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Basic Parameters
Westlake ELEVATE EF437 EVA copolymer high transparency packaging grade ethylene-vinyl acetate copolymer (EVA)
ELEVATE® EF437 is Westlake（ Westlake 化学） production high transparency packaging grade EVA copolymer ， featuring 优异 transparent property 、 good 好 processing property 、广泛 compatibility 、优质热封 performance ， suitable for high transparency film 、热层压复合膜、 blow molding 制品、食品 and 消费品 packaging 等领域。该页面按同一蓝白详情页样式整理，方便直接 used for 产品资 material 展示。
一、产品基础参数
二、公开物 property 参数参考
三、产品核心 features 优势
四、主要 application areas
五、 molding process 参考
raw materials 干燥：60~70℃ 烘干 2~4h，EVA moisture absorption property 较低，但建议含水率控制 in 0.05% 以下，减少 film 表面缺陷 and bubbles 。
processing temperature ：建议 150~220℃，EF437 is 低 VA content EVA， processing temperature 接近 LDPE；避免高温长 time 滞留以防 material material 降解。
mold temperature ：吹膜 process in 冷却风环 temperature 需均匀控制，确保 film transparent degree and 厚 degree 均匀 property 。
process 说明：实际参数需结合产品 wall 厚、 film 厚 degree 、吹胀比 and equipment 塑化能力调整，量产前建议试模验证。
六、产品资质说明
Westlake（ Westlake 化学） 原装正牌 ELEVATE® EF437 EVA copolymer ，可根据采购 and 认证需求提供COA 物 property 单、MSDS、 food contact 合规声明、RoHS、REACH等资 material 。以上物 property is 公开资 material 典 type 值，实际选 material 请以原厂最新资 material and 试模验证 is 准。
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Product Features
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