台塑EVA技术指标

Grade Name Injection、Foaming Powder coating Hot melt grade 7340M 7440M 7240M 7350M 7360M 7470M 7310M 7320M 7920M 7670H 7970H Properties Unit Method 　 　 　 　 　 　 　 　 　 　 　 Melt Index MI2.16 g/10min ASTM D1238 2.5 4.0 1.5 2.5 2.0 4.0 0.9 0.7 80 20 150 Density g/cm3 ASTM D1505 0.934 0.934 0.935 0.938 0.941 0.948 0.930 0.933 0.93 　 　 Vinyl Acerater content % 　 14 14 15 18 21 26 9 14 8 28 28 Thermal properties 　 　 　 Melting point oC DSC 90 90 87 84 80 76 93 98 96 　 　 Brittleness point oC ASTM D746 <-70 <-70 <-70 <-70 <-70 <-70 <-80 <-80 <-70 　 　 Softrning point oC ASTM D1525 70 70 65 60 58 48 80 75 70 　 　 　 　 　 　 Tensile strength at yield Kg/cm2 ASTM D638 80 60 55 45 40 30 60 70 15 　 　 Tensile strength at break Kg/cm2 ASTM D638 140 150 150 150 180 140 150 160 80 　 　 Elongation at break % ASTM D638 700 700 700 800 800 800 750 700 600 　 　 Flexural modulus Kg/cm2 ASTM D790 230 230 210 150 150 70 800 600 300 　 　 Hardness Shord A ASTM D2240 96 94 92 88 86 82 95 92 96 　 　 Hardness Shord D ASTM D2240 45 43 42 38 36 32 42 40 45