ENFLEX S3155A

Category: TPE , Thermoplastic Elastomer
Manufacturer: ENPLAST Americas, a Ravago Group Company
Trademark: ENFLEX
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: PdzgGd_ENFLEX-S3155A.pdf
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55 Shore A TPE (Styrenic Block Copolymer based) available in black and natural for injection molding and extrusion applications. This grade offers soft/tactile feel and adhesion (overmolding or co-extrusion) to Polypropylene.
General Information
Features
  • Low compressive deformability
  • High elasticity
  • Solvent resistance
  • Good UV resistance
  • Recyclable materials
  • Workability, good
  • Good coloring
  • Good adhesion
  • Ozone resistance
  • alkali resistance
  • Alcohol resistance
  • acid resistance
  • Detergent resistance
  • Oil resistance
  • Soft
Appearance
  • Black
  • Natural color
Processing Method
  • Extrusion
  • Injection molding
PhysicalNominal ValueUnitTest Method
Specific Gravity 0.988g/cm³ASTM D792
Melt Mass-Flow Rate (MFR) (230°C/2.16 kg)8.0g/10 minASTM D1238
HardnessNominal ValueUnitTest Method
Durometer Hardness ASTM D2240
    Shaw A, 10 seconds, extruded 53ASTM D2240
    Shore A, 10 seconds, injection molding 55ASTM D2240
ElastomersNominal ValueUnitTest Method
Tensile Stress (100% Strain)1.23MPaASTM D412
Tensile Strength (Break)5.76MPaASTM D412
Tensile Elongation (Break)760%ASTM D412
Tear Strength 26.1kN/mASTM D624
Compression Set ASTM D395B
    23°C, 22 hr 19%ASTM D395B
    70°C, 22 hr 42%ASTM D395B
ThermalNominal ValueUnitTest Method
Brittleness Temperature -60.0°CASTM D746
Dynamic Service Temperature 90°C
InjectionNominal ValueUnit
Drying Temperature 65.6 - 71.1°C
Drying Time 2.0 - 3.0hr
Rear Temperature 171 - 199°C
Middle Temperature 177 - 210°C
Front Temperature 191 - 221°C
Nozzle Temperature 199 - 229°C
Processing (Melt) Temp 199 - 221°C
Mold Temperature 10.0 - 48.9°C
Injection Pressure 5.17 - 8.96MPa
Injection Rate Fast
Screw Speed 50 - 200rpm
Clamp Tonnage 2.8 - 4.8kN/cm²
Cushion 5.08 - 12.7mm
Injection instructions
Holding Time: 5 to 7 Sec.
ExtrusionNominal ValueUnit
Drying Temperature 65.6 - 71.1°C
Drying Time 2.0 - 3.0hr
Hopper Temperature 160 - 177°C
Cylinder Zone 1 Temp. 171 - 191°C
Cylinder Zone 3 Temp. 179 - 199°C
Cylinder Zone 5 Temp. 191 - 210°C
Adapter Temperature 191 - 210°C
Melt Temperature 191 - 199°C
Die Temperature 191 - 210°C
Extrusion instructions
Screw: L/D 20:1 or greater (L/D 24:1 preferred)Cooling Water: 60 - 85°F (15-30°C)Screw Speed: 100 - 200 rpmScreen Pack: 20/40/60
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