结晶 共聚物 PETG 美国伊士曼 EN058 体育用品 牙刷柄 个人护理

Eastar™ EN058, Natural

Copolyester

Eastman Chemical Company

产品说明：

Eastar™ EN058 Copolyester is a copolymer PET. It is crystallized.

This product has been GREENGUARD INDOOR AIR QUALITY CERTIFIED®.
The GREENGUARD INDOOR AIR QUALITY CERTIFIED® Mark is a registered certification mark used under license through the GREENGUARD Environmental Institute (GEI). GEI is an industry-independent, non-profit organization that oversees the GREENGUARD Certification Program. The GREENGUARD Certification Program is an industry independent, third-party testing program for low-emitting products and materials for indoor environments. For more information about GEI and to obtain printable certificates for Eastman™ Copolyesters, visit www.greenguard.org. Choose Eastman Chemical Company under the Manufacturer category and click search to display a list of our products.

物性信息：

基本信息

特性	共聚物 结晶
用途	Cosmetic Packaging 包装 个人护理 家用货品 体育用品 玩具 文具 牙刷柄
外观	自然色
形式	粒子

物理性能额定值单位制测试方法

比重	1.33	g/cm³	ASTM D792
收缩率 - 流动	0.20	%	ASTM D955
吸水率 (23°C, 24 hr)	0.19	%	ASTM D570

硬度额定值单位制测试方法

洛氏硬度 (R 级, 23°C)	111		ASTM D785

机械性能额定值单位制测试方法

抗张强度			ASTM D638
屈服, 23°C	58.0	MPa	ASTM D638
断裂, 23°C	24.0	MPa	ASTM D638
伸长率			ASTM D638
屈服, 23°C	4.0	%	ASTM D638
断裂, 23°C	90	%	ASTM D638
弯曲模量 (23°C)	2400	MPa	ASTM D790
弯曲强度 (屈服, 23°C)	78.0	MPa	ASTM D790

冲击性能额定值单位制测试方法

悬壁梁缺口冲击强度			ASTM D256
-40°C	33	J/m	ASTM D256
23°C	56	J/m	ASTM D256
无缺口悬臂梁冲击			ASTM D4218
-40°C	2400	J/m	ASTM D4218
23°C	无断裂		ASTM D4218
装有测量仪表的落镖冲击			ASTM D3763
-40°C, Energy at Peak Load	38.0	J	ASTM D3763
23°C, Energy at Peak Load	32.0	J	ASTM D3763