Overview
Impact-resistant PC/ABS is an engineered thermoplastic alloy that synergizes the superior mechanical strength of polycarbonate (PC) with the processability and cost efficiency of acrylonitrile butadiene styrene (ABS). Developed to address the limitations of pure PC (brittleness at low temperatures) and ABS (lower heat resistance), this blend is a staple in industries demanding durability and design flexibility. The material is typically produced via twin-screw extrusion, ensuring homogeneous dispersion of ABS domains within the PC matrix. Grades are tailored through additives like impact modifiers, UV stabilizers, or halogen-free flame retardants to meet specific industry standards such as automotive OEM specifications or UL certifications.
Physical and Chemical Properties
PC/ABS exhibits a unique balance of properties: tensile strength ranges from 45–60 MPa, while notched Izod impact resistance typically exceeds 500 J/m (ASTM D256), making it 5–10x tougher than standard ABS. Its heat deflection temperature (HDT) under load (1.82 MPa) is 90–110°C, outperforming ABS by ~30°C. Chemically, the blend resists dilute acids, alkalis, and aliphatic hydrocarbons but may stress-crack in contact with ketones or esters. UV-stabilized grades retain 80% of mechanical properties after 1,000 hours of QUV exposure. Rheological properties allow injection molding at 230–270°C with low warpage, suitable for thin-walled components.
Main Applications
In automotive engineering, PC/ABS is the material of choice for dashboard components, door handles, and pillar trims due to its passenger safety compliance (e.g., low smoke emission) and Class A surface finish capability. Electronics manufacturers utilize flame-retardant grades (UL94 V-0) for laptop housings and power adapters. The medical sector employs gamma-ray-sterilizable grades for equipment housings, while consumer goods leverage its scratch resistance for vacuum cleaner parts and appliance controls. Emerging applications include 5G antenna housings, where its RF transparency and weatherability are advantageous.
Safety and Storage
While PC/ABS pellets are stable at room temperature, prolonged exposure to humidity (>0.1% moisture content) can cause hydrolysis during processing, leading to degraded mechanical properties. Industrial users should store materials in sealed containers with desiccants and pre-dry at 80–100°C for 2–4 hours before molding. Thermal degradation above 300°C releases trace amounts of styrene and bisphenol A. Facilities must install fume extraction systems and enforce OSHA-compliant ventilation. Spills of pelletized material require no special protocols beyond standard plastic waste disposal, but powdered material demands respiratory protection during cleanup.
B2B Procurement Guide
Industrial buyers should prioritize suppliers with ISO 9001-certified compounding facilities and batch traceability. Key specifications to request include melt flow index (MFI) at 250°C/5 kg (typically 10–30 g/10min), multi-axial impact test data (ASTM D3763), and RoHS/REACH compliance documentation. For cost optimization, consider regional pricing variations: Asian-sourced PC/ABS often offers 10–15% savings but may lack OEM approvals. Just-in-time procurement is advisable due to price volatility in benzene and propylene feedstocks. Technical support for mold flow analysis and gate design should be included in premium supplier contracts.
Related Manufacturers
- 主营：聚苯并咪唑、全氟无定型氟树脂、聚酰亚胺、铁氟龙材料、PFA材料、导电材料/防静电材料、PA66材料、ETFE材料、ECTFE材料、THV材料、Vespel材料、Torlon材料、PEEK材料、热塑性弹性体材料、全氟树脂溶液、科慕AF系列、PBI溶液、PI液体(聚酰亚胺清漆)、聚酰亚胺薄膜、杜邦PFA、耐磨塑料、PBI棒材/板材、大金PFA、旭硝子PFA
- 主营：PA66、PA12、PC、高流动性、ABS、POM、TPU、EVA、PBT、PPA、ASA、PC/ABS、PEEK、PPO、PPS、POE、TPEE、TPE、EAA、EMA、PPE、PET、PMMA
- 主营：PA66原料、PA6原料、POM原料、PA尼龙
- 主营：PA66、PA6、PPS、PPO、PEEK、POM、PEI、PA6/66、GPPS、HIPS、LCP、HDPE、LDPE、LLDPE、COC、COP、TPEE、TPE、TPV、SEBS、PP、PMMA、沙林树脂、TPU
- 主营：中空板、颗粒料、聚丙烯、新材料、改性料、弹性体、板材料、应用材料、模塑材料、导电材料、塑胶粒、再生料、加纤料、镭雕料、聚酰胺、塑料粒、包胶专、树脂料、抽粒料、硅胶料、防火abs、耐高温料、电线电缆、合金塑胶、耐候原料
- 主营：POM、PC、PBT、高流动性、LCP、EVA、HIPS、PA12、PA6、PA66、PET、POE、PMMA、PC/ABS、ABS、HDPE
- 主营：照明灯具、沙伯基础、增韧级尼龙单6、抗撞pc/abs、PMMA
- 主营：POM、TPV、ABS、EMA、PA、PBT、TPU、PPS、EEA、沙林、EAA、PA66、PA6、EBA
- 主营：POM杜邦500P、POM低声无噪音、PC高冲击、ABS抗冲击、PET杜邦FR515、ABS电镀级、ABS高流动PA-765A、塑胶原料、PC沙伯基础创新、PC耐寒、PC耐油、PCABS阻燃无卤V0、PPS日本宝理1140A6、PC科思创拜耳FR6002、PCABS科思创FR2000、PPS日本宝理1140L4、PPS日本宝理1140A1、PPS菲利普R-4-200NA
- 主营：POM、PA66、POE、工程塑料改性、各种进口工程塑料
- 主营：镜头料、喷涂粉、聚酰胺、绝缘材料、高抗冲纯树脂、摄像头、工程塑料、汽车齿轮、薄壁部件、镜头镜片、电子电器、飞机零件、电线电缆、喷涂涂层、流延薄膜、电气元件、线材板材、光学镜头、汽车部件、薄壁制品、镜头专用料、汽车电子部件、电动工具配件、照明灯具原料、精密仪器零部件
- 主营：工程塑料、特种塑料、索尔维、高流动性、苏威、巴斯夫、日本大金、美国杜邦
- 主营：PMMA亚克力、铬锆铜合金、铜铁磷合金、高抗冲击、TPU、铜镍硅合金、ABS、TPEE、耐磨耐腐蚀合金
- 主营：美国杜邦POM、沙伯基础PC、科思创PC/ABS、定制各种改性塑料、沙伯基础PC/ABS、科思创PC、日本帝人PC、韩国乐天ABS、三菱POM、日本油墨PPS、EMS PA12、伊士曼PCTG、阻燃尼龙、阻燃PC、阻燃PC/ABS、阻燃ABS
- 主营：工业用品、PVDF、PPSU