Overview
Toughened grade elastomers are engineered polymers that combine elasticity with enhanced mechanical strength, achieved through chemical modifications or physical blending with impact modifiers like rubber particles. These materials bridge the gap between rigid plastics and conventional elastomers, offering superior crack resistance under dynamic loads. Originally developed for automotive bumpers in the 1980s, modern formulations now serve industries requiring durability under cyclic stress. Common base polymers include thermoplastic polyurethanes (TPU), styrene block copolymers (SBC), and ethylene-propylene-diene monomer (EPDM) rubber blends.
Physical and Chemical Properties
The mechanical performance of toughened elastomers stems from their biphasic microstructure, where dispersed rubber domains absorb impact energy while the rigid matrix maintains shape. Typical hardness ranges from Shore 60A to 55D, with elongation at break exceeding 300% in optimized formulations. Chemically, these materials exhibit excellent resistance to oils, ozone, and weathering when properly compounded. Additives like carbon black or silica further enhance UV stability. Rheological properties are carefully balanced to allow injection molding or extrusion processing at 180–230°C.
Main Applications
In automotive manufacturing, toughened elastomers are used for suspension bushings, CVJ boots, and interior trim components due to their vibration damping properties. Construction applications include expansion joints and waterproofing membranes where thermal cycling resistance is critical. The footwear industry utilizes these materials for outsoles and midsole components, capitalizing on their abrasion resistance. Industrial equipment manufacturers specify toughened grades for conveyor belts, gaskets, and shock-absorbing pads in heavy machinery.
Safety and Storage
While generally classified as non-hazardous, processing at high temperatures may release volatile organic compounds (VOCs). Adequate ventilation and personal protective equipment (PPE) such as N95 masks are recommended during handling. Storage requires protection from moisture absorption, which can cause processing defects. Original packaging should remain sealed until use, with a recommended shelf life of 12–24 months when stored below 30°C. Bulk containers require nitrogen purging to prevent oxidative degradation.
B2B Procurement Guide
Industrial buyers should prioritize suppliers with ISO 9001 certification and material traceability documentation. Technical datasheets must specify key parameters: tensile strength (≥15 MPa for most applications), compression set (<30% after 22hrs at 70°C), and low-temperature flexibility (passing -40°C tests for Arctic use). Volume discounts typically apply at 20-ton quantities, with lead times of 4–8 weeks for custom formulations. Consider regional availability of raw materials—Asian suppliers often specialize in SBC-based grades, while European producers lead in high-performance TPU blends.
Related Manufacturers
- 主营：pp阻燃剂、pp流动剂、塑料抗氧剂、POE弹性体、PA尼龙增韧剂、PBT/PET增韧剂、PP聚丙增韧剂、POE塑料原料
- 主营：[]
- 主营：防火abs、PP、尼龙、HDPE、LDPE、巴塞尔、晓星、台塑、大林
- 主营：塑料颗粒、PA6、POM、聚烯烃弹性体POE、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：pom、杜邦pom、宝理pom、旭化成pom、巴斯夫、pom100p、聚甲醛共聚物、赛钢聚甲醛原料、pom500p、pom900p、奇美abs、浙石化、中石化、pvdf、PCTG、PARA、沙伯基础、pmma、pps、日本东丽pa66、云天化、科思创TPU、陶氏POE、埃克森美孚POE、美国苏威
- 主营：镜片料、聚苯砜、聚丙烯、热塑性弹性体、聚甲醛、PA66、PA6、PPS、PBT、POM100p、Pom500p、Pom900p、M90-44、F20-03、pa9t、TPU、PPSU、PEEK、PVDF、PPA、PMMA、HIPS、LDPE、HDPE、赛刚pom
- 主营：防火阻燃PC、PA66、ABS、增韧级弹性体原料、TPU、工程塑料POM、PBT、PP、HDPE、工程塑料
- 主营：PC/ABS、PC、POM、HDPE、LDPE、PFA、POE、PA6、PP、PPA、EVA、PVDF、PPS、PA12、POK、PBT、TPU、PEEK、PA66、PET、PEI
- 主营：POM杜邦、POM宝理、PA66巴斯夫、增韧级弹性体、PA66杜邦、PBT巴斯夫、PA66东丽、POM100P、POM500P、EVA日本三井、EVA杜邦、PBT基础创新、PA6日本宇部、PA66、POM、PC、PBT、PP、德国巴斯夫、美国杜邦、日本东丽、POM可隆、德国朗盛、科思创、沙伯基础、POMM90-44
- 主营：塑胶原料、美国杜邦、LCP塑胶原料、弹性体材料、食品级聚烯烃塑胶原料、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、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：PC塑胶原料、PBT塑胶原料、PA66塑胶原料、POM食品级、K胶SBC增韧、ABS电镀级、ABS塑胶原料、PC防静电、PC耐高温、PC耐油、PA66、POM、ABS台湾奇美、PA66美国杜邦、PA66德国巴斯夫、POM美国杜邦、PET美国杜邦、PP高冲击、PC科思创拜耳、PP高流动、PP超高温、PC基础创新塑料、POM云天化
- 主营：POM、PC、PBT、吹塑级、LCP、EVA、HIPS、PA12、PA6、PA66、PET、POE、PMMA、PC/ABS、ABS、HDPE
- 主营：透明abs、阻燃abs、白色再生、ps增韧料、特级k树脂、再生颗粒、钛白阻燃、黑色再生、透明920白、粉碎k树脂、自产k树脂、再生阻燃pc、环保阻燃pc、白色阻燃pc
- 主营：tpu德国、500pnc010、润滑剂、330注塑、奶瓶料、尼龙双、纯树脂、100alnc010、peek英国、pctg韩国、透明薄膜、食品包装、降解材料、家电外壳、翘曲玻纤、薄壁部件、照明灯具、钛白板材、塑料玩具、包装餐具、马达外壳、三井化学、电子电器、塑胶颗粒、降解塑料
- 主营：塑胶原料、PA66、PA6、POM、PBT、PC、PC/ABS、LCP、PPO、PPS、PPA、PA12、PA11、PE、ABS、PP、HDPE、LDPE、PEEK、POK、PC/PBT、PMMA、PEI、PA46
- 主营：ABS、POM、PC/ABS、吹塑级、PBT、PA66、PEEK、POE、PP、PA6、PC
- 主营：Pa66、通用塑料、工程塑料、弹性体、聚丙烯、聚乙烯、POM、聚甲醛、亚克力、EVA、PP、PC、LDPE、LLDPE、TPE、TPEE、TPU、PC/ABS、粉料、GPPS、HDPE、PBT、SEBS、PETG、PA12