Category: | TPE , Thermoplastic Elastomer |
Manufacturer: | PolyOne Corporation |
Trademark: | Dynaflex™ |
Fillers: | - |
Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
Delivery Terms | FOB, CIF, DAP, DAT, DDP |
PDF: | GwfFOO_Dynaflex-G2745.pdf ![]() |
PRICE: | Order Products email sales@su-jiao.com |
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Dynaflex™ G2745 is designed for injection molding, however, can also be process by extrusion and injection molding.
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General Information | |
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Features |
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Uses |
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Agency Ratings |
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RoHS Compliance |
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Appearance |
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Forms |
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Processing Method |
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Physical | Nominal Value | Unit | Test Method |
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Specific Gravity | 0.888 | g/cm³ | ASTM D792 |
Hardness | Nominal Value | Unit | Test Method |
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Durometer Hardness (Shore A, 10 sec) | 42 | ASTM D2240 |
Elastomers | Nominal Value | Unit | Test Method |
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Tensile Stress (300% Strain, 23°C) | 2.76 | MPa | ASTM D412 |
Tensile Strength (Break, 23°C) | 5.10 | MPa | ASTM D412 |
Tensile Elongation (Break, 23°C) | 600 | % | ASTM D412 |
Tear Strength 1(23°C) | 27.3 | kN/m | ASTM D624 |
Fill Analysis | Nominal Value | Unit | Test Method |
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Apparent Viscosity | ASTM D3835 | ||
200°C, 1340 sec^-1 | 35.0 | Pa·s | ASTM D3835 |
200°C, 11200 sec^-1 | 9.90 | Pa·s | ASTM D3835 |
Injection | Nominal Value | Unit | |
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Suggested Max Regrind | 20 | % | |
Rear Temperature | 196 - 204 | °C | |
Front Temperature | 204 - 216 | °C | |
Nozzle Temperature | 216 - 232 | °C | |
Mold Temperature | 23.9 - 65.6 | °C | |
Back Pressure | 0.00 - 0.552 | MPa |
Injection instructions |
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以聚丙烯 (PP)、乙烯醋酸乙烯共聚物 (EVA) 或聚乙烯 (PE) 为基础的色母料最适合 Dynaflex™ G2745 着色。使用熔体流动速率较高(范围为 25 - 40 克/10 分钟)的色母料,则能达到较好的颜色分散效果。典型的色母料用量为 1% 至 5%(重量)。可以使用液体颜料,但以矿物油为基础的载体对最终硬度值会有显著的影响。不应采用以 PVC 为基础的色母料。若使用 GLS 可供的预着色复合材料,则可达到较好的配色一致性。色母料是否适用,应由用户通过试验来最终确定。在使用此产品之前或之后,均须用熔体流动速率较低 (0.5 - 2.5 MFR) 的聚乙烯 (PE) 或聚丙烯 (PP) 彻底进行置换。Dynaflex™ G2745 可利用高达 20% 的回收料同时其性能所受影响却极小,但该回收料必须是未受到污染的。为了最大限度地减小模塑期间其性能所受的影响,熔体温度应维持得尽可能低。回收料的有效性应由用户最终确定。Dynaflex™ G2745 具有极好的熔体稳定性。最长停留时间可能会根据机筒尺寸有所变化。通常,如果机器闲置 8 - 10 分钟或以上,则应将机筒排空。不需要干燥注射速度:0.5 - 3 英寸/秒第一阶段 - 提升压力:400 - 900 psi |
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1 . | 2 hr |
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