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West Tech Chemical CO., LTD absorbed advanced technology and management concept of multi­national chemical company. Company has introduced internationally advanced testing instruments and production equipment, and established a domestic first-class product research and development and testing laboratory.

Company has awarded National High-Tech Enterprise, A Class Credit of Tax Unit, and Vice President Unit of Rosin Branch of China National Forest Product Industry.

Yunfu Shengda Rosin Chemical CO. LTD is the only one facility that produce polymerized resin by sulfuric acid process in China.



West Tech has a number of advanced rosin resin production lines. Company main products are Water-based Rosin Resin Dispersion, Food Grade Rosin Resin, Depilatory Wax Resin, Tackify Rosin Resin and Polymerized Rosin. Company is the approval supplier of a number of multinational companies and listed companies.


Company has passed the audit and won the certificates of ISO9001-2015 Quality Management System, ISO140001:2015 Environment Management, ISO22000-2015 Food Safety Management System, Kosher Certificate, TFS Sustainability certification, got the registration of REACH, and won the pride of “Observe the contract and emphasis the credit” company in Guangdong.

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West Tech Chemical Ltd WT 820 is an aqueous, solvent free, anionic rosin ester dispersion recommended as a tackifier for acrylic latex polymers used in label, tape, and construction applications. The use of resin dispersion enhances specific adhesion to polyolefin substrates and recycled corrugated board.

West Tech Chemical Ltd WT 820

West Tech Chemical Ltd WR 5095 is glycerol ester of gum rosin. This product has high viscosity, superior aging resistance, and excellent compatibility.

West Tech Chemical Ltd WR 5095

West Tech Chemical Ltd WR 1095 is glycerol ester of gum rosin. This product has high viscosity, superior aging resistance, and excellent compatibility.

West Tech Chemical Ltd WR 1095

West Tech Chemical Ltd 145# is polymerized rosin produced by the sulfuric acid process. Its unique characteristics include higher softening point, and higher viscosity in both molten and solvent state.

West Tech Chemical Ltd 145#

West Tech Chemical Ltd WR 3095 is glycerol ester of gum rosin. This product has high viscosity, superior aging resistance, and excellent compatibility.

West Tech Chemical Ltd WR 3095

West Tech Chemical Ltd 95# is polymerized rosin produced by the sulfuric acid process. Its unique characteristics include higher softening point, and higher viscosity in both molten and solvent state.

West Tech Chemical Ltd 95#

West Tech Chemical Ltd AT 840 is an aqueous, solvent free, anionic rosin ester dispersion recommended as a tackifier for acrylic latex polymers used in label, tape, and construction applications. The use of resin dispersion enhances specific adhesion to polyolefin substrates and recycled corrugated board.

West Tech Chemical Ltd AT 840

West Tech Chemical Ltd WT 840 is an aqueous, solvent free, anionic rosin ester dispersion recommended as a tackifier for acrylic latex polymers used in label, tape, and construction applications. The use of resin dispersion enhances specific adhesion to polyolefin substrates and recycled corrugated board.

West Tech Chemical Ltd WT 840

West Tech Chemical Ltd 115# is polymerized rosin produced by the sulfuric acid process. Its unique characteristics include higher softening point, and higher viscosity in both molten and solvent state.

West Tech Chemical Ltd 115#

West Tech Chemical Ltd

West Tech Chemical CO., LTD absorbed advanced technology and management concept of multi­national chemical company. Company has introduced internationally advanced testing instruments and production e

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West Tech Chemical - WR 5095 - Esters - Hot Melt Adhesive

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	Value	Units	Test Method / Conditions
Acid Value	max. 15	mg KOH/g	-
Softening Point (R&B)	85-95	°C	R+B(ASTM-28)
Color (Gardner) (50% tol.Gardner 1963)	3-5	-	-
Solubility (with Benzene 1:1)	Clear	-	-

West Tech Chemical Ltd WR 5095

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