Then by ultraviolet absorbent UV-absorber UV-531 share with you common type, the details are as follows:

Brand name salicylic acid phenyl ester

Ingredient salicylic acid phenyl ester

Performance and application of a colorless crystalline powder. Has pleasant aroma (smell of Wintergreen oil). 1.250g/cm3 density, melting point 43, boiling point (1.6kPa) 173. Easily soluble in ether, benzene and chloroform, soluble in ethanol, practically insoluble in water and Glycerin. Contents of 99%.

The product is a UV absorber, used plastic, but the narrow wavelength range. United States food and Drug Administration approved for use in contact with foodstuffs-acrylic resin products.

Packaging and storage of paper drum lined with plastic bag. Provides storage and transportation of chemicals.

Brand name ultraviolet absorbent

Component 2-(methyl-5 '-2 '-hydroxy) phenyl-benzo-triazole

Performance and appearance colorless or light yellow min. Soluble in many organic solvents such as gasoline, benzene, acetone. Minimum solubility in water, not to be concentrated alkalis, concentrated acid decomposition. Synthesis of heavy metal ions and salts. Can 270~280nm absorption wavelength of ultraviolet light. Melting point 130~131.

This product is mainly used for polyester, chlorine-PVC, polystyrene, polyester, acetate, acrylic, acrylic resin. Stability in transparent products in coloring products are better. Products in the amount of 0.%~0.5%.

Trade name ultraviolet absorbent UV-O

Components of dihydroxy diphenyl ketone

Properties and uses of the product dimmed acicular Crystal or white powder. Water <0.5%. Ash 100ml solvents, 25 c) acetone 50, p-1, >50 alcohol, &Lt;0.5 water, heptane, &Lt;0.5.

The product is UV absorbers, suitable for PVC, polystyrene, unsaturated polyester, epoxy resins and cellulose resins, coatings and synthetic rubber. Maximum absorption wavelength range 280~340nm, General 0.1% 1%. But the light effects are not prominent.

Safety precautions this product is with the oral LD50 in rats is 8.6g/kg weight LD502.336mg/kg weight gain in mice. In 0.19, 0.60, 1.90g/kg dose not seen poison, two other groups of doses affected the development of laboratory animals, blood-phase changes.

Brand name ultraviolet absorbent UV-9

Component 2-hydroxy methyl diphenyl ketone

Performance and application of the product is light yellow or white crystalline powder. 1.324g/cm3 density (2 of 5). Melting point 62~66℃. Boiling point 150~160℃ (0.67kPa), 220 (2.4kPa). Soluble in acetone, methanol, ethyl acetate, acetone, benzene, methyl ethyl ketone and most organic solvents such as ethanol, insoluble in water. The goods in partial solubility in the solvent (solvent-g/100g, 25), 4.3 solvent benzene to 56.2, n-hexane, ethanol (95%) 5.8 34.5, styrene, and carbon tetrachloride 51.2, DOP18.7.

The product is UV absorber, used in polyvinyl chloride, polyvinylidene chloride, polymethyl methacrylate, ABS resin, unsaturated polyester resins and other plastic and cellulose, maximum absorption wavelength range is 28. 340nm, generally amount to 0.1%~1.5%, good thermal stability, at 200 ° c for the decomposition. This almost does not absorb visible light, it is suitable for light coloured transparent products. This product can also be used for paints and synthetic rubber.

Security considerations for Japan, and Italy provided the product is used for products in contact with foodstuffs, the maximum amount shall not exceed 0.3%.

Brand name ultraviolet absorbent UV-531

Component 2-hydroxy-octyloxy Benzophenone

Performance and application of the product is light yellow or white crystalline powder. 1.160g/cm3 density (25 ℃). Melting point 48~49℃. Soluble in acetone, benzene, ethanol, isopropyl alcohol, and slightly soluble in dichloroethane, insoluble in water. The goods in partial solubility in the solvent (solvent-g/100, 258), 74, p-72, in the solvent acetone 2 methanol, ethanol (95%) 2.6, n-heptane 40.1 40, n-hexane, water 0.5.

The product is UV absorber, able to strongly absorb ultraviolet light wavelength of 270330nm, can be used in a variety of plastics, especially polyethylene, polypropylene, polystyrene, ABS, polycarbonate, polyethylene resin compatibility with resin, chloride, and volatilities. Normal dosage for 0.1%~1%. With a small amount of 4,4-thio-(6-tert-butyl-p-cresol) and there is good synergy. The product can also be used as light stabilizers of various coatings.

Security Note matters the products toxicity small, many national license the products for contact food of increased plastic products, as United States for poly olefin, United Kingdom (Supreme dosage 0.6%), Italy (on polyethylene, and polypropylene of Supreme dosage for 0.5%), and Japan of dosage is: polyethylene 0.5%, and polypropylene 1%, and AS resin and ABS resin 0.5%, and PVC 0.2% (not contact grease sex food or ethanol food content over 20% of food).

Brand name ultraviolet absorbent UVP-327

Component 2-(2'--hydroxy- -3',5'--di-tert-phenyl) -5-chloride BENZOTRIAZOLE

The product is UV absorbers, their properties and uses similar to the UV-326, strong ultraviolet light absorption wavelength of 270~380 nm, good chemical stability, volatility is minimal. Compatibility with polyolefins. Especially suitable for polyethylene and polypropylene. In addition, can also be used for PVC, polymethyl methacrylate, polyoxymethylene, ABS resin, polyurethane, unsaturated polyester, epoxy resins and cellulose resins. Sublimate this product has good heat resistance, resistance to washing, gas fading resistance and mechanical properties of retention. With antioxidant and offers significant synergies. To improve the Thermo-oxidative stability of the products. The normal dosage for 1%~3% products in plastics.

Safety precautions this product is low in toxicity, Japan and the United States, and France, and Italy to license the product in polyolefin plastic intended for contact with food, the maximum dosage for 0.5%, used in other plastics in contact with foodstuffs, Italy set maximum dosage of 0.2%, Japan and France to 0.5%.

Brand name UV absorber RMB

Ingredients benzoic acid resorcinol acetate

Performance and application of the product is a white crystalline powder. 132~135℃ melting point, boiling point 140 ℃ (20Pa). The bulk density of 0.68g/cm3 (20%). Dissolve in acetone and ethanol, slightly soluble in benzene, water, n-heptane, and so on.

The product is UV light stabilizers, its effectiveness and Benzophenone class light stabilizers are similar. Mainly used for cellulose resin, polystyrene, PVC, normal dosage 1%~2%.

Brand name light stabilizer AM-101

Ingredients 2,2'-thio-(4-tert-octylphenol) oxy nickel

Performance and application of the product is a green powder. Absorption peaks in the ultraviolet region 290nm (chloroform), suitable for polyolefin plastics such as polyethylene, polypropylene, thin films and optical stabilization of fiber products is a plus. And improve processing performance. This product has good UV absorbers in combination with synergy. Or further improve light efficiency. Its main disadvantage is the darker, enables the product coloration, while at high temperatures and under thio ester auxiliary antioxidant effect, enables the product to greyish black.

Safety precautions this product is toxic, it should be noted that when using.

Brand name light stabilizer GW-540

Composition III (1,2,2,6,6-Wu Jia-piperidyl) phosphite

Performance and application of the product is a white crystalline powder. Melting point 122~124℃. Soluble in ethanol, chloroform, acetone, benzene and other solvents, hard to dissolve in water.

This product is hindered such light stabilizer, no UV-absorbing capacity of its own, but you can capture the activity of free radicals produced by polymer degradation, decomposition of excited state molecules of hydrogen peroxide and transfer energy, light effect for the General UV absorber 24 times. The product is suitable for plastics such as polyethylene, polyethylene, good compatibility with resins, processing performance too, besides the light effect, also have good resistance to thermal oxidation resistance. But the heat is bad, not in a hot water medium to long-term use. In addition, the best at 270 ° c below the temperature processing and use, weightlessness when you exceed this temperature is more serious.

Safety precautions this product is low in toxicity.

Brand name light stabilizers of 744

Ingredients 4-phenyl-methyl-benzoyl -2,2,6,6--tetramethyl piperidine

Performance and application of the product is a white crystalline powder. 95~98℃ melting point, decomposition temperature of 280 degrees Celsius or more. Soluble in acetone, ethanol, ethyl acetate, toluene and insoluble in water.

This product is blocked light stabilizer, which itself has almost no ability to absorb ultraviolet light, but can effectively capture polymeric materials produced under the UV reactive free radicals, thereby playing light utility. This product is suitable for polyamide and polypropylene, polyethylene, polystyrene, polyurethane, polyester, of a variety of plastics, especially prominent in the polyolefin. The light resistance of UV absorbers by several times. No coloring, no pollution, good thermal processing, combines with antioxidants and UV absorbers with excellent synergies.

2,4,6-III (2'-butyl phenyl) to triazine

Ingredients 2,4,6-III (2'-butyl phenyl) to triazine

Properties and application of the product is light yellow powder. Melting point 156165. Soluble phosphorus triamide six methyl heat when dissolved in dimethyl formamide, slightly soluble in butyl alcohol, insoluble in water.

The product is UV-absorber, can absorb ultraviolet light wavelengths 300~380nm, suitable for PVC, Pom, polyether and many other plastics, normal dosage for 0.%~1%. The light efficiency is better than UV-9 and UV-531, but the pigmentation and can make products with a pale yellow, but poor compatibility with resin.

Brand name light stabilizer HPT

Element six methyl phosphorus triamide

Performance and application of the product is colorless or light yellow transparent liquid. Slightly fishy astringency. 1.0253~1.0257g/cm3 density (20 ℃). Freezing point 27 ℃, boiling point 116~117℃ (1.48kPa). Refractive 1.4582~1.4589 (20 ℃). Solubility in polar and non-polar solvent, and dioctyl phthalate, dioctyl sebacate, dibutyl phosphite three benzoate plasticizers can be anything such as miscible.

The product is available for light stabilizer for PVC. Can provide products with good outdoor anti-aging performance, so with PVC high efficiency weather resistant agent said. Add 2~5 to the PVC film copy of the product, not only can significantly improve its weather resistance and cold resistance, and temperature can drop about 10 degrees Celsius and, in addition, the product can also be used as polyamide, polyurethane, urea-formaldehyde resin, PPS and other polymer materials good solvents.

Safety precautions this product is nontoxic, not intended for contact with food products, and should avoid contact with the skin.

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