Espolex® WT546

1 of 23 products in this brand

Espolex® WT546 is a thermoplastic elastomer with excellent appearance for microscopic applications, great processing resulting in low cycle times, excellent low temperature ductility, and excellent 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

Technical Data Sheet Safety Data Sheet

Popular Sumika Polymers North America, LLC & Sumika Polymer Compounds Europe, LLC Products

View All Sumika Polymers North America, LLC & Sumika Polymer Compounds Europe, LLC Products

Knowde Enhanced TDS

Identification & Functionality

Polymer Name: Thermoplastic Elastomer (unspecified)
Technologies: Elastomers
Product Families: Elastomers — Thermoplastic Elastomers
Other Thermoplastic Elastomers

Features & Benefits

Materials Features: Excellent Low Temperature Ductility,
Good Processability,
Good Surface Appearance,
Shorter Cycle Time,
Weldable

Applications & Uses

Markets: Automotive & Transportation
Applications: Automotive & Transportation — Automotive
Interior,
Safety Systems
Plastics & Elastomers End Uses: Airbag Chutes,
Airbag Cover,
Automotive Interior Trim
Plastics & Elastomers Processing Methods: Injection Molding

Properties

Physical Properties

	Value	Units	Test Method / Conditions
Density	0.89	g/cm³	ISO 1183
Melt Flow (230°C/2.16Kg)	9	g/10min	ISO 1133
Flexural Modulus	280	MPa	ISO 178
Tensile Strength (500mm/min, Type 1)	12	MPa	ISO 37
Tensile Elongation (500mm/min, Type 1)	550	%	ISO 37
Izod Impact Strength (at -40°C)	min. 60	kJ/m²	ISO 180
Brittle Temperature	max. -60	°C	ASTM D746
Mold Shrinkage (Tested on a basic plaque tool under optimum molding conditions)	0.014 - 0.018	in/in & mm/mm	Sumitomo Method

Regulatory & Compliance

OEM Specifications: FORD WSS-M4D979-B2
OEM Standards: Ford

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

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

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