东莞市塑宇化工有限公司
Eastar™ GN071, Natural
共聚多酯
Eastman Chemical Company
产品说明：
Eastar™ GN071 Copolyester is used for injection molding applications. It is sparkling clear, tough, chemical resistant, odor free, versatile, easy to work with and affordable. Cleaning solutions will not turn Eastar™ GN071 white.
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.
This product has been CRADLE TO CRADLE CERTIFIED Silver.
The CRADLE TO CRADLE CERTIFIED Mark is a registered certification mark used under license through McDonough Braungart Design Chemistry (MBDC). MBDC is a global sustainability consulting and product certification firm. The CRADLE TO CRADLE® framework moves beyond the traditional goal of reducing the negative impacts of commerce ('eco-efficiency'), to a new paradigm of increasing its positive impacts ('eco-effectiveness'). At its core, Cradle to Cradle design perceives the safe and productive processes of nature's 'biological metabolism' as a model for developing a 'technical metabolism' flow of industrial materials. Product components can be designed for continuous recovery and reutilization as biological and technical nutrients within these metabolisms. For more information about MBDC and to obtain printable certificates for Eastman Copolyesters, visit www.mbdc.com. Choose Eastman Chemical Company under Company Name in C2C Certified products to display a list of our
Eastar™ GN071, Natural 物性表
| 基本信息 | |
|---|---|
| 特性 |
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| 用途 |
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| 外观 |
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| 形式 |
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| 加工方法 |
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| 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 级, 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 | 额定值 | 单位制 | 测试方法 |
|---|---|---|---|
| 悬壁梁缺口冲击强度 | |||
| -40°C | 40 | J/m | ASTM D256 |
| 23°C | 110 | J/m | ASTM D256 |
| -40°C | 4.4 | kJ/m2 | ISO 180 |
| 23°C | 9.4 | kJ/m2 | ISO 180 |
| 无缺口悬臂梁冲击 | ASTM D4218 | ||
| -40°C | 无断裂 | ASTM D4218 | |
| 23°C | 无断裂 | ASTM D4218 |
| 热性能 | 额定值 | 单位制 | 测试方法 |
|---|---|---|---|
| 载荷下热变形温度 | |||
| 0.45 MPa, 未退火 | 70.0 | °C | ASTM D648, ISO 75-2/B |
| 1.8 MPa, 未退火 | 62.0 | °C | ASTM D648, ISO 75-2/A |
| 光学性能 | 额定值 | 单位制 | 测试方法 |
|---|---|---|---|
| 透射率 (总计) | 90.0 | % | ASTM D1003 |
| 雾度 | 0.20 | % | ASTM D1003 |
| 注射 | 额定值 | 单位制 | |
|---|---|---|---|
| 干燥温度 | 63.0 | °C | |
| 干燥时间 | 6.0 到 8.0 | hr | |
| 加工（熔体）温度 | 249 到 271 | °C | |
| 模具温度 | 16.0 到 38.0 | °C |
