Key principles.
Tough thermoplastic
ABS = acrylonitrile (rigidity) + butadiene (toughness) + styrene (gloss). Versatile workhorse.
UTS 40 MPa, density 1.05
Good impact strength, dimensional stability, easy to machine and finish.
Injection 220-260°C
Easy to mold. Wide processing window. Pre-dry 80°C × 4 h required.
Consumer, electronics
LEGO bricks, automotive trim, electronics housings, appliance parts.
PC-ABS blend
Polycarbonate-ABS blend offers higher strength + heat resistance.
Mid-priced
~$3-4/kg material. Mid-range for engineering plastic.
FAQ
Best balance of cost, processability, mechanical properties, and aesthetic. Easily painted, plated, glued, machined. Mainstream consumer plastic.
Standard ABS yellows in UV. Use UV-stabilized grade or apply UV-blocking paint for outdoor.
Service temperature up to ~80°C. Above that, consider PC-ABS, PC, or higher-grade.
Good vs alcohols, oils, dilute acids. Poor vs ketones, esters, aromatic solvents.
Wide range — pre-colored compound or in-machine masterbatch. Pantone matching standard.
Injection economical above 1000 pcs/year. Aluminum tooling 5-10K shots, steel tool 100K+.
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