Dynaflex™ G7670-1 (Natural)

Category: TPE , Thermoplastic Elastomer
Manufacturer: PolyOne Corporation
Trademark: Dynaflex™
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: nKOdTt_Dynaflex-G7670-1-Natural-.pdf
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Message
Dynaflex™G7670-1 (Natural) is an easy-to-process universal TPE designed for a wide range of applications, including applications that must comply with FDA standards.
  • It can be bonded to polypropylene by overlapping molding
  • Similar to rubber
  • Soft to the touch
General Information
Features
  • Workability, good
  • Good processing stability
  • Good liquidity
  • Good coloring
  • General
Uses
  • overmolding
  • Washer
  • Seals
  • Soft touch application
  • Soft handle
  • Sporting goods
  • General
  • Consumer goods application field
Agency Ratings
  • FDA 21 CFR 177.1210 2
RoHS Compliance
  • RoHS compliance
Appearance
  • Natural color
Forms
  • Particle
Processing Method
  • Extrusion
  • Injection molding
PhysicalNominal ValueUnitTest Method
Specific Gravity 1.18g/cm³ASTM D792
Melt Mass-Flow Rate (MFR) (200°C/5.0 kg)21g/10 minASTM D1238
Molding Shrinkage - Flow 0.60 - 1.4%ASTM D955
HardnessNominal ValueUnitTest Method
Durometer Hardness (Shore A, 10 sec)71ASTM D2240
ElastomersNominal ValueUnitTest Method
Tensile Stress 1ASTM D412
    100% strain, 23°C 22.79MPaASTM D412
    300% strain, 23°C 33.62MPaASTM D412
Tensile Strength (Break, 23°C)7.03MPaASTM D412
Tensile Elongation (Break, 23°C)670%ASTM D412
Tear Strength 29.8kN/mASTM D624
Compression Set (23°C, 22 hr)19%ASTM D395B
Fill AnalysisNominal ValueUnitTest Method
Apparent Viscosity (200°C, 11200 sec^-1)9.60Pa·sASTM D3835
InjectionNominal ValueUnit
Suggested Max Regrind 20%
Rear Temperature 166 - 177°C
Middle Temperature 177 - 193°C
Front Temperature 188 - 227°C
Nozzle Temperature 193 - 227°C
Mold Temperature 15.6 - 37.8°C
Back Pressure 0.00 - 0.827MPa
Screw Speed 40 - 100rpm
Injection instructions
以聚丙烯 (PP)、乙烯醋酸乙烯共聚物 (EVA) 或低密度聚乙烯 (PE) 为基础的色母料最适合 Dynaflex™ G7670-1(天然)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™ G7670-1(天然)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™ G7670-1(天然)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:1 - 3 英寸/秒第一阶段 - 提升压力:350 - 900 psi第二阶段 - 保持压力:30% 的升压保持时间(厚部件):3 - 10 秒保持时间(薄部件):1 - 3 秒
Note Message
1 .2 hours
2 .Mouth die c
3 .C mould
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