三元乙丙和三元乙丙橡胶从20世纪50年代末，60年代初开发成功以来，世界上又出现了多种改性乙丙橡胶和热塑性乙丙橡胶（如EPDM/PE），从而为乙丙橡胶的广泛应用提供了众多的品种和品级。改性乙丙橡胶主要是将乙丙橡胶进行溴化、氯化、磺化、顺酐化、马来酸酐化、有机硅改性、尼龙改性等。乙丙橡胶还有接枝丙烯腈、丙烯酸酯等。多年来，采用共混、共聚，KEP330、填充、接枝、增强和分子复合等手段，获得了许多综合性能好的高分子材料，KEP330，KEP330。乙丙橡胶通过改性，也在性能方面获得很大的改善，从而扩大了乙丙橡胶应用范围。
Our production plant is located surrounding the petrochemical plant. We have the advantage of raw material supply. Using the advantage of petrochemical resources, relying on the full understanding of customer requirements and the accurately application of the product function, we will provide the most suitable products to meet the customers own needs. We have the ability to help customers improve the quality and producing process. Quality, service, and value are the management idea of Junyichem. Let the customer benefit from our products and professional services. that is Junyichem's commitment. While adhering to the principle of sustainable development Junyichem provide high quality chemicals and services in
KEP 等级 油类 (每***橡胶) 门尼粘度 (ML1+4@125℃) 含量 (重%) 乙烯含量 (重%) 产品外形 *1) 共聚物 KEP-020P 25?*2) - 71 P KEP-070P 69?*2) - 71 P 三元共聚物 低度二烯 KEP-435 34 2.3 57 B 中度二烯 KEP-240 42 4.5 57 B KEP-270 71 4.5 57 B KEP-510 23 5.7 71 B KEP-570F 59 4.5 70 FB KEP-570P 53 4.5 52 P KEP-7141 27 4.5 52 B KEP-281F 83*3 5.7 67 FB KEP-1030F 86*3 4.5 62 FB KEP-901 100 50*3 4.8 70 B KEP-960(F) 50 49*3 5.7 70 B,FB KEP-980 75 58*3 4.5 70.5 B 高度二烯 KEP-321 30 9.5 52 B KEP-330 28 7.9 57 B KEP-350 56 7.9 57 B KEP-650 49 8.7 59 B KEP-650L 41 8.7 59 B
