UV Photoinitiator

Good Glossy Trimethylolpropane Triacrylate TMPTA Used For UV Coating Trimethylolpropane Triacrylate DR-406 with following characteristics:excellent wear resistance,good hardness,good gloss. Specification Type Index Test Method Appearance Transparent liquid visualization Colour (Pt-Co) ≤40 GB/T9282.1-2008 (Pt-Co) Viscosity Cps/25℃ 70-110 GB/T 5561-2012 Acid value(mg KOH/g) ≤0.3 titration The moisture content % ≤0.2 GB/T 6283-2008(Karl fischer method) Total Ester content(%) ≥96

High Catalytic Efficiency Tertiary Amine Acrylater For UV Coatings Tertiary Amine Acrylate DR-5337 with following characteristics:high catalytic efficiency, low benzene content,good priming effect. Specification Type Index Test Method Appearance Transparent liquid visualization Colour (APHA) ≤3 GB/T1722- 1992 (Fe-Co) Viscosity Cps/25℃ 70-100 GB/T 2794-1995 Amine value 270-300 Anhydrous ethanol titration Functionality 0 Theoretical value Application Suitable for UV ink, UV

Fast Curing Rate Propoxylated Glycerol Triacrylate For Flexographic Printing Propoxylated Glycerol Triacrylate DR-1806 with following characteristics: fast curing rate,high surface hardness,excellent flexibility. Specification Type index Test Method Appearance Transparent liquid visualization Colour (Pt-Co) ≤50 GB/T9282.1-2008 (Pt-Co) Viscosity Cps/25℃ 70-110 GB/T 5561-2012 Acid value(mg KOH/g) ≤0.5 titration The moisture content (%) 0.2 GB/T 6283-2008(Karl fischer method)

UV Light Curing Benzil Dimethyl Ketal BDK Used In Photosensitive Resins Printing Benzil dimethyl ketal BDK is highly efficient UV photoinitiator ink additives,with good compatible with unsaturated polyesters, acrylate monomers and oligomers used in UV-curable systems. Specification BDK Test Item Requirement Appearance White crystal powder Assay 99%min Melting point 64-67℃ Loss on drying 0.1% max Ash 0.1% max Transmittance 425nm ≥95.0% Transmittance 450nm ≥96.0% Transmittance

Pale Yellow Clear Liquid Photoinitiator 1173 Used For Coating Wood Photoinitiator 1173 is a liquid photoinitiator for UV curing acrylic resin for coating wood, metal, paper and plastic…etc. CAS No.: [7473-98-5] 2-Hydroxy-2-Methyl-Phenyl-Propane-1-one General name: Photoinitiator 1173 Specification Type index Appearance pale yellow clear liquid Solubility in water(20℃) 13.3g/L Flash point(1013hpa) 122℃ UV-Absorption 244nm/278nm/330nm Purity ≥98.5% Boiling point(101.3kpa) 252.1

2, 4, 6-Trimethylbenzoyldiphenyl phosphine oxide TPO is UV Photoinitiator, which appearance is light yellow powder. Advantages: Fast photocuring speed; Good using in thick layers of photocuring coatings; Low-volatility, mild-smell and environment friendly; Anti-yellowing Specification Benzophenone Test Item TPO Appearance light yellow powder Melting point 90-95°C Purity ≥99% Volatiles ≤0.3% UV

Good Pigment Dispersibility Epoxy Acrylates of Soybean Oil For Paper Varnish DR-4042 Epoxy Acrylates of Soybean Oil is transparent liquid,offers leveling properties, good flexibility, and good adhesion on paper. Specification Type Index Test Method Appearance Transparent liquid visualization Colour (APHA) ≤8 GB/T 22295-2008 (Gardner) Viscosity Cps/25℃ 15000-30000 GB/T 2794-1995 Acid value(mg KOH/g) ≤8 GB/T 6743-1986 Application Wood coatings, paper varnish, ink, etc. Storage

DR-1806 Propoxylated Glycerol Triacrylate is transparent liquid,with the following features: Fast curing rate,high surface hardness,excellent flexibility. Specification Type index Test Method Appearance Transparent liquid visualization Colour (Pt-Co) ≤50 GB/T9282.1-2008 (Pt-Co) Viscosity Cps/25℃ 70-110 GB/T 5561-2012 Acid value(mg KOH/g) ≤0.5 titration The moisture content (%) 0.2 GB/T 6283-2008(Karl

Good Chemical Stability Bisphenol-A Epoxy Acrylate For Screen Printing Bisphenol-A Epoxy Acrylate is a standard bisphenol-A epoxy acrylate.With below advantages: - Excellent solvent resistance - High glossy - Low viscosity - Fast curing rate Specification Type index Test Method Appearance Transparent liquid visualization Colour (Gardner) ≤1 GB/T 3143-1982 Viscosity Cps/25℃ 6000-11000 GB/T 2794-1995 Acid value(mg KOH/g) ≤3 GB/T 6743-1986 Specific gravity 1.17±0.02 GB/T 6750

High Cross-linking Density Trimethylolpropane Triacrylate Suitable For UV Ink DR-406 Trimethylolpropane Triacrylate is transparent liquid,with below characteristics: high reactivity, high cross-linking density and excellent wear resistance. Specification Type Index Test Method Appearance Transparent liquid visualization Colour (Pt-Co) ≤40 GB/T9282.1-2008 (Pt-Co) Viscosity Cps/25℃ 70-110 GB/T 5561-2012 Acid value(mg KOH/g) ≤0.3 titration The moisture content % ≤0.2 GB/T 6283

Excellent Solvent Resistance Bisphenol-A Epoxy Acrylate Resin Diluted With 20% TPGDA For Offset Inks Bisphenol-A Epoxy Acrylate Resin (20%TPGDA)is diluted with 20% TPGDA,a standard bisphenol-A epoxy acrylate.With many advantages as below:fast curing rate, high surface hardness,excellent solvent resistance Specification Type index Test Method Appearance Transparent liquid visualization Colour (Pt-Co) ≤100 GB/T93143-1982 (Pt-Co) Viscosity Cps/25℃ 30000-60000 GB/T 2794-1995 Acid

DR-2012 Dipentaerythritol Hexaacrylate DPHA with the following advantages: high cross-linking density,good chemical resistance, good water resistance. Specification Type Index Test Method Appearance Transparent liquid visualization Colour (Pt-Co) ≤40 GB/T9282.1-2008 (Pt-Co) Viscosity Cps/25℃ 4000-9000 GB/T 5561-2012 Acid value(mg KOH/g) ≤0.5 titration The moisture content % ≤0.2 GB/T 6283-2008(Karl fischer

Low Volatility Colorless Liquid Dipropylene Glycol Diacrylate DPGDA For UV Ink The Characteristics of DR-604 Dipropylene Glycol Diacrylate is:low volatility, low viscosity, good dilution and fast curing speed. Specification Type Index Test Method Appearance Transparent liquid visualization Colour (Pt-Co) ≤40 GB/T9282.1-2008 (Pt-Co) Viscosity Cps/25℃ 7-13 GB/T 5561-2012 Acid value(mg KOH/g) ≤0.3 titration The moisture content % ≤0.2 GB/T 6283-2008(Karl fischer method) Total