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Optical brightener OB
Optical brightener OB have excellent heat resistance; high chemical stability; and also have good compatibility among various resins.
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Optical Brightener OB-1 for PVC, PP, PE
Optical brightener OB-1 is an efficient optical brightener for polyester fiber, and it is widely used in ABS, PS, HIPS, PC, PP, PE, EVA, rigid PVC and other plastics. It has the characteristics of excellent whitening effect, excellent thermal stability etc。
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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... -
Optical Brightener FP127 for PVC
Specification Appearance: White to light green powder Assay: 98.0% min Melting Point: 216 -222°C Volatiles Content: 0.3% max Ash content: 0.1% max Application Optical brightener FP127 has very good whitening effect on various kinds of plastics and their products such as PVC and PS etc. It can also be used optical brightening of polymers, lacquers, printing inks and man-made fibers. Usage Dosage of transparent products is 0.001-0.005%, Dosage of white products is 0.01-0.05%. Before various pla... -
Optical Brightener KCB for EVA
Specification Appearance: Yellowish green powder Melting point: 210-212°C Solid content: ≥99.5% Fineness: Through 100 meshes Volatiles Content: 0.5% max Ash content: 0.1%max Application Optical Brightener KCB is mainly used in brightening synthetic fiber and plastics, PVC, foam PVC, TPR, EVA, PU foam, rubber, coating, paint, foam EVA and PE ,can be used in brightening plastic films materials of molding press into shape materials of injection mold, can be also used in brightening polyester fib... -
UV Absorber UV-1577 for PET
UV1577 suitable for polyalkene terephthalates & naphthalates, linear and branched polycarbonates, modified polyphenylene ether compounds, and various high performance plastics. Compatible with blends & alloys, such as PC/ ABS, PC/PBT, PPE/IPS, PPE/PA and copolymers as well as in reinforced, filled and/or flame retarded compounds, which can be transparent, translucent and/or pigmented.
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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...