Polyethylene Geogrid

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FAQ

Does plastic raw material ENBA have toughening effect?

EMA can be used as toughening agent for alloy such as PBT/PC and PC/ABS.

PVC what chemicals do you need for plastic surface treatment?

At present, the use of petroleum as raw materials of plastics, fibers, synthetic rubber and other synthetic organic polymer materials is increasing, and is still growing rapidly. But in actual use, people gradually found that this kind of material has many problems such as surface, low surface hardness and poor barrier property, difficult printing, difficult bonding, electrostatic, biocompatibility and poor surface, these problems not only seriously influence the performance of these products, but also greatly limits its application to further expand the market the.

How many types of plastic materials are there?

There are many kinds of plastics. So far, there are about more than 300 kinds of plastic produced in the world. Many classification methods of plastic, there are two kinds of commonly used: 1, according to the nature of the heated plastic divided into thermoplastic and thermoset plastic molecular structure are linear structure, softening or melting when heated, plastic into certain shape, after cooling and harden. After heating to a certain extent, it softens again and hardens again after cooling. This process can be repeated many times. Such as PVC, polyethylene, polystyrene and so on. Thermoplastic molding process is relatively simple, can be continuous production, and has a high mechanical strength, so the development of very fast. The molecular structure of thermosetting plastics is the body structure, softening also occurs in heated, can plastic into a certain shape, but is heated to a certain extent or amount of curing agent, hardened stereotypes, re heating will not soften and change the shape of the. Thermosetting plastic processing, molding, the heat is no longer softening, and therefore can not be recycled, such as phenolic plastics, amino plastics, epoxy resin, etc. belong to this kind of plastic. Thermosetting plastic forming process is more complex, so continuous production has some difficulties, but its good heat resistance, not easy to deformation, and the price is relatively low.

What are the plastic bags made of?

Barrels are usually produced in HDPE, and as for plastic bags, these materials can be made, including polypropylene. Relatively soft is made of high pressure material, relatively hard bag is made of low pressure material, hard and quite, is PP do. Linear low density polyethylene has a strong tear resistance and is generally improved by adding a certain percentage to high pressure polyethylene. The requirements are not too high to add some recycled materials and should be appropriate to reduce the cost of filling masterbatch.

Will plastic raw materials (such as PET, PP, etc.) be made of non-woven fabrics, will certainly contain BPA?

BPA doesn't come out of thin air. PC uses BPA as raw material, so it comes with a little bit. Most plastics do not contain bpa. If you need to verify, you can test it and then ask the supplier to verify it. The electronic industry has done so, every level to find upstream suppliers signed a certificate of protection. We should ensure that mobile phone materials do not contain BPA, plasticizers and more than 150 substances.

What are the main biodegradable plastic bags made of?

The degradable plastic bags made of polyethylene and starch, but this can only be degradable plastic plastic degradation into smaller chunks of plastic, plastic compositions did not completely disappear, so its degradation is limited.

Commonly used plastic products, which are made of what raw materials, which can be recycled, I hope to get a professional answer in detail

In daily life, we can directly contact or perceived plastic, is the most common plastics routine, mainly include five categories: PE (polyethylene), PP (polypropylene), ABS (acrylonitrile butadiene styrene plastic), PVC (polyvinyl chloride), PS (polystyrene), these five categories accounted for plastics the vast majority of plastic raw materials used, the basic can be classified as special plastic varieties, such as: PPS (PPS), PPO (polyphenylene ether), PA (polyamide), PC (polycarbonate), POM (POM), they are in daily life in the small amount of the product, mainly used in industry and engineering the national defense science and technology and other high-end fields, such as automotive, aerospace, construction, communications and other fields.

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.