Is there a difference between plastic bottles and plastic bottles?


Author: mgg-Plastic bottle manufacturer

In the eyes of the industry, plastics and plastic are a thing. In the past, the domestic factory is called a plastic plant, while the Hong Kong and Taiwan regions said that the plastic plant is a plastic company. Some of the three-funded enterprises in China are basically hanging on the brand of the ** Plastic ** Co., Ltd..

It is not possible to understand plastic and rubber from the literal. There are differences in speeches and mainland in Hong Kong and Taiwan, such as panda, Taiwan called "Cats]. Concept of plastic raw materials 1. The main ingredients of plastic raw materials are graphite 2. Plastic raw materials: It is a main component of polymer synthetic resin (polymer), penetrating into various auxiliary materials or additives, under specific temperatures, pressure, plasticity and The fluidity can be molded into a shape, and the shape of the constant shape is maintained under certain conditions. 3. Polymer: refers to the pure material or polymeric material produced by the polymerization process. Whether natural resin is still a synthetic resin High molecular sense polymer, referred to as high polymer. 4. Plastic pair of electricity, heat, sound has good insulation: electrical insulation, arc resistance, insulation, sound insulation, sound absorbing, absorbing, exclusive performance excellence. Plastic raw material plastic Most of the raw materials are refined from some oils. The most familiar part of the PC is extracted from oil, and the PC material has a gasoline when it is burned; ABS is refined from coal, ABS is burning It will be a sootype when it is lost, and the POM is refined from natural gas, and the POM will have a very stinky gas flavor when burning. Plastic raw materials simple identification method of plastic recognition method usually uses appearance and use, density testing, softening point or melting point, combustion test, comprehensive identification method identification, the following introduction to several common ways to learn: ◎ Use of plastic products Background knowledge is very difficult. But if the source of the sample is known, the differential scope of the use of the situation is greatly reduced. ◎ The flammability of the material is related to the elements contained. - Carbon, chlorine, sulfur, etc. - halogen, phosphorus, nitrogen, boron and other flames are usually related to the elements of yellow-only carbon, hydrogen, such as PS blue-only oxygen-containing plastics. Such as POM green-chlorine-containing plastic, such as PVC white-combustion intense plastic, such as nitrocellulose, etc., the characteristics of general plastic raw materials A. Plastic raw materials are thermally expanded, the current is much larger than metal; b. General plastic raw materials The stiffness is lower than the metal low a number; C. Mechanical properties of plastic raw materials will be significantly decreased under long-term heat; D. General plastic raw materials are long-term force under normal temperature and lower than its yield strength, will occur, will occur; e The plastic raw material is very sensitive to the gap damage; f. Mechanical properties of plastic raw materials are usually much lower than metal, but some composite materials are higher than metal, if the product design is reasonable, it will make more advantageous Sex; g. Generally enhances the mechanical properties of plastic raw materials to be anisotropy; h. Some plastic raw materials will absorb the humidity, and cause dimensions and performance changes; i. Some plastics are flammable; j. The fatigue data of plastic raw materials is still very small. It is necessary to consider using the requirements. Plastic raw materials classification plastic raw materials mainly have thermoplastic and thermosetting plastic scores in accordance with synthetic resins: for thermoplastic refers to repeated heating, there is still plastic plastic: mainly PE / PP / PVC / Common raw materials such as PS / ABS / PMMA / POM / PC / PA. The thermosetting plastic mainly refers to the hydraulizing synthetic resin made of plastics, like some phenolic plastic and amino plastics, is not commonly used. Mainly in accordance with the application range [1] PE / PP / PVC / PS, etc. Sexually prepared plastic. Material utilization and color treatment 1. Most of the plastic raw materials can be recyclable, but due to the use of plastic (water outlets), only the new material (raw material) is used together, the proportion is the largest It should not be more than 25% is suitable. It should be based on customer requirements. Various types of plastic material is different from the melting point required, and the injection molding pressure is different. It is not confusing in production. 2. Because plastic products should be with colors In line with, the plastic raw materials can be divided into: pumping materials, color powder, color seed, and recent plus liquid coloring in plastic raw materials. Equation feedstock is mixed into raw materials in the pigment, each plastic The material has been colored, so the color of the product is stable and uniform. The color powder and the color seed are color The use or toner mixing raw material is used, and there is low cost, and there is no need to store a large number of colored raw materials. But the color is unstable, it is difficult to control uniformity in production. According to the thermal performance and processing of thermoplastics: heat softening and repeatedly heat formation PVC plastic, polypropylene plastic thermosetting plastic: Repalatinous molded type such as phenolic plastic after heat curing, urealamp, is used to be used for general plastic: production is large, polyethylene, polypropylene, polyvinyl chloride engineering plastic such as polycarbonate , Polysulfone, polyphenylene ether, polyamide, polyoxyolydehyde special plastic such as medical plastic, conductive plastic, high temperature resistant plastic.

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