ABS (acrylonitrile-butadiene-styrene copolymer)

plastic-raw-materials

ABS (acrylonitrile-butadiene-styrene copolymer)



Typical Applications:

Automobiles (auto parts, dashboards, exterior panels, interior panels, instrument panels, steering wheels, soundproof panels, door locks, bumpers, fenders, ventilation pipes, tool hatches, wheel covers, reflector boxes, etc.), electronic appliances (refrigerators, televisions, radios, washing machines, air conditioners, vacuum cleaners, computers, photocopiers, etc.), heavy-duty tools (hair dryers, mixers, food processors, lawn mowers, etc.), telephone cases, typewriter keyboards, recreational vehicles such as golf carts and jet sleighs), and building materials (pipes, joints, sanitary wares, decorative boards, etc.), packaging (bags, boxes, containers, etc.), furniture, sports and entertainment supplies (shoes, toys), machinery and instrumentation industries (gears, armrest, blades, bearings, handles, instrument shells, basins, helmets, etc.). 

 

Injection Molding Process Conditions:

Drying treatment: ABS material has hygroscopicity and requires drying treatment before processing. Recommended drying time lasts for at least 2 hours within the temperature range of 80 ~ 90. The dried moisture should be less than 0.1%.

Melting temperature: 210 ~ 280 (Recommended temperature: 245).

Mold temperature: 25 ~ 70.(Mold temperature will affect the smoothness of plastic parts, and low temperature will lead to low smoothness).

Injection pressure: 500 ~ 1000 bar.

Injection speed: medium to high speed.

 

Chemical and Physical Properties:

ABS is synthesized from acrylonitrile, butadiene and styrene. Each monomer has different characteristics: Acrylonitrile has high strength, thermal stability and chemical stability; Butadiene has toughness and impact resistance; Styrene is easy to process, with high finish and high strength. ABS is amorphous material in morphology. The polymerization of three monomers produces a terpolymer with two phases: one is the continuous phase of styrene-acrylonitrile, and the other is the dispersed phase of polybutadiene rubber. The properties of ABS mainly depend on the ratio of the three monomers and the molecular structure in the two phases. This allows great flexibility in product design and produces hundreds of ABS materials of different qualities in the market. These different qualities of materials provide different characteristics, such as middle to high impact resistance, low to high finish, and high temperature distortion performance. ABS material has superior machinability, appearance characteristic, low creep property, excellent dimensional stability and high impact resistance, and thus the most popular engineering plastics in people’s life.

 

 


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