Elvax® 3170

Ethylene Vinyl Acetate Copolymer

DuPont Packaging & Industrial Polymers

产品说明：

DuPont™ Elvax® 3170 is an extrudable ethylene-vinyl acetate copolymer resin available in pellet form for use in conventional extrusion equipment designed to process polyethylene resins.
Composition

• 18 % 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 film equipment over a wide range of film thickness and blow-up ratios. It can also be co-extruded with a variety of other polymers. This resin is typically used as low temperature seal layer in co-extruded films.

物性信息：

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
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

物理性能	额定值	单位制	测试方法
比重	0.940	g/cm3	ASTM D792, ISO 1183
熔流率（熔体流动速率） (190°C/2.16 kg)	2.5	g/10 min	ASTM D1238, ISO 1133
醋酸乙烯含量	18.0	wt%

热性能	额定值	单位制	测试方法
维卡软化温度	65.0	°C	ASTM D1525, ISO 306
熔融峰值温度	87.0	°C	ASTM D3418, ISO 3146
Freezing Point 1
--	68	°C	ASTM D3418
--	68	°C	ISO 3146

挤出	额定值	单位制
熔体温度	< 230	°C

备注
1 .	DSC