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EVA 40L-03 窄分子量分布食品级

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主营产品：塑胶原料、塑料制品

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基本参数

Elvax® 40L-03

乙烯醋酸乙烯共聚物

DuPont Packaging & Industrial Polymers

产品说明:

DuPont™ Elvax® 40L-03 is an ethylene-vinyl acetate copolymer resin for use in industrial applications.

The melt index is consistent because resin molecular weight distribution is controlled to within a relatively narrow range. The molecular weight is high for this family of copolymers, so finished products will be relatively resistant to mechanical damage and elevated temperatures.

Compared with other ethylene/vinyl acetate copolymers, Elvax® 40L-03 contains extremely low amounts of gel, or high-molecular-weight polymer, that can cause undesirable characteristics in finished products.

Because Elvax® 40L-03 is somewhat crystalline, it is free flowing and does not mass during handling.

Uses

Industrial Applications z

Wire & Cable Applications

Wire Jacketing

Composition

40 % By Weight Vinyl Acetate comonomer content

Thermal Stabilizer: BHT antioxidant

Features

High Molecular Weight, High Viscosity

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 industrial applications: http://www2.dupont.com/Elvax/en_US/tech_info/index.html

Elvax®40L-03 is especially well suited for use in jacketing compounds for automotive ignition and low-smoke cables, and as strippable semiconductive shields for power cables.

In these applications, the relatively narrow molecular weight distribution and the low gel properties help ensure that compounds will be consistent and finished products will be smooth-surfaced. Smooth, glossy surfaces are desirable because they can imply quality, while uniformity can enhance long-term performance.

Power cable semiconductive shields made with Elvax®40L-03 also benefit from the consistency of their compounds and low gel content. Any inconsistency in shields can lead to cable failure.

产品说明

Power cable semiconductive shields made with Elvax®40L-03 also benefit from the consistency of their compounds and low gel content. Any inconsistency in shields can lead to cable failure.

总体

材料状态

已商用：当前有效

供货地区

北美洲

非洲和中东

拉丁美洲

欧洲

亚太地区

添加剂

抗氧化性

热稳定剂

特性

半结晶

低速凝固晶点

高分子量

共聚物

抗氧化性

热稳定性

食品接触的合规性

优良外观

窄分子量分布

粘度，高

用途

电线电缆应用

电线护套

复合

工业应用

混合

密封剂

汽车领域的应用

粘合剂

机构评级

FDA 21 CFR 177.1350 (d)

形式

粒子

加工方法

吹塑成型

电线&线缆挤出成型

复合

挤出

结构发泡成型

泡沫处理

片材挤出成型

压缩模塑

注射成型

物理性能	额定值	单位制	测试方法
比重
--	0.969		ASTM D792
--	0.967	g/cm3	ISO 1183
熔流率（熔体流动速率） (190°C/2.16 kg)	3.0	g/10 min	ASTM D1238, ISO 1133
醋酸乙烯含量

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。

如未找到您合适的型号,或者有工程技术方面的疑问，欢迎来电来人至我公司咨询,本公司工作人员竭诚为您服务!

邓生手机:15995594155

电话:0512-53128920

传真:0512-53128921

Q Q:3378023070

邮箱:hc15995594155@126.com

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