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Optical brightener
Optical Brightener Agent are designed to brighten or enhance the appearance of coatings, adhesives and sealants causing a perceived “whitening” effect or to mask yellowing. Product list： Product Name Application Optical Brightener OB Solvent based coating, paint, inks Optical Brightener DB-X Widely used in water based paints, coatings, inks etc Optical Brightener DB-T Water-based white and pastel-tone paints, clear coats, overprint varnishes and adhesives and sealants, Optic... -
Light Stabilizer 292 for coating
Chemical Composition: 1.Chemical Name: Bis(1,2,2,6,6-pentamethyl-4-piperidinyl)sebacate Chemical Structure: Molecular Weight: 509 CAS NO: 41556-26-7 and 2.Chemical Name: Methyl 1,2,2,6,6-pentamethyl-4-piperidinyl sebacate Chemical Structure: Molecular Weight: 370 CAS NO: 82919-37-7 Technical index: Appearance: Light yellow viscous liquid Clarity of solution (10g/100ml Toluene): Clear Color of solution: 425nm 98.0% min (Transmission) 500nm 99.0% min Assay (by GC): 1. Bis(1,2,2,6,6-pe... -
UV Absorber UV-326
Chemical Name: 2-(3-tert-Butyl-2-hydroxy-5-methylphenyl)-5-chloro-2H-benzotriazole CAS NO.:3896-11-5 Molecular Formula：C17H18N3OCl Molecular Weight：315.5 Specification Appearance: light yellow small crystal Content: ≥ 99% Melting point: 137~141°C Loss on drying: ≤ 0.5% Ash: ≤ 0.1% Light transmittance: 460nm≥97%; 500nm≥98% Application Max absorption wave length range is 270-380nm. It mainly used to polyvinyl chloride, polystyrene, unsaturated resin, polycarbonate, poly (methyl methacrylate),... -
UV ABSORBER UV-1130 for automotive coatings
Chemical Name: Alpha-[3-[3-(2h-Benzotriazol-2-Yl)-5-(1,1-Dimethylethyl)-4-Hydroxyphenyl]-1-(Oxopropyl]-Omega-Hydroxypoly(Oxo-1,2-Ethanediyl) CAS NO.: 104810-48-2 ,104810-47-1, 25322-68-3 Molecular Formula：C19H21N3O3.(C2H4O)n=6-7 Molecular Weight：637 monomer 975 dimer Specification Appearance: Light yellow transparent liquid Loss on drying: ≤0.50 Volatile: 0.2%max Proportion(20℃): 1.17g/cm3 Boiling Point: 582.7°C at 760 mmHg Flash Point: 306.2°C Ash: ≤0.30 Light transmittance :460nm≥97%, 500... -
Blocked Isocyanate Crosslinker DB-W
Chemical name: Blocked Isocyanate Crosslinker Technical index: Appearance pale yellow viscous liquid Solid content 60% -65% Effective NCO content 11.5% Effective NCO equivalent 440 Viscosity 3000~4000 cp at 25℃ Density 1.02-1.06Kg / L at 25℃ Unseal temperature 110-120 ℃ Dispersity can be dissolved in common organic solvents, but also well dispersed into waterborne coatings. Proposed uses: After heat treatment, the fastness of the paint film can be improved significantly by adding it to the au... -
UV Absorber BP-2
Chemical Name:` 2,2′,4,4′-Tetrahydroxybenzophenone CAS NO: 131-55-5 Molecular Formula：C13H10O5 Molecular Weight：214 Specification: Appearance: light yellow crystal powder Content: ≥ 99% Melting point: 195-202°C Loss on drying: ≤ 0.5% Application: BP-2 belongs to the family of substituted benzophenone which protect against ultraviolet radiation. BP-2 has high absorption both in UV-A and UV-B regions, hence has been widely used as UV filter in cosmetic and specialty chemical indus... -
UV Absorber BP-4
Chemical Name: 2-Hydroxy-4-Methoxy Benzophenone-5-Sulphonic Acid CAS NO: 4065-45-6 Molecular Formula：C14H12O6S Molecular Weight：308.31 Specification Appearance: Off-white or light yellow crystalline powder Assay (HPLC): ≥ 99.0% PH Value 1.2~2.2 Melting Point ≥ 140℃ Loss on Drying ≤ 3.0% Turbidity in water ≤ 4.0EBC Heavy Metals ≤ 5ppm Gardner Color ≤ 2.0 Application Benzophenone-4 is a water-soluble & is recommended for the highest sun protection factors. Tests have shown that Benzopheno... -
UV Absorber BP-3 (UV-9)
Chemical Name: 2-Hydroxy-4-methoxybenzophenone CAS NO:131-57-7 Molecular Formula：C14H12O3 Molecular Weight：228.3 Specification Appearance: light yellow powder Content: ≥ 99% Melting point: 62-66°C Ash: ≤ 0.1% Loss on drying(55±2°C) ≤0.3% Application This product is a high-efficienct UV radiation absorbing agent, capable of effectively absorbing UV radiation of 290-400 nm wavelength ,but it almost does not absorb visible light, particularly applicable to light-colored transparent products. I... -
UV ABSORBER BP-9
Chemical name: 2,2′-Dihydroxy-4,4′-Dimethoxybenzophenone-5, 5′ –Sodium Sulfonate; Benzophenone-9 CAS No.: 76656-36-5 Specifications: Appearance:Bright yellow crystalline powder Gardner Color: 6.0 max Assay:85.0% min or 65.0% min Chromatographic Purity: 98.0% min Odor:Similar in character and intensity to standrad,very slight solvent odor K-value(in water at 330 nm): 16.0 min Solubility:(5g/100ml water at 25 deg C) Clear solution, free from insoluble Use: This product is a wa... -
UV ABSORBER UV-1
Chemical Name: Ethyl 4-[[(methylphenylamino)methylene]amino]benzoate CAS NO.:57834-33-0 Molecular Formula：C17 H18 N2O2 Molecular Weight：292.34 Specification Appearance: light yellow transparent liquid Effective content,% ≥98.5 Moisture,% ≤0.20 Boiling point, ℃ ≥200 Solubility (g/100g solvent, 25℃) Application Two-component polyurethane coatings, polyurethane soft foam and polyurethane thermoplastic elastomer, specially in polyurethane products such as micro-cell foam, integral skin foam, tr... -
UV Absorber UV-234
Chemical Name: 2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol; CAS NO.: 70321-86-7 Molecular Formula：C30H29N3O Molecular Weight：448 Specification Appearance :light yellow powder Melting point : 137.0-141.0℃ Ash :≤0.05% Purity:≥99% Light transmittance: 460nm≥97%; 500nm≥98% Application This product is a high molecular weight UV absorber of the hydroxypheny benzotriazole class, showing outstanding light stability to a variety of polymers during its use.It is highly effective fo... -
UV Absorber UV-328
Chemical Name: 2-(2′-Hydroxy-3′,5′-dipentylphenyl)benzotriazole CAS NO.:25973-55-1 Molecular Formula：C22H29N3O Molecular Weight：351.48516 Specification Appearance: white to light yellow powder Content: ≥ 99% Melting point: 80-83°C Loss on drying: ≤ 0.5% Ash: ≤ 0.1% Light transmittance :440nm≥96%, 500nm≥97% Application This product is mainly used in polyvinyl chloride, polyurethane, polyester resin and others. Max absorption wave length range is 345nm. Toxicity: low toxicit...