• UV Absorber UV-326

    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),...
  • Optical Brightener Agent

    Optical Brightener Agent

    Optical brighteners are also called as optical brightening agents or fluorescent whitening agents. These are chemical compounds that absorb light in the electromagnetic spectrum’s ultraviolet region; these re-emit light in the blue region with the help of fluorescence

  • Nucleating Agent NA3988

    Nucleating Agent NA3988

    Name:1,3:2,4-Bis(3,4-dimethylobenzylideno) sorbitol Molecular Formula:C24H30O6 CAS NO:135861-56-2 Molecular Weight:414.49 Performance and Quality Index: Items Performance & Indices Appearance White tasteless powder Loss on Drying,≤% 0.5 Melting Point,℃ 255~265 Granularity (Head) ≥325 Applications: Nucleating transparent agent NA3988 promotes the resin to crystallize by providing crystal nucleus and makes the structure of the crystal grain fine, thus im...
  • Optical brightener OB

    Optical brightener OB

    Optical brightener OB have excellent heat resistance; high chemical stability; and also have good compatibility among various resins.

  • Optical Brightener OB-1 for PVC, PP, PE

    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。

  • UV ABSORBER UV-1130 for automotive coatings

    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

    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

    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

    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.

  • Blocked Isocyanate Crosslinker DB-W

    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

    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

    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...