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Elmet Technologies
Plastics Group Polifil® RP-PP Polypropylene, Molding Grade
Categories: Polymer; Thermoplastic; Polypropylene (PP); Polypropylene, Molded

Material Notes: Polifil® RP-PP reprocessed polypropylene has the highest stiffness of the commodity olefin resins, while retaining sufficient impact properties for many applications. Due to its low cost and low density, polypropylene use has been expanding rapidly, and common uses now include injection molded articles, fibers, packaging films, and extruded sheet and profiles. Polypropylene is widely used in injection molding for housewares, appliances, and automotive parts. High flow grades are spun into fibers, and molded into thin wall containers, cups, and lids. Moderate flow resins are common in general injection molding and cast films. High molecular weight, low flow grades are extruded into sheet and profiles, and blow molded into automotive parts and recreational goods.

Information provided by The Plastics Group.

Vendors:
Available Properties
  • Specific Gravity, ASTM D792
  • Density, ASTM D792
  • Water Absorption, ASTM D570, 24 hours
  • Linear Mold Shrinkage, ASTM D955
  • Melt Flow, ASTM D1238, 230/2.16; May be specified
  • Melt Flow, ASTM D1238
  • Hardness, Shore D, ASTM D1415
  • Tensile Strength, ASTM D638
  • Tensile Strength, Yield, ASTM D638
  • Elongation at Break, ASTM D638
  • Elongation at Break, ASTM D638
  • Elongation at Yield, ASTM D638
  • Tensile Modulus, ASTM D638
  • Flexural Strength, ASTM D790
  • Flexural Modulus, ASTM D790, tangent
  • Flexural Modulus, 1% Secant, ASTM D790
  • Izod Impact, Notched, ASTM D256
  • Izod Impact, Notched, ASTM D256
  • Izod Impact, Unnotched, ASTM D256
  • Gardner Impact, ASTM D5420, tup
  • Deflection Temperature at 0.46 MPa (66 psi), ASTM D648
  • Deflection Temperature at 0.46 MPa (66 psi), ASTM D648
  • Deflection Temperature at 1.8 MPa (264 psi), ASTM D648
  
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Manufacturer Notes:
The Plastics Group of America

Category Notes
Plastic

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