Espolex® WT547

1 of 23 products in this brand

Espolex® WT547 is a thermoplastic elastomer with great processing, resulting in low cycle times. It exhibits excellent low temperature ductility and weldability. It is used for various applications such as airbag covers, airbag chutes, interior trim, and injection molded parts. This product is suitable for Injection molding.


Applications:

  • Airbag Covers
  • Airbag Chutes
  • Interior Trim
  • Handle Grips

 

Features:

  • Excellent weldability to TPO and PP substrates 
  • Excellent low temperature ductility 

 

Benefits:

  • Lower cycle times with easy processing

Polymer Name: Thermoplastic Elastomer (unspecified)

Processing Methods: Injection Molding

End Uses: Airbag Chutes, Airbag Cover, Automotive Interior Trim

Density: 890.0 - 890.0 kg/m³

Knowde Enhanced TDS

Identification & Functionality

Technologies

Features & Benefits

Applications & Uses

Plastics & Elastomers Processing Methods

Properties

Physical Properties
ValueUnitsTest Method / Conditions
Density0.89g/cm³ISO 1183
Melt Flow (230°C/2.16Kg)8.5g/10minISO 1133
Flexural Modulus460MPaISO 178
Tensile Strength at Yield (500mm/min, Type 1)14MPaISO 37
Tensile Elongation (500mm/min, Type 1)460%ISO 37
Izod Impact Strength (at -40°C)min. 60kJ/m²ISO 180
Brittle Temperaturemax. -60°CASTM D746
Mold Shrinkage0.005 - 0.008in/in & mm/mmSumitomo Method

Regulatory & Compliance

OEM Standards

Technical Details & Test Data

Tool Design Guidelines
Wall Thickness (WT) 2 - 4 mm
Gate Type Fan Gate
Gate Thickness (GT) 0.6 - 0.9 x WT
Gate Width (GW) > 2 x GT
Gate Land (GL) < 0.75 mm
Runner Type Round
Sprue “O” Diameter 3.5 x WT
Main-Runner (SR) 2.5 x WT
Secondary-Runner (MR) 1.5 x WT
Draft 3° – 6 ° per side
Inside Radius (IR) WT / 2
Outside Radius (OR) WT + IR
Surface Texture Light Stipple
Surface Coating Nickel / Teflon
Vent Quantity 1 Every Inch
Vent Depth 0.013 - 0.025 mm
Vent Width 5 mm
Processing Guidelines
Nozzle Temp. (°F) 370 – 470
Front Zone (°F) 370 – 470
Middle Zone (°F) 360 – 450
Rear Zone (°F) 350 – 430
Mold Temp. (°F) 70 – 120
Injection Speed Fast
Screw RPM Slow
Injection Pressure (%)

20% more than actual transfer pressure

Back Pressure (psi) 50 – 100
Pack/Hold Pressure

40 – 80% of Injection Pressure