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18 alcohol
Chemical Chinese name: Stearyl alcohol Chemical English name: stearyl alcohol Chinese name 2 Stearyl alcohol CAS No.: 112-92-5 Molecular


Light Stabilizer 944
This product is white or light yellow powder, soluble in acetone, benzene, chloroform and other organic solvents, the relative density is 1.01 (20


Light Stabilizer 770
Light Stabilizer 770 Chemical name: bis-2,2,6,6-tetramethylpiperidinol sebacate Molecular formula C28H52O4 N2


Light Stabilizer 622
Light Stabilizer 622 Chemical name: Polymer of succinic acid and 4-hydroxy-2,2,6,6-tetramethyl-1-piperidinol


Light Stabilizer 292
Light Stabilizer 292 Chemical name: Bis(1,2,2,6,6-pentamethyl-4-piperidine)sebacate with 1-methyl- Mixture of 8-(1,2,2,6,6-pentamethyl-4-piperidine)sebacate


UV absorber
UV absorber is benzotriazole mixture A:50%-52%(C2-H4-O)6-7-C19H21N3O3 b-[3-(2-H-benzotriazol-2-yl)-4-hydroxy-5-tert-butyl phenyl]-propionic acid polyethylene glycol 300 ester
The UV absorber is a hydroxyphenylbenzotriazole type UV absorber, which can effectively protect the gloss of the coating, avoid cracks and spots, the product is easy to emulsify, and is especially suitable for water-based systems. Dispersion of UV absorbers in aqueous systems can be obtained by dissolving in water-soluble solvents such as diethylene glycol diethyl ether.
UV absorbers with good high temperature resistance and anti-extraction properties are especially suitable for industrial and automotive coatings with high weather resistance requirements, and can also provide sufficient protection for sensitive substrates such as wood.
UV absorbers are used with hindered amines (HALS), such as light stabilizers 292 or 123. These shared synergists can significantly improve coating performance and prevent gloss loss, cracking, blistering, peeling and discoloration.


UV Absorber 531
UV Absorber 531
Chemical name: 2-hydroxy-4-n-octyloxybenzophenone
Molecular formula
C21H26O3
Molecular weight
326
CAS number
1843-05-6
Product introduction: UV absorber UV-531 is a highly efficient anti-aging additive with excellent performance, which can absorb 240-340 nanometer ultraviolet light, with light color, non-toxic, good compatibility, small migration, easy to process and so on. It provides maximum protection to the polymer and helps reduce color while retarding yellowing and retarding physical property loss.
Physical Properties:
Appearance:
Light yellow powder
Content:
≥99%
melting point:
47-49℃
Gray:
≤0.1%
Transmittance:
460nm≥97% 500nm≥98%
Dry loss:
≤0.5%
Application:It is widely used in PE, PVC, PP, PS, PC, plexiglass, polypropylene fiber and vinyl acetate, etc. Alkyd varnishes, polyurethanes, acrylics, epoxies and other air-drying products, as well as automotive refinish paints, powder coatings, rubber and other products provide good light stabilization. The dosage is 0.1-0.5%.
Packaging: Package in cardboard drum lined with plastic bag, 20KG/drum.
Storage: Protect against rain, moisture and sun.
Validity period:2 years


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