Versaflex™ HC MT555

Category: TPE , Thermoplastic Elastomer
Manufacturer: PolyOne Corporation
Trademark: Versaflex™
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: DYfNch_Versaflex-HC-MT555.pdf
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Message
Versaflex™HC MT555 is an easy-to-process material designed for applications that require compliance with FDA standards and medical testing.
  • Excellent coloring
  • Soft to the touch
General Information
Features
  • Workability, good
  • Good processing stability
  • Good coloring
Uses
  • Personal care
  • Pipe fittings
  • Transparent or Translucent Accessories
  • Medical/nursing supplies
Agency Ratings
  • FDA 21 CFR 177.1210 2
  • ISO 10993 Part 4
  • ISO 10993 Part 5
  • USP Class VI
RoHS Compliance
  • RoHS compliance
Appearance
  • Translucent
Forms
  • Particle
Processing Method
  • Extrusion
  • Injection molding
PhysicalNominal ValueUnitTest Method
Specific Gravity 0.888g/cm³ASTM D792
Molding Shrinkage - Flow 1.6 - 2.2%ASTM D955
HardnessNominal ValueUnitTest Method
Durometer Hardness (Shore A, 10 sec)54ASTM D2240
ElastomersNominal ValueUnitTest Method
Tensile Stress 1ASTM D412
    100% strain, 23°C 21.74MPaASTM D412
    300% strain, 23°C 33.31MPaASTM D412
Tensile Strength (Break, 23°C)6.38MPaASTM D412
Tensile Elongation (Break, 23°C)630%ASTM D412
Compression Set (23°C, 22 hr)20%ASTM D395B
Fill AnalysisNominal ValueUnitTest Method
Apparent Viscosity ASTM D3835
    200°C, 1340 sec^-1 73.0Pa·sASTM D3835
    200°C, 11200 sec^-1 13.1Pa·sASTM D3835
InjectionNominal ValueUnit
Suggested Max Regrind 20%
Rear Temperature 166 - 182°C
Middle Temperature 182 - 204°C
Front Temperature 188 - 210°C
Nozzle Temperature 188 - 210°C
Processing (Melt) Temp 193 - 221°C
Mold Temperature 15.6 - 26.7°C
Back Pressure 0.00 - 0.552MPa
Screw Speed 80 - 120rpm
Injection instructions
以聚丙烯 (PP)、乙烯醋酸乙烯共聚物 (EVA) 或低密度聚乙烯 (LDPE) 为基础的色母料最适合 Versaflex™ HC MT555 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。Versaflex™ HC MT555 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。Versaflex™ HC MT555 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 - 5 英寸/秒第一阶段 - 提升压力:100 - 800 psi第二阶段 - 保持压力:20% 的升压保持时间(厚部件):4 - 10 秒保持时间(薄部件):1 - 4 秒
ExtrusionNominal ValueUnit
Melt Temperature 193 - 204°C
Die Temperature 193 - 204°C
Extrusion instructions
Rear: 340 - 360FCenter: 380 - 400FFront: 390 - 410FScrew: 80 - 200 RPMs
Note Message
1 .2 hours
2 .Mouth die c
3 .C mould
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