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物性表
产品说明
eastman is pleased to announce the launch of drystar* copolyesters. this new product-line is designed to meet the needs of converters seeking value-added solutions to their drying requirements of copolyesters. eastman?s copolyesters are highly valued for their excellent balance of properties such as superior aesthetics, impact strength, and chemical resistance. these properties can be optimally realized when the resins are properly dehydrated in accordance to recommended drying conditions and equipment.
recognizing this value, eastman conceived drystar copolyesters to allow converters with limited access to desiccant dryers to achieve these optimizations. in addition, some converters with desiccant dryers may still find drystar copolyesters value-adding to attain production flexibility and cost saving by removing the drying process prior to injection molding, profile extruding, or extrusion blow molding copolyesters. the initial launch comprises of the commercialization of four grades of drystar copolyesters and eastman has on-going program to extend this strategic product-line in the future.
*drystar is only available in the asia pacific region.
总体  
材料状态 
已商用：当前有效
资料 1 
technical datasheet (english)
搜索 ul 黄卡 
eastman chemical company
供货地区 
亚太地区
性能特点 
抗撞击性，良好 耐化学性良好 外观良好
形式 
颗粒料
加工方法 
挤出吹塑成型 型材挤出成型 注射成型
物理性能 额定值
单位制
测试方法
比重
1.27
g/cm³
astm d792
收缩率 - 流动 (3.20 mm)
0.20 到 0.50
%
astm d955
硬度 额定值
单位制
测试方法
洛氏硬度 (r 计秤, 23°c)
108
 
astm d785
 机械性能 额定值
单位制
测试方法
拉伸模量
     
23°c
2030
mpa
astm d638
23°c
2000
mpa
iso 527-2
抗张强度
     
屈服, 23°c
50.0
mpa
astm d638
屈服, 23°c
48.0
mpa
iso 527-2
断裂, 23°c
30.0
mpa
astm d638
断裂, 23°c
29.0
mpa
iso 527-2
伸长率
     
屈服, 23°c
4.4
%
astm d638
屈服, 23°c
4.0
%
iso 527-2
断裂, 23°c
180
%
astm d638
断裂, 23°c
200
%
iso 527-2
弯曲模量
     
23°c
2060
mpa
astm d790
23°c
2100
mpa
iso 178
弯曲强度
     
23°c
68.0
mpa
astm d790
23°c
67.0
mpa
iso 178
冲击性能
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