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Helmet ABS Material Description
Addtime:2010-1-27   Clicks:1296

Chemical Name: acrylonitrile - butadiene - styrene copolymer
English name: Acrylonitrile Butadiene Styrene
Weight: 1.05 grams / cubic centimeter molding shrinkage rate 0.4-0.7%
Molding temperature :200-240 ℃ drying conditions :80-90 ℃ 2-hour working temperature: -50 ~ +70 ℃

A comprehensive performance is better, higher impact strength, chemical stability, good electrical properties.
2, and 372 of the melting plexiglass good, made of two-color plastic parts, and can be chrome plated, spray-paint treatment.
3, there are high-impact, high heat resistance, flame retardant, enhanced level of transparency and so on.
4, mobility was almost more than HIPS than PMMA, PC and so good, flexibility is good.
Uses: suitable for production of general machinery parts, reducing wear wear-resistant parts, transmission parts and telecommunication parts.

Forming characteristics:
1. Amorphous materials, liquid medium, moisture large, must be fully dry the surface gloss of the plastic parts required to be a long warm-dry 80-90 degrees, 3 hours.
2. Advised to take the high-temperature materials, high mold temperature, but the expected high temperature and easy decomposition (decomposition temperature is "270 degrees). Pairs of high precision plastic parts, mold Wenyi take 50-60 degrees, high gloss. Resistance thermoplastic parts, mold Wenyi take 60-80 degrees.
3, To solve the clip Watermark, need to improve material flow, is expected to take a high-temperature, high mold temperature, or to change into the water and other methods.
4, such as forming heat-or flame-retardant grade material, production and 3-7 days after the remnants of plastic mold surface decomposition, leading to mold surface shiny, should take time to clean up mold, and mold surface, the need to increase the exhaust position.
ABS resin is the output of the largest and most widely used polymers, it PS, SAN, BS a variety of properties of organically united, both tough and hard, just relative to the fine balance of mechanical properties. ABS is acrylonitrile, butadiene and styrene terpolymer, A representative of acrylonitrile, B on behalf of butadiene, S on behalf of styrene.
ABS engineering plastics are generally opaque, the appearance of pale ivory, non-toxic, tasteless, both tough, hard, just features, burning slowly, the flame was yellow, with black smoke, burning plastic, after softening, charred, issue a special the cinnamon smell, but no melt dripping behavior.
ABS engineering plastic with excellent overall performance, with excellent impact strength, dimensional stability, electrical properties, wear resistance, anti-chemical nature, dyeing, processing and mechanical processing better. ABS resin, water, inorganic salts, alkalis and acids, insoluble in most alcohols and hydrocarbon solvents, and easily soluble in aldehydes, ketones, esters and certain chlorinated hydrocarbons.
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