日本三井食品级EVA 250 MI/15,VAC/15%含量 FDA21CFR177.1350认证 食品级
Elvax® 250
乙烯醋酸乙烯共聚物
DuPont Packaging & Industrial Polymers
产品说明：
DuPont™ Elvax® 250 is an ethylene-vinyl acetate copolymer resin for use in industrial applications.
Composition
28 % By Weight Vinyl Acetate comonomer content
Thermal Stabilizer: BHT antioxidant
Applications
Elvax® resins can be used in a variety of applications involving molding, compounding, extrusion, adhesives, sealants, and wax blends. For additional information and properties associated with specific applications, please refer to the Grade Selector Guides found on the Elvax® website for industial applications. http://www2.dupont.com/Elvax/en_US/tech_info/index.html
Elvax® 250 物性表
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| 形式 |
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| 加工方法 |
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| 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) | 25 | g/10 min | ASTM D1238, ISO 1133 |
| 醋酸乙烯含量 | 28.0 | wt% |
| 热性能 | 额定值 | 单位制 | 测试方法 |
|---|---|---|---|
| 维卡软化温度 | 42.0 | °C | ASTM D1525, ISO 306 |
| 熔融峰值温度 | 70.0 | °C | ASTM D3418, ISO 3146 |
| 注射 | 额定值 | 单位制 | |
|---|---|---|---|
| 加工（熔体）温度 | < 230 | °C |
| 挤出 | 额定值 | 单位制 | |
|---|---|---|---|
| 熔体温度 | < 230 | °C |