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Espolex® WT461A

Espolex® WT461A is a thermoplastic elastomer with high melt flow and great processing. It exhibits excellent low temperature ductility. It is used for various applications such as air bag covers, interior trim, and injection molded parts. This product is suitable for Injection Molding.   Applications: Air Bag Covers  Interior Trim   Features: Excellent Low-temperature ductility  Excellent appearance with flow across the tear seam    Benefits: High Melt flow Easy moldability

Brand: Espolex (23 products)

Polymer Name: Thermoplastic Elastomer (unspecified)

Processing Methods: Injection Molding

End Uses: Airbag Cover, Automotive Interior Trim

Density: 890.0 - 890.0 kg/m³

Tear Strength: 85.0 - 85.0 kN/m

Enhanced TDS

Knowde-enriched technical product data sheet

Identification & Functionality

Features & Benefits

Applications & Uses

Properties

Physical Properties
ValueUnitsTest Method / Conditions
Density0.89g/cm³ISO 1183
Melt Flow (230°C/2.16Kg)8.5g/10minISO 1133
Flexural Modulus420MPaASTM D790
Tensile Strength (500mm/min, Type 1)13MPaISO 37
Tensile Elongation (500mm/min, Type 1)480%ISO 37
Izod Impact Strength (at -40°C)min. 70kJ/m²ISO 180
Tear Strength85kN/mISO 34-1B
Brittle Temperaturemax. -60°CASTM D746
Mold Shrinkage (Tested on a basic plaque tool under optimum molding conditions)0.009 - 0.013in/in & mm/mmSumitomo Method

Regulatory & Compliance

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) 390 – 470
Front Zone (°F) 390 – 470
Middle Zone (°F) 370 – 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