Paper & pulp


WET PAPER STRENGTH RESINS

Wet paper strength resins can improve the binding strength between fibers and reduce paper surface’s electrical charge. At the same time, they can improve absorption of the long fibers and thereby enhancing paper’s wet strength and drainage. Wet paper strength resins also prevent ......

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PARAFORMALDEHYDE

Chang Chun Group has been producing paraformaldehyde since Oct. 1983. Due to our paraformaldehyde is mainly in a granular format with consistent quality, it is easy to handle and transport. Because of excellent solubility and broad applicability, it is used in products such as synthetic resin, phenolic resin, ......

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FLOCCULANTS

Our flocculants are specially designed for the treatment of various types of industrial wastewater, such as municipal or paper industry wastewater. When added into turbid water suspended with particles, flocculants neutralize the electric charges of polymeric particles suspended in the water and promote adsorption and ......

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DRY PAPER STRENGTH RESINS

Polyacrylamide resins are suitable for near-neutral papermaking conditions. The resins can be set only with a small amount of alum complex. Dry paper strength resins can improve selected paper properties, including the bursting strength and ring crush strength.

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HYDROGEN PEROXIDE

Hydrogen peroxide is a colorless transparent liquid with a slight odor of ozone and can be mixed with water in any proportion. Its molecular formula is H2O2 (with molecular weight of 34). Hydrogen peroxide is an economical chemical that is widely used in various industries, such as: ......

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POLYVINYL ALCOHOL

Polyvinyl alcohol (PVA), a white/yellowish granule or powder, is a stable, non-toxic, and water-soluble polymer. PVA possesses good film-forming property, and the film formed from it has excellent adhesion, solvent-resistance, abrasion-resistance, high tensile strength, and great oxygen barrier property. ......

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POLYVINYL ACETATE EMULSION

Polyvinyl acetate emulsion is a thermoplastic polymer. Because of its excellent adhesion and convenience, it is widely used as adhesive for paper and woodwork. It is even used as a household adhesive/glue after re-packaged into smaller containers.

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HDPE DRUM

The unique characteristics of Chang Chun’s HDPE drums are that they are approved by the UN, MIPI (International Packaging Association), and is also ISO 9002 certified. Our drums are corrosion-resistance, which means that the goods contained in them will not be subject to the risk of contamination as result of erosion caused by ......

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ACRYLAMIDE

Our acrylamide aqueous solutions are produced by having acrylonitrile undergoing through hydration reaction. Our acrylamide solutions are extremely stable and have excellent quality. Polymeric and copolymeric products made from acrylamide are widely used for paper chemicals, coagulants, adhesives, petroleum engineering, ......

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