美国杜邦EVA 3190高含量低流动性EVA 专业供应EVA树脂 基本信息 添加剂 抗氧化性热稳定剂 特性 低温热封性共聚物抗氧化性良好的热封性良好的柔韧性热稳定性食品接触的合规性 用途 包装薄膜流延薄膜 机构评级 FDA 21 CFR 177.1350(a)(1) 形式 粒子 加工方法 薄膜挤出吹塑薄膜共挤薄膜共挤出成型 乙烯醋酸乙烯共聚物 DuPont Packaging & Industrial Polymers 产品说明: DuPont™ Elvax® 3190 is an extrudable ethylene-vinyl acetate copolymer resin available in pellet form for use in conventional extrusion e designed to process polyethylene resins. Composition 25 % By Weight Vinyl Acetate comonomer content Thermal Stabilizer: BHT antioxidant Applications This resin is designed to provide a low temperature heat seal to itself or many other materials commonly used in flexible packaging applications. The melt properties of this resin allow it to be processed on blown or cast and cast coextrusion film e over a wide range of line speeds and film thicknesses. It can also be coextruded with a 物理性能 额定值 单位制 测试方法 比重 0.950 g/cm³ ASTM D792, ISO 1183 熔流率(熔体流动速率) (190°C/2.16 kg) 2.0 g/10 min ASTM D1238, ISO 1133 醋酸乙烯含量 25.0 wt% 热性能 额定值 单位制 测试方法 维卡软化温度 52.0 °C ASTM D1525, ISO 306 熔融峰值温度 77.0 °C ASTM D3418, ISO 3146 Freezing Point 1 -- 55 °C ISO 3146 -- 55 °C ASTM D3418 挤出 额定值 单位制 熔体温度 < 230 °C