美国陶氏774R食品级挤出EPDM乙烯丙烯二烯三元共聚物，食品级，高分子量，半结晶，通过标准硫磺固化系统提供快速固化速率和高固化态，专为挤压应用，如型材和软管而设计。

美国陶氏EPDM 774R物性：

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产品说明：

EPDM 774R is a high molecular weight semi-crystalline grade and offers fast cure rates and high states of cure with standard sulfur cure systems. It offers high green strength and high extensibility. It is designed for extruded applications such as profiles and hoses. It is also suitable for molded goods. This grade is available in rod form for improved mixing speed and throughput.

Main Characteristics:

• Semi-crystalline

• Medium diene

• High molecular weight

• High green strength

Applications:

• Extruded profiles/weather strip

• General purpose hoses

• Coolant hoses

• General moldings

Notes:

• Can be used in contact with all foods except water in oil emulsions, high or low fat, and low moisture fats and oil.

• Adhesives only

Complies with

• U.S. FDA 21 CFR 177.2600

• U.S. FDA 21 CFR 177.1520

• U.S. FDA 21 CFR 175.105

• U.S. FDA 21 CFR 177.1210

Consult the regulations for complete details.

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EPDM 774R 物性表

基本信息

机构评级	FDA 21 CFR 175.105 FDA 21 CFR 175.1520 FDA 21 CFR 177.1210 FDA 21 CFR 177.2600
形式	粒子

物理性能额定值单位制测试方法

比重	0.870	g/cm³	ASTM D297
门尼粘度 (ML 1+4, 125°C)	65 到 75	MU	ASTM D1646
乙烯成份	68.0 到 72.0	wt%	ASTM D3900
亚乙基-降冰片烯含量	4.5 到 5.3	wt%	ASTM D6047
丙烯含量	25.0	wt%	ASTM D3900
残留转化金属		ppm	内部方法
分子量分布	Medium		内部方法
灰份含量		wt%	ASTM D5667
挥发物		wt%	内部方法

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