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A. Schulman TPP40AJ35BK 40% Talc Filled, Heat-Stabilized, Controlled Rheology, Homopolymer Polypropylene containing 25% P.C.R.
Categories: Polymer; Thermoplastic; Polypropylene (PP); Polypropylene with 40% Talc Filler
Material Notes: 40% Talc Filled, Heat-Stabilized, Controlled Rheology, Homopolymer Polypropylene containing 25% P.C.R.

Description: Precolored black

Applications: Primary end use is for air conditioner housings.

Specifications: Meets/exceeds Ford Engineering Material Specification WSK-M4D644-A3

Comments:
Tensile/Izod Change (1000 hrs./140°C): +3/+8%; WSK-M4D644-A3 Specification: ±15/±15; ISO 188
Mineral Content: 37.8 %;WSK-M4D644-A3 Specification: 35.0-40.0; ISO 3451/1A
Material Pre-dry: Normally it is not necessary to pre-dry this material. However, if conditions dictate drying to optimize material properties and part appearance then dry in a desiccant dryer at 180°F for 2-3 hours or 160°F for >4 hours.
Manifolds: Maintain manifolds, runners and tips 10 to 20°F above the front one temperature to allow easier filling. (Gate drool is best eliminated using screw decompression rather than reducing tip temperature.)
Back Pressure (Range): 20-50 psi. Injection Speed: medium to fast. Screw Speed: medium. Injection Pressure: Adjust to just above a short shot. Injection Time: Adjust to just above a short shot. Cushion (Range): 0.2-0.5 in. Nozzle Type: Free flowing/Standard.
Some conditions may have to be altered to obtain acceptable parts. Please do not run too cold, molded in stress and rough surface may become a problem. If you must run below melt or temperatures recommended for dimensional precision you may compromise impact and esthetics. Retest parts to confirm performance.

Data provided by Ferro Corporation - Specialty Plastics Group.

A. Schulman has acquired the Ferro specialty plastics business.
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 1.23 g/ccWSK-M4D644-A3 Specification: 1.19-1.25 g/cc; ISO R 527
Linear Mold Shrinkage 0.012 cm/cmISO 2577
Melt Flow 14.5 g/10 minWSK-M4D644-A3 Specification: 12.0-18.0 g/10 min; ISO R 527
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength, Ultimate 28.0 MPaWSK-M4D644-A3 Specification: 24 MPa Min.; ISO R 527
Flexural Modulus 3.80 GPaWSK-M4D644-A3 Specification: 3.6 GPa Min.; ISO R 527
Izod Impact, Notched (ISO) 2.40 kJ/m²WSK-M4D644-A3 Specification: 2 kJ/m² Min.; ISO R 527
 1.70 kJ/m²
@Temperature -40.0 °C		WSK-M4D644-A3 Specification: 1.4 kJ/m² Min.; ISO R 527
 
Thermal PropertiesOriginal ValueComments
Deflection Temperature at 0.46 MPa (66 psi) 132 °CWSK-M4D644-A3 Specification: 118°C; ISO R 527
Deflection Temperature at 1.8 MPa (264 psi) 89.0 °CWSK-M4D644-A3 Specification: 67°C; ISO R 527
 
Processing PropertiesOriginal ValueComments
Rear Barrel Temperature 400 - 425 °F
Middle Barrel Temperature 410 - 425 °F
Front Barrel Temperature 415 - 435 °F
Nozzle Temperature 420 - 440 °F
Mold Temperature 100 - 120 °FCore. Cooler temperatures may be needed to maintain dimensions or eliminate sinks in thick sections.
 110 - 130 °FCavity
Drying Temperature 180 °F2-3 hrs at 180°F or 4+ hours at 160°F.
Dry Time 2 - 3 hour
 
Descriptive Properties
ColorPrecolored black

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PFERRO68 / 38182

Rulon Bearings




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