EVA（CAS号： (CAS No.None)
- 物化性质
- EVA为乙烯-醋酸乙烯共聚物，外观为半透明至透明颗粒。随醋酸乙烯（VA）含量增加，结晶度降低，密度和柔软性增加，韧性、抗冲击性、填料相容性及热密封性能提高。具有优良的耐化学腐蚀性、弹性和低温性能。密度约0.92～0.96 g/cm³，熔融指数可依牌号调节。
- 技术参数
- 醋酸乙烯（VA）含量范围为5%～40%，不同含量对应不同应用领域。 密度约为0.92～0.96 g/cm³，随VA含量增加而增大。 熔融指数可按牌号调节，常见范围为1～20 g/10min。 具有优良的耐化学腐蚀性、弹性和低温性能。
English description（英文原文，共 1470 字符）
Product Name:Ethylene-Vinyl Acetate Copolymer
English Name:Ethylene-Vinyl Acetate Copolymer
CAS No.:24937-78-8
Aliases:EVA resin, Ethylene vinyl acetate copolymer
Molecular Formula:(C2H4)x(C4H6O2)y
Physical Properties:EVA is an ethylene-vinyl acetate copolymer, appearing as translucent to transparent pellets. As the vinyl acetate (VA) content increases, crystallinity decreases, while density, flexibility, toughness, impact resistance, filler compatibility, and heat-sealing performance improve. It exhibits excellent chemical resistance, elasticity, and low-temperature performance. Density is approximately 0.92–0.96 g/cm³, and the melt index can be adjusted according to grade.
Uses:EVA is widely used in foamed shoe materials (such as midsoles and soles of premium sneakers and sports shoes), functional greenhouse films, packaging films, hot-melt adhesives, wire and cable, and toys. Its foamed blends are soft, elastic, and chemical-resistant, and are also used in soundproof panels, gymnastic mats, sealing materials, solar cell encapsulation, and extrusion coating.
Technical Specifications:
Vinyl acetate (VA) content ranges from 5% to 40%, with different contents corresponding to different application fields.
Density is approximately 0.92–0.96 g/cm³, increasing with higher VA content.
Melt index can be adjusted by grade, with a common range of 1–20 g/10min.
Exhibits excellent chemical resistance, elasticity, and low-temperature performance.
English Name:Ethylene-Vinyl Acetate Copolymer
CAS No.:24937-78-8
Aliases:EVA resin, Ethylene vinyl acetate copolymer
Molecular Formula:(C2H4)x(C4H6O2)y
Physical Properties:EVA is an ethylene-vinyl acetate copolymer, appearing as translucent to transparent pellets. As the vinyl acetate (VA) content increases, crystallinity decreases, while density, flexibility, toughness, impact resistance, filler compatibility, and heat-sealing performance improve. It exhibits excellent chemical resistance, elasticity, and low-temperature performance. Density is approximately 0.92–0.96 g/cm³, and the melt index can be adjusted according to grade.
Uses:EVA is widely used in foamed shoe materials (such as midsoles and soles of premium sneakers and sports shoes), functional greenhouse films, packaging films, hot-melt adhesives, wire and cable, and toys. Its foamed blends are soft, elastic, and chemical-resistant, and are also used in soundproof panels, gymnastic mats, sealing materials, solar cell encapsulation, and extrusion coating.
Technical Specifications:
Vinyl acetate (VA) content ranges from 5% to 40%, with different contents corresponding to different application fields.
Density is approximately 0.92–0.96 g/cm³, increasing with higher VA content.
Melt index can be adjusted by grade, with a common range of 1–20 g/10min.
Exhibits excellent chemical resistance, elasticity, and low-temperature performance.
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常见问题
- EVA（CAS号：的 CAS 号是多少？
- EVA（CAS号：的 CAS 号是 None。
- EVA（CAS号：的分子式和分子量是什么？
- EVA（CAS号：的分子式为 (C2H4)x(C4H6O2)y。
- EVA（CAS号：的英文名称是什么？
- EVA（CAS号：的英文名称为 Ethylene-Vinyl Acetate Copolymer。
- EVA（CAS号：还有哪些别名？
- EVA（CAS号：又称 EVA树脂、乙烯-醋酸乙烯共聚物。
- EVA（CAS号：有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条EVA（CAS号：供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
- EVA（CAS号：的供应商主要分布在哪些地区？
- EVA（CAS号：的供应商主要分布在 上海市（1 条） 等地。
- EVA（CAS号：有哪些级别可选？
- 平台上EVA（CAS号：的供应级别包括 工业级。
- EVA（CAS号：的报价单位是什么？
- EVA（CAS号：的报价单位主要有 千克。
- 哪里可以查到EVA（CAS号：的价格？
- 掌上化工EVA（CAS号：产品页汇总了各供应商的最新报价与规格，地址：/chemicals/eva-cas-hao/。部分供应商价格为电议，可通过页面上的询价功能直接获取。
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