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FAQ

What type of raw material for plastic straw?

The plastic is made of monomers as raw materials, polymer by polyaddition or polycondensation polymerization (macromolecules), commonly known as plastic resin (plastics) or (resin), can freely change the composition and form style, composed of synthetic resin and filler, plasticizer, stabilizer, lubricant, pigment and other additives.

What are the raw materials for producing plastic films?

Plastic film raw materials are: PVC, polyethylene, polypropylene, polystyrene and other resins.

What is plastic material E-PET?

I'm in the chemical industry.PET is polyester. Never heard of the E PETI doubt if you said that the E-PET E is not an abbreviation for electric, an insulating PET that can be used to make PET electrical insulating films.

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

Engineering plastics are a type of plastics, as well as general plastics.Like everyday things, what barrels, pots, plastic, etc?.

What does MFI mean in PC material?

The measurement of MI is usually based on the standard method of ASTM D1238. It is the principle of the plastic or resin into the metal sleeve of a fixed inner diameter, and heating the plastic or resin after melting, and then give some load on the piston, the piston on the weight of the molten plastic has been squeezed out from a small hole in the charge, and calculate the weight and squeezed out of plastic. This measuring method, because of the same material, the sleeve barrel inner diameter, load, and temperature are fixed, so in addition to test MI, can also be used for the determination of density, viscosity, and melt shear rate, shear stress... etc.

Is plastic raw material rubber?

The difference between the plastic and the rubber is plastic or not, but because of thermosetting plastics, this definition is not comprehensive. Another difference is whether the elastic body, but because of the appearance of thermoplastic elastomer, this definition is not comprehensive. In general, rigid high molecular material thermoplastic processing, sure is a plastic elastomer; and thermosetting rubber must be classified. The more ambiguous reference history. Silicone rubber and polyurethane is thermosetting elastomer rubber, is, but completely different from natural rubber. There is a part of polyurethane is thermosetting plastics, even thermoplastics, composition, structure and it depends on the characters.

Plastic raw materials packaging is generally divided into several categories?

1, cattle cardboard fiber bag; "such as: GPPS, HIPS CMO ABS, are using this package, he is in some plastic packaging,2, fiber bags, plastic bags, such as PP or PVC, PE and so on3, plastic bags, Exxon, Teijin etc.4, plastic bags contain tin and platinum paper, for sealing requirements or moisture absorption of the material packaging5, kraft paper bags, PBT, PET, PPS, PA and so on

What is the raw material used in the production of plastic products?

The poisonous and harmful substances produced by plastics of this kind of material come from 2 aspects. One is the single molecule vinyl chloride which is not completely polymerized in the process of production, and the other is the harmful substance in the plasticizer (two). These 2 substances in the high temperature and fat when easy to precipitate, toxic substances enter the human body with food, easy to cause cancer. At present, the containers for this material are less used for packaged food. If the family has this kind of material, don't let it heat.