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Master Bond adhesives

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Wellman Expond® PP A422-G40 Polypropylene, 40% Glass
Categories: Polymer; Thermoplastic; Polypropylene (PP); Polypropylene, Glass Reinforced, Impact Modified

Material Notes: Expond® Polypropylene (PP) is a linear polymer with low density and typically exhibits high crystallization. It consistently has relatively high performance characteristics, such as good mechanical equilibrium, chemical corrosion resistance, workability, low price and other advantages.

Features: Excellent balance of toughness and stiffness, Low-odor, low-VOC, and low-emission performance, Excellent scratch resistance performance, Excellent anti-stick performance, Excellent resistance to stress performance Excellent weather fastness performance, Easy to process, Excellent spraying performance.

Applications: Automotive Dashboard, Door, Column, Seat guard plate, Bumper, Rubbing strip, Bottom plate.

Information provided by Wellman Advanced Materials.

Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Density 1.22 g/ccISO 1183-1
Filler Content 40 %Glass; ISO 3451
Linear Mold Shrinkage 0.0020 - 0.0050 cm/cmPRET
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength 100 MPa50mm/min. @ max load; ISO 527-2
Elongation at Break 3.0 %50mm/min; ISO 527-2
Flexural Strength 140 MPa2mm/min; ISO 178
Flexural Modulus 6500 MPa2mm/min; ISO 178
Izod Impact, Notched (ISO) 10.0 kJ/m²
@Temperature 23.0 °C
ISO 180
Izod Impact, Unnotched (ISO) 45.0 kJ/m²
@Temperature 23.0 °C
ISO 180
 
Thermal PropertiesOriginal ValueComments
Deflection Temperature at 0.46 MPa (66 psi) 160 °C120°C/h; ISO 75-2
Deflection Temperature at 1.8 MPa (264 psi) 150 °C120°C/h; ISO 75-2
 
Processing PropertiesOriginal ValueComments
Processing Temperature 190 - 210 °CInjection Temperature
 200 - 220 °CInjection Temperature
 200 - 230 °CInjection Temperature
Mold Temperature 70.0 - 90.0 °C
Drying Temperature 100 °C
@Time 7200 - 10800 sec
Injection Pressure 90.0 - 130 MPa
Back Pressure 0.300 - 0.700 MPa
Screw Speed 30 - 50 rpm

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PWEL00876 / 250000

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