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FAQ

What material is plastic bag made of?

Polyethylene (Polyethylene, PE), referred to as PE. It is a high molecular organic compound which is made up of ethylene. Polyethylene is recognized as the best food for contact with food in the world. Non-toxic, tasteless, odorless, in line with food packaging hygiene standards. Polyethylene film, light and transparent, with moisture-proof, anti - oxygen, acid, alkali, air tightness, heat sealing and other outstanding performance. Known as "plastic flowers" laudatory title. It is the most important and most important material in plastic packaging and printing.

What is the essential difference between plastic raw materials and engineering plastics?

Engineering plastics generally have many properties that are not common in plastics. They are often used in construction machinery to replace certain metals.Plastic is resin and filler, so it is usually granular. Raw materials too. Only a few powdery.

Pollution in the production of plastic raw materials from petroleum production

Manufacturing process of resin is the number of small molecular materials (high molecular compound monomer, alkane, olefin, could also have liquid such as gasoline and diesel decomposed) by polymerization together into a polymer compound. The polymerization can be divided into polymerization and polycondensation according to the composition of monomer and the change of result.The reaction of monomer addition and polymerization is called polymerization. Condensation polymerization is the process of reaction, in addition to forming high polymer, but also produce water, alcohol, ammonia and other low molecular by-products. The composition of the polymer is different from that of the raw monomer. After polymerization, the polymers with large molecular weight can be obtained. Synthetic resins are polymers of high molecular weight. Resins can be divided into two categories according to their properties after heating: one is called thermoplastic resin, and the other is thermosetting resin. Thermoplastic resin after heating can soften, flow, repeatedly plasticization and molding, such as polyethylene, polypropylene, polystyrene, polyvinyl chloride, polyamide; thermosetting resin is soluble and fusible before processing, but in the heating, pressurizing and curing agent under the action can become insoluble and infusible, cannot be heated again softening products to curing, phenolic resin, urea formaldehyde resin, epoxy resin, unsaturated resin belongs to this kind of resin.

What are the specific differences between plastics and plastics?

Plastic has good insulation for electricity, heat and sound: electrical insulation, arc resistance, heat preservation, sound insulation, sound absorption, vibration absorption, noise elimination, and outstanding performance.

What is plastic film material?

The material is plastic particles. Polyethylene film is used for polyethylene particles; polypropylene film is polypropylene particles. Some of the films are blown out of film blowing machines; some are cast films and pressed out of the machine.

I'd like to know what PP plastic material is PP plastic raw materials cleaning can not use ultrasonic cleaning machine to wash it?

PP plastic raw materials have many kinds, different plastics, different surface dirt, cleaning method is not the same. In the manufacture of PP plastic raw material, the plastic surface will come with the dirt after processing. The very good market survey, some production factory cleaning PP plastic raw materials, generally with caustic soda, washing powder, detergent to wash these plastic, the effect is not ideal.

What type of raw material is used in plastic bags? The brightness is good. It blows out as bright as a mirror! That kind of transparency!

PE, the solute has high pressure and good transparency. I've seen a high transparent vegetable packing bag. That's a secret formula

What are the raw materials made of modified plastics?

Plastic modification is to petrochemical production out of large quantities of general resin through physical, chemical, mechanical, improve or increase their capabilities to special environmental conditions in electricity and magnetism, light, heat, aging resistance, flame retardancy, mechanical properties and other aspects of the use function. Modified plastics is a plastic industry involving a wide range of areas, high technology content, and the modification technology of plastics - filling, blending and modification is raw materials and processing plastic products into almost all of the. From the production of raw material resin to the modification of plastic masterbatch from various specifications and varieties, in order to reduce the cost of plastic products and improve their functionality, the plastic modification technology can not be separated