:2-(2'-hydroxy-3'-tertiary butyl-5'-methyl phenyl)-5-chlorobenzotriazole

Structural formula:

Main chemical index

（1）Molecular formula:C₁₇H₁₈N₃OCl

（2）CAS NO：3896-11-5

（3）Appearance：Light yellow crystalline powder

（4）Content：≥99%

（5）Melting poin：137－141°C

（6）Loss on drying：≤0.5%

（7）Light transmittance：460nm≥97%
                                                 500nm≥98%

Properties & Use: As the light stabilizer, this product can effectively absorb the ultraviolet light of 270-380nm wavelength. Mainly used in the polyvinyl-chloride, polystyrene, unsaturated resin, polycarbonate, PMMA, polyethylene, ABS resin, epoxy resin and the cellulose resin and so on. This product hardly absorbs visible light, so it's specially suitable in colorless transparent and pure color products. This product can not be used in plastic products for food.

Use level:thin product: 0.1-0.5%, thick product: 0.05-0.2%.

Storage & Packing: Ultraviolet absorber UV－326 is non toxic, nonflammable, incorrosive and has good storage stability.

Use the package of cardboard drum inner lining plastic bag, net weight 25kg/50kg per drum, or design according to customer demand.

Ultraviolet absorber UV-327

Chemical name:: 2-(2'-hydroxy-3', 5'-ditert-butyl phenyl)-5-chlorobenzotriazole

Main chemical index

（1）Molecular formula: C₂₀H₂₄N₃OCl

（2）CAS NO：3864-99-1

（3）Appearance：Light yellow crystalline powder

（4）Content：≥99%

（5）Melting point:154－158°C

（6）Loss on drying：≤0.5%

（7）Light transmittance：460nm≥92%
                                                  500nm≥95%

Properties & Use: Ultraviolet absorber UV－327 is a kind of highly effective anti-aging auxiliary agent which has remarkable performance, has many characteristics such as light color, non toxicity, good compatibility, slight transport property, easy for processing and so on. It has the biggest protective function to the polymer, and is helpful to reduce luster, at the same time can delay to turn yellow and hinder the physical performance loss. It is widely used in PE, PVC, PP, PS, PC, Pu, ABS, organic glass, polypropylene fiber and ethylene vinyl acetate, etc.

Use level:thin product: 0.1-0.5%,thick product: 0.05-0.2%。

Storage & Packing: Ultraviolet absorber UV－327 is non toxic, nonflammable, incorrosive and has good storage stability.Use the package of cardboard drum inner lining plastic bag, net weight 25kg/50kg per drum, or design according to customer demand.

Ultraviolet absorber UV-328

Chemical name:2- （ 2′- hydroxy -3′， 5'-diamyl phenyl）benzotriazole

Main chemical index

（1）Molecular formula： C₂₂H₂₉N₃O

（2）Molecular weight： 351.5

（3）CAS NO. ： [21615-48-6]

（4）Appearance：White-light yellow powder

（5）Content：≥99%

（6）Melting point： 80-83℃

（7）Loss on drying：≤0.5%

（8）Ash content：≤0.1%

（9）Light transmittance：440nm≥97%
                                                 500nm≥98%

Properties & Use: This product is mainly suitable for the polyolefine, polystyrene, polyvinyl-chloride, polyurethane and polyester products and so on. It is the outstanding variety of benzotriazole series ultraviolet absorbent. The largest absorption wave length is 345nm.

General use level is about 1%.

Storage & Packing: Ultraviolet absorber UV－328 is non toxic, nonflammable, incorrosive and has good storage stability.Use the package of cardboard drum inner lining plastic bag, net weight 25kg/50kg per drum, or design according to customer demand.