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Master Bond adhesives

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Wellman Expond® C3322T-M12F Filled Polypropylene
Categories: Polymer; Thermoplastic; Polypropylene (PP)

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
Specific Gravity 1.06 g/ccISO 1183
Filler Content 20 %ISO 3451
Linear Mold Shrinkage 0.0090 - 0.011 cm/cmPRET
Melt Flow 26.4 g/10 min
@Load 2.16 kg,
Temperature 230 °C
ISO 1133
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore D 63.5
@Time 15.0 sec
N/mm2; ISO 868
Tensile Strength 21.8 MPa50mm/min; ISO 527
Flexural Modulus 1940 MPa2mm/min; ISO 178
Izod Impact, Notched (ISO) 2.80 kJ/m²
@Temperature -40.0 °C
ISO 180
 30.7 kJ/m²
@Temperature 23.0 °C
ISO 180
 
Thermal PropertiesOriginal ValueComments
Deflection Temperature at 0.46 MPa (66 psi) 112 °CISO 75
Deflection Temperature at 1.8 MPa (264 psi) 62.0 °CISO 75
 
Processing PropertiesOriginal ValueComments
Rear Barrel Temperature 160 - 180 °C
Middle Barrel Temperature 180 - 200 °C
Front Barrel Temperature 200 - 230 °C
Nozzle Temperature 190 - 200 °C
Mold Temperature 20.0 - 60.0 °C
Drying Temperature 90.0 - 100 °C
@Time 3600 - 7200 sec
Moisture Content 0.10 %
Injection Pressure 70.0 - 100 MPa
Back Pressure 0.300 - 0.700 MPa
Screw Speed 40 - 80 rpm

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PWEL00862 / 249986

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