Overview
UV-resistant TPV is a dynamically vulcanized alloy of polypropylene (PP) and ethylene-propylene-diene monomer (EPDM) rubber, enhanced with stabilizers to counteract UV degradation. Unlike conventional TPVs, this variant incorporates additives like hindered amine light stabilizers (HALS) or carbon black, which absorb or scatter UV radiation. The material retains the processability of thermoplastics while offering rubber-like elasticity, making it a sustainable alternative to thermoset rubbers. Originally developed for automotive exterior parts, modern formulations now serve industries requiring long-term outdoor exposure. Manufacturers often customize the blend’s hardness (Shore A 40–90) and UV protection level based on end-use requirements. Its recyclability aligns with circular economy initiatives, though reprocessing may reduce UV resistance marginally.
Physical and Chemical Properties
UV-resistant TPV exhibits a balanced profile of mechanical and environmental resistance. Typical tensile strength ranges from 5–15 MPa, with elongation at break exceeding 300%. The material maintains flexibility down to -40°C and resists oils, acids, and alkalis. Key to its performance is the UV stabilizer package, which can withstand 1,000+ hours in QUV accelerated weathering tests without significant cracking or fading. Thermal stability allows continuous use up to 110°C, though prolonged UV exposure at elevated temperatures may accelerate aging. Electrical insulation properties (volume resistivity >10¹³ Ω·cm) make it suitable for cable sheathing. Unlike PVC, it contains no halogens, meeting RoHS and REACH compliance standards.
Main Applications
The automotive sector consumes over 60% of UV-resistant TPV, primarily for window seals, sunroof gaskets, and underhood components. In construction, it replaces EPDM in roofing membranes due to easier installation and weldability. Consumer applications include garden tool grips and sports equipment where color retention matters. Emerging uses include solar panel junction box seals, where UV resistance and thermal cycling durability are critical. Medical-grade variants (ISO 10993 compliant) are employed in wearable device straps. The material’s ability to be overmolded onto rigid substrates like polycarbonate expands design possibilities for integrated weatherproof assemblies.
Safety and Storage
While generally safe, processing UV-resistant TPV above 200°C may release volatile organic compounds (VOCs). Facilities should use local exhaust ventilation, especially when laser marking or hot cutting. Finished products pose minimal risk, passing skin irritation and oral toxicity tests per ISO 10993. Storage recommendations emphasize protection from moisture absorption (max 0.1% water content before processing) and heat. Bulk bags should be kept on pallets away from direct sunlight. Shelf life typically exceeds 12 months if stored properly. Recycling scraps requires drying at 80°C for 2–4 hours to prevent voids in reprocessed parts.
B2B Procurement Guide
When sourcing UV-resistant TPV, specify the required UV exposure level – Class A (severe outdoor) typically requires 5% carbon black loading, while Class B (moderate) may use organic UV absorbers for colored formulations. Request certified test reports for tensile properties after UV aging (e.g., 75% retention after 1,000 hrs QUV). For injection molding applications, verify the material’s melt flow index (MFI 5–30 g/10min at 230°C) matches your equipment. Bulk orders (20+ metric tons) often qualify for 8–15% discounts. Consider suppliers with in-house compounding capabilities for custom hardness or color matching. Audit their stabilizer supply chain to avoid shortages of critical additives like Tinuvin or Chimassorb.
Related Manufacturers
- 主营：防火阻燃PC、PA66、ABS、TPU、POM、PBT、PP、HDPE、工程塑料
- 主营：碳纤增强PA66、防静电导电尼龙、PPS、PEI、PEEK、黑色加纤PEI、pps塑胶、咖啡色pps、黑色pps、pps塑料、lcp塑胶、环保pps、lcp塑料、pa6塑胶、pei塑胶、耐磨pa6、pa66塑胶、导电peek、pa9t塑胶、pa6t塑胶、高温pa6t
- 主营：塑料颗粒、尼龙、POM、ABS、PA66、PA6、PC、PBT、EVA、HDPE、日本宝理、美国杜邦、日本东丽、德国巴斯夫、台湾奇美、台湾台塑
- 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：氟材料、工程塑料、热塑性弹性体
- 主营：PA12、POM、PC、PA66、PTFE、PFA、ETFE、PBT、TPEE、PA11、TPV、EVA、PPSU
- 主营：tpu德国、758塑料、阻燃abs、紫外线pc、抗紫外线、pa66塑料、高透明pp、聚碳酸酯、阻燃尼龙、尼龙塑料、abs再生料、黑色防火、增强尼龙、塑料颗粒、透明pc塑胶、阻燃pc塑胶、食品pp塑胶、纯树脂尼龙
- 主营：玻璃矿物、POM塑胶原料、PA66塑胶原料、tpv121、LCP塑胶原料、PA12塑胶原料、PA6塑胶原料、ABS塑胶原料、PC/ABS塑胶原料、PPO塑胶原料、PMMA亚克力、PA9T工程塑料、PBT工程塑料、沙林料、PC塑料、PVA降解塑料、TPU弹性体、TPEE塑胶原料
- 主营：中空板、改性料、弹性体、新材料、板材料、应用材料、模塑材料、导电材料、颗粒料、聚丙烯、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：塑胶原料、美国杜邦、LCP塑胶原料、弹性体材料、POM塑胶原料、PA66塑胶原料、进口工程塑胶原料、工程塑料、合金塑料、PC塑料、聚甲醛、尼龙、PA66、铁氟龙、COC塑胶原料、PC塑胶原料、马来酸酐接枝塑胶原料、金属粘结塑胶原料、铝铁金属牢固粘结塑胶原料、食品级聚烯烃塑胶原料、新能源铝塑膜粘结聚烯烃塑胶原料、马来酸酐接枝原料
- 主营：性好pom、pps1141l4、pa12-l25z、紫外线、抗翘曲、sk-矿物、pom-100af、pps-wl-30、pc-ak3040、旭化成、pom-100pe、pa66tr382、abspa-727、pps-z-240、pom-500al、阻燃pbt、pom-lt350、pom-m270s、黑色pom、pbt-sk601、pbt-sk602、瑞士ems、pbt-sk605、舒尔曼、pmma-80eb
- 主营：PA66原料、无卤阻燃PA66、PA6改性料、TPV材料、工程塑料、阻燃PA66、改性塑料、改性尼龙、特种塑料、PEEK原料、PPS原料、PA6原料、TPEE塑料、PEI改性料、TPE、TPU、导电防静电塑料、PEEK板棒、PEI板棒、铁氟龙原料、3D打印耗材、PSU、PPSU、PES、PEEK粉末、导电塑料
- 主营：PC聚碳酸酯、PEEK塑胶原料、尼龙6、抗UV级TPV、尼龙66、POM聚甲醛、LCP塑胶原料、POK塑胶原料、EVA塑胶原料、ABS通用料、PPS聚苯硫醚、PPSU聚苯砜、PA6德国B3WG6、PMMA亚克力、PA6德国B30S、PC/ABS合金料、PFA AP-210、AC3100、PA66杜邦101L、PCTA塑胶原料、TPU1185A10、TPU 1190A、TPEE杜邦6356、SURLYN沙林料、COC E48R、POM 100P塑料
- 主营：特种工程塑胶原料、合金塑料、热塑弹性体塑胶原料、降解塑料、基础创新、杜邦、韩国LG、德国科恩创、德国朗盛、日本大金、日本帝人、瑞士EMS、日本可乐丽、法国阿科码、日本宝理、日本旭硝子、日本瑞翁、美国泰科纳、美国苏威、美国科慕、日本驻友化学、日本三菱工程、韩国工程
- 主营：PA66、PA6、PEEK、PA12、PPA、PEI、TPEE、TPE、TPU、TPV、改性尼龙、PA612、PPS、LCP、PA6T、PA46、导电防静电塑料、防静电塑料、PEI塑料、耐高温塑料、耐磨塑料、塑胶原料、PPS塑料、PEEK塑料、PA66塑料