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Visit Zeus Inc. for Fluoropolymer Tubing
A. Schulman Gapex® RPP30EA20HB 30% Fiberglass Reinforced, Chemically-Coupled, Heat Stabilized, Homopolymer Polypropylene
Categories: Polymer; Thermoplastic; Polypropylene (PP); Polypropylene with 30% Glass Fiber Filler

Material Notes: 30% Fiberglass Reinforced, Chemically-Coupled, Heat Stabilized, Homopolymer Polypropylene

Description: Precolored black

Applications: Primary use is for battery tray supports.

Specifications: Meets/exceeds Ford Engineering Material Specification WSK-M4D732-A3.

Comments:
Tensile/Izod Change (1000 hrs./140°C): +10/+1%; WHS-M4D293-B3 Specification: ±25/-25; ISO 188

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 slow > depending on surface appearance. 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:
Available Properties
  • Density, WSK-M4D732-A3 Specification: 1.10-1.16 g/cc; ISO 1183/A
  • Linear Mold Shrinkage, ISO 2577
  • Melt Flow, WSK-M4D732-A3 Specification: 2.0-6.0 g/10 min; ISO 1133
  • Tensile Strength, Ultimate, WSK-M4D732-A3 Specification: 68.0 MPa Min.; ISO R 527
  • Flexural Modulus, WSK-M4D732-A3 Specification: 4.3 GPa Min.; ISO 178
  • Izod Impact, Notched (ISO), WSK-M4D732-A3 Specification: 4.5 kJ/m² Min.: ISO 180/1A
  • Izod Impact, Notched (ISO), WSK-M4D732-A3 Specification: 3.5 kJ/m² Min.; ISO 180/1A
  • Deflection Temperature at 0.46 MPa (66 psi), WSK-M4D732-A3 Specification: 145°C; ISO 75
  • Deflection Temperature at 1.8 MPa (264 psi), WSK-M4D732-A3 Specification: 130°C; ISO 75
  • Rear Barrel Temperature
  • Middle Barrel Temperature
  • Front Barrel Temperature
  • Nozzle Temperature
  • Mold Temperature, Core. Cooler temperatures may be needed to maintain dimensions or eliminate sinks in thick sections.
  • Mold Temperature, Cavity
  • Drying Temperature, 2-3 hrs at 180°F or 4+ hours at 160°F.
  • Dry Time
  
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Manufacturer Notes:
A. Schulman, Inc., former Ferro Corporation

Category Notes
Plastic

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