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Master Bond adhesives

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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.

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Physical PropertiesOriginal ValueComments
Density 0.900 g/ccASTM D792
Melt Index of Compound 50 g/10 min
@Load 2.16 kg,
Temperature 230 °C
ASTM D1238
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength, Yield 27.6 MPaASTM D638
Elongation at Yield 11 %ASTM D638
Flexural Modulus, 1% Secant 1070 MPaASTM D790A
Izod Impact, Notched 53.4 J/mASTM D256A
 
Thermal PropertiesOriginal ValueComments
Deflection Temperature at 0.46 MPa (66 psi) 77.8 °CUnannealed; ASTM D648
 
Optical PropertiesOriginal ValueComments
Haze 5.0 %
@Thickness 0.508 mm
ASTM D1003
 14 %
@Thickness 1.02 mm
ASTM D1003
 
Compliance PropertiesOriginal ValueComments
FDA YesSee notes for details.

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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