EVATHENE® UE649-04

乙烯醋酸乙烯共聚物

USI Corporation

产品说明:

EVATHENE UE649-04 is a high flowability and medium VA content ethylene vinyl acetate copolymer (EVA) with many excellent properties, such as characteristic flexibility and elasticity, thermal stability, good low temperature resistance, good compatibility, resistance to blocking and non-toxicity, etc.
It possesses excellent heat stability, flexibility and good compatibility with tackifier resins and petroleum wax. The characteristics stated make EVATHENE UE649-04 to be the popular one of EVA for making hot melt.
The hot melt made by EVATHENE UE649-04 adheres with other materials which possess good adhesive strength, easy coating and non-solvent fit the request of environment protection and the hot melt is suitable for packaging, wood-working and other product assemblies.

供货地区	亚太地区
特性	低温强度 高弹性 共聚物 抗结块性 良好的柔韧性 良好粘结性 流动性高 热稳定性，良好 无毒性
用途	包装 粘合剂
加工方法	Heat Reactive Adhesive Hot Melt

物理性能	额定值	单位制	测试方法
密度	0.934	g/cm3	ASTM D1505
熔流率（熔体流动速率）	400	g/10 min	ASTM D1238
醋酸乙烯含量	19.0	wt%

机械性能	额定值	单位制	测试方法
抗张强度 (断裂)	427	psi	ASTM D638
伸长率 (断裂)

 

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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