What is the difference between plastic and plastic?
Release time:
2021-11-13 16:19
Source:
Www.jiafa-plas.com
introduction of 1. plastic:
1) The main component of plastic raw materials is resin, which is mainly composed of polymer synthetic resin. It is a material that enters various auxiliary materials or additives. It has plasticity and mobility under specific temperature and pressure, and can be molded into a certain shape. Under certain conditions, the shape remains unchanged;
2) Plastic has good insulation to electricity, heat and sound: electrical insulation, arc resistance, heat preservation of modest plastic products, sound insulation, sound absorption, vibration absorption, and excellent noise reduction function.
3) Most of the plastic raw materials are extracted from some oils. The most familiar part of PC material (polycarbonate plastic) is extracted from petroleum. PC material smells of gasoline when burned. ABS (acrylonitrile-butadiene-styrene copolymer plastic) is extracted from coal. ABS of Dongguan keqian plastic products co., ltd. will be in the form of soot when it is burned out; POM (polyoxymethylene plastic) is extracted from natural gas. POM will have a very smelly gas smell when it is burned out.
introduction of 2. plastic:
1) plastic raw materials are heated and compressed, and the linear expansion coefficient is much larger than that of metal;
2) The stiffness of general plastic raw materials is an order of magnitude lower than that of metal;
3) The mechanical function of plastic raw materials will be significantly reduced under long-term heat;
4) general plastic raw materials at room temperature and below the yield strength of the stress under temporary force, will show permanent deformation
5) plastic raw material wholesale is very sensitive to notch damage;
6) The mechanical function of plastic raw materials is usually much lower than that of metal, but the specific strength and specific modulus of some composite materials are higher than that of metal. If the product is planned reasonably, it will be more advantageous;
7) generally enhance the mechanical function of plastic raw materials is the opposite sex;
8) Some plastic materials will absorb moisture and cause changes in size and function;
9) Some plastics are flammable.
3. the difference between the two
Plastic does not belong to plastic, but its main component is resin, and the main component of plastic is resin, the two only main components are the same, not the same thing.
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Uses: Widely used in machinery, instrumentation, auto parts, electronic and electrical, railways, home appliances, communications, textile machinery, sports and leisure products, oil pipes, fuel tanks and some precision engineering products. Electronic appliances: connectors, winding spools, timers, protective cover circuit breakers, switch housing cars: cooling fans, doorlevers, fuel tank covers, air intake grille, water tank protective covers, lamp holders industrial parts: chair seats, bicycle frames, skate bases, textile shuttles, pedals, sliding transmission; Classification: antistatic PA, conductive PA, fiberized fireproof PA, fireproof PA, UV-resistant weather-resistant PA, extrusion grade PA.
Plastic raw materials are divided into several
Testing of plastic raw materials 1. ABS plastic raw material (acrylonitrile-dibutylene-styrene) Styrene hot melt plastic. Hard plastic materials are opaque. Yellow flame, black smoke, water droplets burning, sour, rubber burning smell, the proportion of 1.04. Soluble in acetone, dichloroethane and three bromomethane. Slow burning, acid and alkali resistant, but stress cracking occurs when exposed to certain acids and organic solvents. Main uses: toys, casings, daily necessities; features: hard, not fragile, can be pasted, but may appear when damaged. Designed for use: mostly for toy shells or unstressed parts. 2. PC plastic raw material (polycarbonate) Engineering plastics have high hardness, high impact strength and high temperature mechanical properties. Hot melt plastic material, not easy to burn. Yellow flame, automatically extinguished. It has a faint phenolic odor. Melting point 430F, specific gravity 1.2. Soluble in methane chloride and ethane chloride. Optical clarity or tint formulations are suitable for lenses, goggles, electrical enclosures, hard hats and engineering equipment. 3. PE plastic raw material (polyethylene) Natural milky white, waxy; it burns fast, like a drop of wax. The flame is blue, the tip is yellow, with the smell of burning paraffin; the melting point of low-density polyethylene is 221f, the melting point of high-density polyethylene is 248F, and the ignition point is 645f; the specific gravity is less than 1, floating on the water; Soluble in cooked benzene and toluene, insoluble in other general solvents. 4. PP plastic raw material (polypropylene) Harder than PE steel; yellow sharp blue flame burns slowly, smell similar to diesel and toxic smoke; melting point is about 334f; specific gravity is 0.906, floating on water, soluble in hot benzene; main uses: toys, daily necessities, packaging plastic bags, bottles; its characteristics: good elasticity, strong toughness, good ductility, but not easy to bond.
PU how to prevent carbonization
Antibacterial TPE is the abbreviation of Thermo plastic Urethane, and its Chinese name is thermoplastic polyurethane elastomer. Because TPU has the characteristics of high tension, high tension, toughness and aging resistance, it is widely used in medical and health, electronic appliances, industrial and daily necessities, and is a mature environmental protection material. According to the processing method can be divided into injection molding grade, extrusion grade, blow molding grade TPU. In the production and processing, the normal processing temperature of TPU is between 170-220 degrees, which belongs to the heat-sensitive material after being decomposed into flowing water at high temperature, and the adhesion to metal is strengthened, which is very troublesome for cleaning after carbonization. The production temperature is also very limited, many in the processing of TPU materials have encountered carbonization problems, most of them will be cleaned by dismantling the screw. Dismantling the screw is a common method for many companies at present, but there is actually a simpler method when the manpower and material resources are so high. Screw cleaning material also came into being. In view of the problem of TPU black spots, TPU special screw cleaning material can be used for cleaning, and the chemical active substances added in the plastic can be fully released within a certain temperature and time, so that the resin adhering to the surface of the screw and the barrel can be separated from the metal surface, and then brought out by the rotation of the screw, which is convenient, simple and quick to use. Welcome to discuss together
TPU is different in elastomer products.
DONGGUAN JAHA PLASTIC MATERIAL CO., LTD For TPE and TPU, they are two common types of thermoplastic elastomer materials, these two materials have similarities in performance, but in the basic characteristics are more reflected in their own characteristics, which also provides more possibilities for the choice of materials. What are the differences between TPE and TPU in terms of characteristics? The differences between TPE and TPU in elastomer products are as follows: Transparency: The transparency of TPU is better than that of TPE, and it is not as easy to stick as transparent TPE. Oil resistance: TPU oil resistance is better, and TPE to achieve oil resistance is a certain degree of difficulty. Proportion: The proportion of TPE varies widely, from 0.89 to 1.3, while TPU is between 1.0 and 1.4. In fact, they are used in the process, mainly in the form of blends, so the proportion of large changes. Temperature resistance: TPE is -60 degrees Celsius to 105 degrees Celsius, TPU is -60 degrees Celsius to 80 degrees Celsius. The difference between TPE and TPU in elastomer products will be explained here. TPE can be regarded as the general name of all thermoplastic elastomers. TPU is thermoplastic polyurethane elastomer. From this perspective, TPU is only one of thermoplastic elastomers TPE.
Dongguan Jiaifa Plastic Raw Material Co., Ltd. (abbreviated as: Jiaifa), specializing in plastic raw materials, is a plastic enterprise integrating plastic raw material trade, production, research and development, color matching, and storage, and is equipped with a professional management system and R & D team., Production equipment, testing equipment, escort the needs of customers. Can provide customers with plastic raw materials related integration solutions. It has made achievements in the fields of plastic-related antibacterial, infrared penetration, thermal conductivity, electrical conductivity, antistatic, laser engraving, light guide, shading, UV resistance, glass fiber reinforcement, mineral reinforcement, toughening and other functional plastic materials. All products have passed Rohs,REACH,CP65 and other environmental protection certification. Main business: main business: antibacterial PBT, antibacterial EVA, antibacterial PS, antibacterial TPU, antibacterial TPE, antibacterial TPV, antibacterial PET, antibacterial PMMA, antibacterial POM, antibacterial AS, antibacterial ASA, antibacterial PP, antibacterial PE, antibacterial PA, antibacterial PC, antibacterial PETG, etc.
JiaFa®Antibacterial POM antibacterial properties
Its products can effectively inhibit harmful microorganisms, and the antibacterial rate is as high as 99.9%. Such as bacteria (Staphylococcus aureus, Streptococcus faecalis, Escherichia coli, Pseudomonas aeruginosa, Klebsiella pneumoniae, etc.), fungi (Aspergillus niger, Aureobacterium pullulans, Chaetomium globulans, Trichoderma viride, Penicillium pine, etc.), fungi, molds and yeasts (Candida albicans, Pityrosporum osum, etc.). 2. It has ocean resistance and can effectively inhibit algae reproduction. Such as algae (fragrant orange algae, alpine group cysts, four spore green algae, Hershey's pseudo-branch algae, micro-collection algae, etc.). 3, the original mechanical properties of the plastic basically does not affect. Such as (transparency, hardness, impact, tensile, fracture, bending, dielectric, fire protection...) JiaFa®Antimicrobial plastics can effectively protect the entire end product from microbial/algal growth, such as product failure, deformation, cracking, weight loss, odor, and permanent staining due to biological/algae. jiafa plastic to provide you with a full range of antibacterial plastic integration solutions.