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Dynaflex G7680-9 (Black)
热塑性弹性体
PolyOne Corporation
产品说明：
Dynaflex G7680-9 (Black) is an easy processing, general purpose TPE designed for a wide variety of applications, including those where FDA compliance is required.
- Overmold Adhesion to Polypropylene
- Rubbery Feel
- Soft Touch
Dynaflex G7680-9 (Black) 物性表
| 基本信息 | |
|---|---|
| 特性 |
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| 用途 |
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| 机构评级 |
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| RoHS 合规性 |
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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 | 1.18 | g/cm3 | ASTM D792 |
| 熔流率（熔体流动速率）(200°C/5.0 kg) | 33 | g/10 min | ASTM D1238 |
| 收缩率 - 流动 | 0.60 到 1.4 | % | ASTM D955 |
| 硬度 | 额定值 | 单位制 | 测试方法 |
|---|---|---|---|
| 肖氏硬度(邵氏 A, 10 秒) | 81 | ASTM D2240 |
| 弹性体 | 额定值 | 单位制 | 测试方法 |
|---|---|---|---|
| 拉伸应力1 | ASTM D412 | ||
| 100%应变, 23°C2 | 3.90 | MPa | ASTM D412 |
| 300%应变, 23°C3 | 4.55 | MPa | ASTM D412 |
| 抗张强度(屈服, 23°C) | 7.93 | MPa | ASTM D412 |
| 伸长率(断裂, 23°C) | 660 | % | ASTM D412 |
| 撕裂强度 | 34.1 | kN/m | ASTM D624 |
| 压缩永久变形(23°C, 22 hr) | 23 | % | ASTM D395B |
| 充模分析 | 额定值 | 单位制 | 测试方法 |
|---|---|---|---|
| 表观粘度 | ASTM D3835 | ||
| 200°C, 1340 sec^-1 | 47.3 | Pa·s | ASTM D3835 |
| 200°C, 11200 sec^-1 | 10.9 | Pa·s | ASTM D3835 |
| 注射 | 额定值 | 单位制 | |
|---|---|---|---|
| 建议的最大回制料比例 | 20 | % | |
| 料筒后部温度 | 149 到 188 | °C | |
| 料筒中部温度 | 177 到 188 | °C | |
| 料筒前部温度 | 188 到 216 | °C | |
| 射嘴温度 | 188 到 227 | °C | |
| 模具温度 | 15.6 到 37.8 | °C | |
| 背压 | 0.00 到 0.827 | MPa | |
| 螺杆转速 | 40 到 100 | rpm |
| 注射说明 |
|---|
| Purge thoroughly before and after use of this product with a low flow (0.5 - 2.5 MFR) polyethylene (PE) or polypropylene (PP).Regrind levels up to 20% can be used with Dynaflex? G7680-9 (Black) with minimal property loss, provided that the regrind is free of contamination. To minimize losses during molding, the melt temperature should remain as low as possible. The final determination of regrind effectiveness should be determined by the customer.Dynaflex? G7680-9 (Black) has excellent melt stability. Maximum residence times may vary, depending on the size of the barrel. Generally, the barrel should be emptied if it is idle for periods of 8 - 10 minutes or longer.Drying is not RequiredInjection Speed: 1 to 3 in/sec1st Stage - Boost Pressure: 350 to 900 psi2nd Stage - Hold Pressure: 30% of BoostHold Time (Thick Part): 3 to 10 secHold Time (Thin Part): 1 to 3 sec |
| 备注 | |
|---|---|
| 1 . | 2 hr |
| 2 . | 口模 C |
| 3 . | C 模具 |
