Overview
Impact copolymer (ICP) is a specialized form of polypropylene that incorporates ethylene segments into its polymer chain. This modification enhances its mechanical properties, particularly its impact resistance, without significantly compromising its stiffness. ICP is widely used in industries that require durable yet lightweight materials, such as automotive manufacturing and packaging. Unlike homopolymer polypropylene, ICP is engineered to absorb shocks and resist cracking under stress. This makes it a preferred choice for applications where durability and flexibility are critical. The material is typically supplied in pellet form, ready for injection molding or extrusion processes.
Physical and Chemical Properties
Impact copolymer exhibits a unique balance of physical and chemical properties. Its density ranges from 0.89 to 0.91 g/cm³, making it lighter than many engineering plastics. The material melts at 160-170°C and decomposes before reaching a boiling point, which limits its use in high-temperature applications. ICP is insoluble in water and most organic solvents, contributing to its chemical resistance. However, it may swell or degrade when exposed to strong oxidizing agents. The ethylene segments in the polymer chain provide rubber-like elasticity, while the polypropylene matrix maintains structural integrity.
Main Applications
The automotive industry is a major consumer of impact copolymer, where it is used for bumpers, dashboards, and interior trim components. Its ability to withstand impacts and resist fatigue makes it ideal for these applications. In packaging, ICP is used for containers, caps, and closures that require drop resistance. Consumer goods such as toys, housewares, and furniture also benefit from ICP's durability and cost-effectiveness. Industrial applications include pipes, fittings, and storage tanks where chemical resistance and mechanical strength are essential. The material's versatility allows it to replace more expensive polymers in many applications.
Safety and Storage
Impact copolymer is generally considered safe for handling and use. It is non-toxic and does not release harmful substances under normal conditions. However, overheating during processing can produce fumes that may irritate the respiratory system, so adequate ventilation is recommended. Storage conditions should be dry and cool, with temperatures below 30°C to prevent pellet sticking. Prolonged exposure to UV light can degrade the material, so it should be kept in opaque containers or bags. Proper labeling and segregation from incompatible chemicals are essential to maintain material quality.
B2B Procurement Guide
When procuring impact copolymer, buyers should specify key parameters such as melt flow index (MFI) and impact strength to ensure the material meets their application requirements. MFI values typically range from 10 to 50 g/10 min, with lower values indicating higher viscosity. Suppliers may offer different grades tailored for specific processing methods like injection molding or blow molding. Bulk purchases often attract discounts, but buyers should verify consistency in material properties across batches. Quality certifications like ISO 9001 can be indicators of reliable suppliers.
Related Manufacturers
- 主营：PP、ABS、PA66、PC/ABS、TPU、TPV、PBT、PC、POM、PPO
- 主营：PC、耐高温材料、ABS、PC/ABS、防火ABS、防火阻燃PC、PC防火阻燃V0抗UV、PA66、POM、PBT、PP、TPU、PBT 加纤防火、PA66 加纤防火、PA66 加纤
- 主营：改性塑料、塑胶原料、改性ABS、改性PC/ABS、PC/ABS、PC、POM、改性PA6、改性PA66、PPO、阻燃合金、阻燃ABS、PP、PA全系、改性PET、改性PC、ABS、PA6、PA66、PBT、HDPE、LDPE、PPS、PMMA、GPPS
- 主营：tpu、Eva、Pom、Pc/abs、Pa66、Lcp、Pa6t、Pa9t、Pa6、Poe、Hdpe、Ldpe、Lldpe、Pc、Hips、Pbt、Pctg、Abs、pp、Ppsu、Pps、Para、Tpee、Pa612、Pa12
- 主营：eva-g-mah、abs-g-mah、ul40028cc、ul02528cc、紫外线、改性剂、瓶盖垫、poe-g-mah、聚丙烯、eva三井、热熔胶、粘合剂、abs自产、3mtf-9208、ul00728cc、eva自产、ptfe微粉、epdm-g-mah、ul04533eh2、hdpe-g-mah、poliskc211、3mtf-9207z、手感pp料、lldpe-g-mah、塑料耐热
- 主营：PP、PPS、POM、共聚物pp塑胶原料、PA66、PA6、PE、LDPE、LLDPE、PEEK、EVA、PA46、PC、ABS、PBT、PPA、PPO、塑胶原料、工程塑料、进口塑胶原料
- 主营：防火阻燃PC、PA66、ABS、TPU、工程塑料POM、PBT、PP、HDPE、工程塑料
- 主营：POM、PPS、PA、PC/ABS、PP、PMMA、PE、PET、PC、ABS、PBT、LCP、PPA、TPU、PA66、塑胶原料、PEEK
- 主营：POM、ABS、PC、PP、德国巴斯夫、日本宝理、韩国SK、PA66
- 主营：F20-03、m90-44、m90-45、PC-1100、pom100p、pom500p、pom900p、云天化pom、宝理pom、旭化成pom、杜邦pom、巴斯夫pa66、杜邦pa66、聚甲醛原料、聚丙烯pp、埃克森美孚POE、美国苏威PPSU、科思创PC、沙伯基础PC、李长荣聚丙烯、路博润TPU、埃克森ldpe、巴塞尔ldpe、韩华ldpe、日本三菱pom
- 主营：PP、PE、ABS、POM、PC、POE、EVA、德国朗盛、美国杜邦、日本宝理pom、韩国LG、奇美abs、pom900p、工程塑料、PPO、TPU、PET
- 主营：POE、EVA、PA66、韩国乐天化学7523、PE、ABS、PP、LDPE、HDPE、PC、PA6、POM、PEEK、PVDF、PBT
- 主营：防火abs、PP、尼龙、日本住友化学、HDPE、LDPE、巴塞尔、晓星、台塑、大林
- 主营：塑料颗粒、PA6、POM、PC/ABS、日本宝理pps、PBT、Pom100p、Pom500p、Pom900p、M90-44、F20-03、ABS747、abs757、美国杜邦、德国巴斯夫、日本宝理pom、ASA、PMMA、PEEK、PCTG、PPA、PPSU、PVDF、POE、乐天PC-1100
- 主营：韩国乐天化学7523、pc、pps、PTFE