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Manufacturer of plastic extrusion method process
by：CSSSLD
2021-01-23
Extrusion molding is in extruder, through heat, pressure and make the material to flow continuously by a certain shape and the mouth of mold and molding plastic products of a processing method.
Extrusion molding accounts for a large proportion in the field of plastic processing, around the world more than 60% of the plastic products is produced by extrusion forming.
Nearly all thermoplastics can use extrusion molding processing, in recent years, with the development of the extrusion molding equipment, extrusion molding are also used in some other solid sex plastic processing.
Extrusion molding for product cross section is made of the characteristics of a certain size of row materials, such as plastic special-shaped material, plastic, plastic sheet, film, monofilament, electric wire electric cable, and extrusion of plastic parison, etc.
LiuYanFa is a method of preparing thin film. When manufacturing, will first liquid resin or dispersion is dispersed in carrier ( General metal belt) , then use appropriate methods to its maturation, finally can wring from the carrier film. Preparation of high performance out of the stretch film can be combined thermal processing plastic sheets.
heating extruding machine, granule, powder, crushing material or back mixing, vent, and then from the slit die in extruding under pressure. According to the plastic type and the thickness of the material, heat of the extrudate was led out and finalize the design, or into the synchronous rotating traction roll of cooling ( Roll cooling process) 。 Extrudate through a cooling section, then cutting edge, coiling. Cut sheet according to the specifications. Single and composite molding materials can be produced. The general function of extrusion production materials ranging from 0. 1 mm thick film to 50 mm thick x2000mm wide sheet, even width is 5000 mm.
using extrusion LiuYanFa machinable material such as PP, PS, CPS, HIP5 of monolayer and multilayer or with EVOH, PA barrier property co-extrusion composite multilayer plastic thermoforming sheet.
stretch film plastic thermoforming sheet is mainly used in the production of thin, vacuum thermoforming products processing, can also be positive pressure on the thermoforming machine with stretch film sheet processing plastic lid, stretching the larger square or circular plastic cups, can also be used in pressure on the thermoforming machine of processing all kinds of food tray, clean vegetables. Such as PP thermoforming sheet can be used to stretch processing jelly cup, pudding cup, disposable cup, dish, bowl, cover and frozen food packaging lining. PS stretch thermoforming sheet machinable stationery, toys, industrial parts shell packaging. In PP/EVA/EVOH/EVA/PP structure for material LiuYanFa thermoforming sheet processed into the container, have cut off oxygen, carbon dioxide and water vapor through the role. Can prolong the service life of product and can be used for food packing, jelly pudding.
LiuYanFa is a method of preparing thin film. When manufacturing, will first liquid resin or dispersion is dispersed in carrier ( General metal belt) , then use appropriate methods to its maturation, finally can wring from the carrier film. Preparation of high performance out of the stretch film can be combined thermal processing plastic sheets.
heating extruding machine, granule, powder, crushing material or back mixing, vent, and then from the slit die in extruding under pressure. According to the plastic type and the thickness of the material, heat of the extrudate was led out and finalize the design, or into the synchronous rotating traction roll of cooling ( Roll cooling process) 。 Extrudate through a cooling section, then cutting edge, coiling. Cut sheet according to the specifications. Single and composite molding materials can be produced. The general function of extrusion production materials ranging from 0. 1 mm thick film to 50 mm thick x2000mm wide sheet, even width is 5000 mm.
using extrusion LiuYanFa machinable material such as PP, PS, CPS, HIP5 of monolayer and multilayer or with EVOH, PA barrier property co-extrusion composite multilayer plastic thermoforming sheet.
stretch film plastic thermoforming sheet is mainly used in the production of thin, vacuum thermoforming products processing, can also be positive pressure on the thermoforming machine with stretch film sheet processing plastic lid, stretching the larger square or circular plastic cups, can also be used in pressure on the thermoforming machine of processing all kinds of food tray, clean vegetables. Such as PP thermoforming sheet can be used to stretch processing jelly cup, pudding cup, disposable cup, dish, bowl, cover and frozen food packaging lining. PS stretch thermoforming sheet machinable stationery, toys, industrial parts shell packaging. In PP/EVA/EVOH/EVA/PP structure for material LiuYanFa thermoforming sheet processed into the container, have cut off oxygen, carbon dioxide and water vapor through the role. Can prolong the service life of product and can be used for food packing, jelly pudding.
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