Evateno® HM-728
乙烯醋酸乙烯共聚物
Braskem
产品说明:
Evateno ® HM 728 is a copolymer of Ethylene-Vinyl Acetate (EVA) with high vinyl-acetate content, medium molecular weight, and good compatibility with other thermoplastic and elastomeric resins. Evateno ® HM 728 offers good compatibility with other olefin resins and can be used in blends with other polyethylenes to improve environmental stress cracking resistance (ESCR), impact resistance and brittleness at low temperatures. It contains antioxidant additive.
Application:
Hot-melt adhesives, coatings, expanded parts, and injection molded and extrusion molded parts where flexibility, resilience and environmental stress crack resistance (ESCR) are required. Hot-melt adhesives formulation presents excellent compatibility with wax, paraffins and tackfiers, improving flexibility and adherence.
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单位制 |
测试方法 |
比重 |
0.953 |
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ASTM D792 |
熔流率(熔体流动速率) (190°C/2.16 kg) |
6.0 |
g/10 min |
ASTM D1238 |
抗环境应力开裂 (122°F, 0.0787 in, 100% Igepal, 模压成型, F50) |
> 300 |
hr |
ASTM D1693 |
醋酸乙烯含量 |
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乙烯-醋酸乙烯共聚物简称EVA,一般醋酸乙烯(VA)含量在5%~40%。与聚乙烯相比,EVA[1]由于在分子链中引入了醋酸乙烯单体,从而降低了高结晶度,提高了柔韧性、抗冲击性、填料相溶性和热密封性能,被广泛应用于发泡鞋料、功能性棚膜、包装膜、热熔胶、电线电缆及玩具等领域。
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Evateno EVA HM-728 中等分子量 高抗应力开裂 抗撞击 耐低温冲击 高弹性 流动率6 VAC含量28 硬度80A Braskem