ABS flame retardant grade

ABS Introduction:

Chinese name ABS plastic

English name Acrylonitrile Butadiene Styrene plastic

Chemical name Acrylonitrile - Butadiene - Styrene plastic

Flame retardant ABS Features: ABS resin has excellent overall performance, its impact resistance, heat resistance, low temperature resistance, chemical resistance and electrical performance, but also has easy processing, product size and stability, good surface gloss characteristics, In addition to easy injection molding, extrusion, molding, but also the surface can be sprayed metal, electroplating, welding, bonding, painting, coloring and other secondary processing. ABS resin is a random, non-crystalline graft copolymer, can be directly injection, molding, extrusion into a variety of products; ABS with other thermoplastic engineering plastics, such as polycarbonate (PC), polyamide (PA) (PMMA), PVC, and PS can be improved by blending with styrene-methyl acrylate copolymer (SMA), polymethyl methacrylate (PMMA), PVC, and PS by blending with polybutylene terephthalate (PBT) Heat resistance, processing fluidity; can be made with glass fiber and nano-materials reinforced materials. ABS resin applications are flexible and diverse, as the engineering plastics high performance, general resin engineering indispensable materials, is widely used in electronic appliances, machinery, transportation, instrumentation, textile, construction, communications equipment, rubber and other modified field.

Flame retardant ABS performance:

ABS resin thermal stability is stable, ABS resin melting temperature range is wide, between 180 ℃ to 230 ℃, the decomposition temperature is greater than 250 ℃, different grades of ABS heat distortion temperature between 75 ℃ to 110 ℃. ABS resin at -40 ℃ can still show a certain toughness, can be -40 ℃ to 65 ℃ temperature range for long-term use. ABS has good rheological properties, ABS resin melt is non-Newtonian fluid, its applied shear force is more sensitive, there is shear thinning phenomenon; the same time, its flow behavior also has a certain dependence on temperature. Therefore, both the shear and the temperature will have an effect on the melt viscosity of the ABS resin. The decrease in viscosity contributes to the flow and filling of the plastic melt in the mold cavity. ABS absorbent properties, ABS resin molecular chain contains cyano, easy to absorb moisture in the air, at room temperature, the equilibrium water absorption of 0.2% to 0.35%. Although the water is present on the surface of the particles, it will not have a significant impact on the mechanical properties. However, if the moisture content exceeds 0.1% during the injection molding, the surface quality of the plastic parts will be deteriorated and prone to defects such as crazing and bubbles. So the resin for molding processing, must be dry in advance, and dry moisture content should be less than. 0.05%. For electroplating ABS, the surface quality of the workpiece is high, it is recommended to use a dehumidifier dryer for drying, the moisture content should be less than 0.02%.

Flame-retardant ABS molding:

ABS can be injection molding, extrusion molding, compression molding, blow molding and spraying and other molding methods. Injection molding is the main processing of ABS resin molding method. Injection molding equipment, including injection molding machines and other auxiliary equipment, such as dryers, suction machine, mold temperature and so on. ABS injection molding machine used for injection molding machine is generally horizontal screw injection molding machine, including injection system, mold clamping system, hydraulic transmission system and electrical control system four parts. ABS resin extrusion process in three stages. The first stage is plasticized, ABS plastic in the extruder after heating and mixing into a molten viscous fluid; the second stage is molding, that is, sticky flow of ABS plastic in the screw driven to a certain pressure and The speed of continuous through the extruder on the molding die, to obtain a certain shape of the continuum; the third stage is stereotypes, through the appropriate method of cooling, stereotypes, so that the shape of the continuum fixed to get the required products. ABS blow molding, including injection blow molding and extrusion blow molding two categories. ABS injection blow molding method generally produces small packaging products, such as the bottle has a thread and other sealing requirements of the cosmetic bottles, bottles, etc., this method is not accounted for in the proportion of ABS blow molding, extrusion blow molding ABS production of the current application Extensive, such as civilian large flower pots, water purification equipment, hollow tables and chairs, some parts of the car such as car seats, car ventilation pipe, car spoiler and so on.

Flame retardant ABS applications:

ABS is one of the most widely used engineering plastics. In China, ABS applications cover a wide range of deep into the electrical and electronic, automotive, machinery, light industry, aerospace, building materials and many other industries. ABS resin consumption structure, a large proportion of electrical and electronic appliances, mainly used in white goods such as LCD TV, refrigerator liner, washing machine panels, air conditioning panels, small appliances such as fans, vacuum cleaners, rice cookers, etc .; computer and communication equipment is The second largest demand industry, such as computer chassis, LCD monitors, network equipment, computer accessories, etc .; commercial equipment and office automation industry demand for ABS also accounted for a large proportion, such as printers, copiers, fax machines, shredders ; Automobile and motorcycle industry will become a new area of ​​growth in ABS consumption, motorcycle consumption in the field of general-based ABS, and the automotive field mainly in the form of ABS modified and its alloy used in automotive interior, exterior, And other components. China's ABS consumption for many years ranked first in the world, consumption accounted for more than 50% of global consumption. ABS resin has good mechanical properties and excellent molding processing characteristics, in the automotive industry has been widely used. Such as car interior trim panels, dashboards, sub-panels, sun visors, car exterior trim grille, rearview mirror, lights, license plate and so on. ABS plastic in the automotive products have a very important position.

Custom plastic

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