ABS vs. PC/ABS Blend: Material Selection for Consumer Electronics Housings
Published: 2026-06-04
ABS and PC/ABS blend occupy the same application space (consumer electronics housings) at different performance tiers. Pure ABS is 20-30% cheaper but has lower impact resistance and lower HDT. PC/ABS adds polycarbonate to raise the HDT from ~85°C...
ABS and PC/ABS blend occupy the same application space (consumer electronics housings) at different performance tiers. Pure ABS is 20-30% cheaper but has lower impact resistance and lower HDT. PC/ABS adds polycarbonate to raise the HDT from ~85°C to ~110°C and dramatically improve impact resistance — critical for portable electronics that are dropped. For high-volume, cost-sensitive products where impact and heat are not major concerns (toys, basic appliances), ABS is sufficient. For premium electronics where a drop onto concrete must not shatter the housing, PC/ABS is the standard.
Comparison at a Glance
| Material A | ABS (Acrylonitrile Butadiene Styrene) |
|---|---|
| Material B | PC/ABS Blend (50/50) |
| Polymer Type | Both amorphous blends |
| Tensile Strength A | 40 MPa |
| Tensile Strength B | 55 MPa |
| Cost Relative | PC/ABS 20-30% more than pure ABS |
| Best For A | Low-cost consumer goods, toys, appliance housings |
| Best For B | Laptops, smartphones, automotive interior trim |
Frequently Asked Questions
Can PC/ABS be painted or plated like ABS?
Yes, PC/ABS can be painted, chrome-plated, and metallized using the same processes as pure ABS. The PC content does not interfere with standard surface finishing. However, the higher processing temperature of PC/ABS (260-280°C vs 220-250°C for ABS) means mold surface finish specifications must account for the higher melt temperature to avoid surface defects.
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References & Industry Standards
- ASTM International. Standard Specifications for Engineering Plastics & Thermoplastics. astm.org
- UL Prospector. Plastics & Elastomers Material Database. ulprospector.com
- MatWeb. Material Property Data for Engineering Thermoplastics. matweb.com
- ISO 1043. Plastics — Symbols and Abbreviated Terms. iso.org