Qmonix® — Minnesota Rubber and Plastics portfolio of high performance EPDM materials. Within the Qmonix® family are materials used for Water, Food and Beverage applications which carry certifications from many of the largest global certifying agencies. In addition, Qmonix® materials deliver durability and longevity, and remain highly stable in critical applications under extreme conditions in Medical Device, and Transportation industry applications.

Features & Benefits QMONIX®

  • Durable and long-lasting
  • Regulatory compliance including major water certifications and EU EC1935/2004 & FDA 21 CFR
  • High dielectric strength
  • Maintains original form and sealing force
  • Ozone and high dosage UV resistance
  • High temperature applications up to 150°C/302°F
  • Resistant to severe chemical exposure including brake fluid, alkalis and oxygenated solvents

Material Data

Property / Formulation 559PE 558EC 912T 560CF 559GT
Hardness, Shore A 70 70 75 60 90
Tensile, psi 1500 1800 1600 1600 1800
Elongation, % 135 160 400 350 100
Modulus @100%, psi 900 950 500 450 1850
Specific Gravity 1.12 1.11 1.08 1.04 1.20
Compression Set, 22h @100°C, % 8 6 12 8 7


Medical Device

  • Defibrillators
  • Pacemakers
  • Implantable pulse generators


  • Beverage dispensing
  • Food contact seals
  • Brine seals
  • Valves


  • O-rings & Quad-rings
  • AC seals
  • Brake fluid seals

Comparative Data

After Chloramine Immersion
30 days at 50ppm at 70°C
Qmonix 559PE

Qmonix® 559PE
(70 Shore A)

Volume Change +7%

Competitor’s Compound

Competitor’s Compound
(70 Shore A)

Volume Change +148%

Resistance Comparison of Various Polymers

Resistance to Polymer Qmonix® Polyisoprene SBR Butyl NBR Silicone Neoprene FKM
Water Absorption O G G VG VG VG VG E
Oxidation O P F VG VG O VG O
Ozone O P F VG VG O E O
Heat Aging E P G VG VG O VG O
Cold E E E E VG O VG G
O: Outstanding     E: Excellent     VG: Very Good     G: Good     F: Fair     P: Poor


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one of our Customer Service Representatives
USA: 1 (800) 927-1422 Asia: +86-512 6273 2700
Europe: +33(0)2 32 22 24 26