Geomembrane In Hdpe

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FAQ

Is plastic raw material rubber?

Raw materials are polymers of polymers such as polypropylene. Is generally from the fossil raw materials inside the extraction after polymerization together. A series of plastic refers to the resin as the main component, such as plasticizers, fillers, lubricants, additives such as colorants as auxiliary components, can flow in the process of forming materials. To put it simply, the oil was extracted and finally made into plastic, rubber and plastic

Do you have plastic materials that are low in price instead of ABS?

The H series of PP sells for only $13.5, and /KG and ABS are lower.

Plastic raw materials, why LDPE and LLDPE?

LDPE is low density polyethylene, that is, high pressure material; LLDPE is linear material.

Dissolve in 0.3 of the LDPE plastic raw materials what?

The molecular structure of the conventional LLDPE is characterized by its linear backbone, with only a few or no long branched chains, but contains some short branched chains. Without long branched chains, the crystallinity of polymers is higher.In general, LLDPE resins are characterized by density and melt index. The density is determined by the concentration of comonomer in the polymer chain. The comonomer concentration determines the short branch chain in the polymer. The length of the short branched chain depends on the type of comonomer. The higher the concentration of comonomer, the lower the density of the resin. In addition, the melt index is a reflection of the average molecular weight of the resin, mainly determined by the reaction temperature (solution method) and the addition of chain transfer agents (gas phase method). The average molecular weight is independent of the molecular weight distribution, and the latter is mainly influenced by the type of catalyst.

How do you increase the transparency and hardness of PP plastic suction pipes? What raw materials do you need to add?

First, the material selection should be correct. Generally speaking, it is better to choose PP with good transparency.

What do you mean by grade 1, class two or class three in plastic?

Three grade material refers to the raw material has been used two times or more times, the processing of particles, and its elasticity, toughness and other aspects are not very good.

What material is good for plastic bellows?

In the cases to recommend the use of PE (polyethylene) bellowsNo oxidizing acids, no environmental oils, vegetable oils, mineral oils, no organic solvents such as aliphatic hydrocarbons, aromatic hydrocarbons, ketones, esters, etc..Mainly used in the temperature range of -40 to 80 degrees Celsius environment; used in automobiles, motorcycles and other motor vehicle wire harness sheath; also used for household appliances, precision machine tools and other equipment wiring wire sheath.

What plastic materials need to be dried for injection molding products?.. How much is the temperature?

This is closely related to the temperature and the drying time, can also lower, then bake it for a long time, high temperature, can reduce the drying time, as long as the product does not appear to be silver, you should also work out rules according to the plastic particle type, saving energy, in line with the actual situation, and formulate a in order to control the process indexes.