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Wood plastic, that wood plastic composite (Wood-Plastic Composites,WPC), is both at home and abroad in recent years boom rise of a new composite, refers to using polyethylene, and polypropylene and PVC,, instead of usually of resin adhesive, and over 35%-70% above of wood powder, and husk, and straw, waste fiber mixed into new of wood quality material, again by extrusion, and molded, and injection forming, plastic processing process, production out of plate or profile. Mainly used in building materials, furniture, logistics and packaging industries. Plastic and wood powders must be mixed by hot extrusion molding plate, known as the extruded wood-plastic composite Board.

Wood-plastic composite material containing plastics, so it has good elastic modulus. In addition, the inside fibers and plastic mix hardwood with a fair amount of compression, bending, and other physical and mechanical properties, and their durability is superior to ordinary wood materials. High surface hardness, generally wood of 2--5 times.


Can add some artificial zeolite of polymers, this aluminum silicate molecules capture the smell of powder can absorb the material. Crystallization of the powder in a large number of empty, adsorbent can capture the odor of small organic molecules. Molecules capture sorbent has been successfully used in the extrusion of polyolefin pipe, injection and extrusion blow molded containers, contact packaging materials, out of the packaging and sealing materials. Molecular adsorbent powder also can join the plastics as a desiccant to remove moisture.

Different sizes and shapes of products increases the diversity of wood-plastic composites.

When the profile does not require a continuous structure or parts with complex structure design, by injection molding or wood-plastic profile can be molded. Processors sometimes faced with wood-plastic materials processing problems how to complete filling in the process, in order to solve this problem, they need to reduce the amount of wood filler to increase the fluidity of melt.

Due to the 200 ° c operating temperature of wood-plastic composites processing an upper limit, some of the more than 200 ° c melting point resin, such as PET, it cannot be used in wood-plastic composites.

Moisture properties of deterioration but also helps breeding microbes, so water vapor must be removed before using wood filler. Wood filler to dry before processing, General requirements of moisture content is lower than 1~2%.

Wood-plastic composite material processing mechanical requirements with a feeding equipment, drying equipment, extrusion and molding equipment, there is a need of downstream equipment such as cooling water boxes, traction equipment, and cutting equipment.