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Visit Zeus Inc. for Fluoropolymer Tubing
A. Schulman Gapex® RPP30EA23BK 30% Fiberglass Reinforced, Heat-Stabilized, Chemically-Coupled, Homopolymer Polypropylene
Categories: Polymer; Thermoplastic; Polypropylene (PP); Polypropylene with 30% Glass Fiber Filler

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

Description: Precolored black

Applications: Primary end use is for mechanical and/or underhood applications.

Specifications: Meets/exceeds DaimlerChrysler Engineering Standard MS-DB537 Type C.

Comments:
Tensile Retention: 70.8.0 hrs.; (500 hrs. @ 150°C); MS-DB537 Type C Specification: 58.3.0 Min.; ASTM D573
Filler Content: 30.0%; MS-DB537 Type C Specification: 27.0-33.0; ASTM D2584
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, MS-DS537 Type C Specifications: 1.09-1.15; ASTM D792
  • Linear Mold Shrinkage, ASTM D955
  • Melt Flow, MS-DB537 Type C Specification: 2.0-7.0 g/10 min; ASTM D1238
  • Tensile Strength, Ultimate, MS-DB537 Type C Specification: 64.8 MPa Min.; ASTM D638
  • Flexural Modulus, Secant at 1.3 mm/min; MS-DB537 Type C Specification: 4.14 GPa Min.; ASTM D790
  • Izod Impact, Notched, MS-DB537 Type C Specification: 0.534 J/cm Min.; ASTM D256
  • Gardner Impact, M.F.E. (ring removed); MS-DB537 Type C Specification: 0.34 J Min.; ASTM D5420
  • Deflection Temperature at 0.46 MPa (66 psi), ASTM D648
  • Deflection Temperature at 1.8 MPa (264 psi), MS-DB537 Type C Specification: 138°C Min.; ASTM D648
  • 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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