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Elmet Technologies

Dow R7021-50RNA Polypropylene Random Copolymer Resin  (discontinued **)
Categories: Polymer; Thermoplastic; Polypropylene (PP); Polypropylene Copolymer; Polypropylene, Impact Modified; Molded/Extruded; Polypropylene, Molded

Material Notes: DOW™ R7021-50RNA Polypropylene Resin is a random copolymer designed for thin wall injection molding applications desiring high clarity.

    Main Characteristics
  • Good impact properties
  • Excellent optics
  • Fast cycle times
  • Contains clarifier and antistat additives
  • Complies with U.S. FDA 21 CFR 177.1520 (c)3.1a

Former Dow grade acquired by Braskem.

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 PropertiesMetricEnglishComments
Density 0.900 g/cc0.0325 lb/in³ASTM D792
Melt Index of Compound 50 g/10 min
@Load 2.16 kg,
Temperature 230 °C
50 g/10 min
@Load 4.76 lb,
Temperature 446 °F
ASTM D1238
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Yield 27.6 MPa4000 psiASTM D638
Elongation at Yield 11 %11 %ASTM D638
Flexural Modulus, 1% Secant 1070 MPa155000 psiASTM D790A
Izod Impact, Notched 0.534 J/cm1.00 ft-lb/inASTM D256A
 
Thermal PropertiesMetricEnglishComments
Deflection Temperature at 0.46 MPa (66 psi) 77.8 °C172 °FUnannealed; ASTM D648
 
Optical PropertiesMetricEnglishComments
Haze  5.0 %
@Thickness 0.508 mm
5.0 %
@Thickness 0.0200 in
ASTM D1003
 14 %
@Thickness 1.02 mm
14 %
@Thickness 0.0402 in
ASTM D1003
 
Compliance PropertiesMetricEnglishComments
FDA YesYesSee notes for details.

**
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PDOW0983 / 93319

Ensinger PEI

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