Material Specification

Process Requirement

  • Homogeneous mixing (Incorporation, dispersion, distribution and plasticization)
  • Viscosity/process safety (ML1+4, MS)
  • Stickiness and Tackiness
  • Shaping (Calendaring, Extrusion, Assembling and Molding)

Compound property Requirement

  • Hardness
  • Stress-Strain properties (TS, EB, M-100, M-300, Tear)
  • Abrasion resistance
  • Hysteresis & Set properties
  • Resistance to cut growth, fatigue, flex cracking

Resistance to Degradation

  • Heat, Oxygen, Ozone
  • Flame
  • Liquids
  • Light
  • Metal poisoning

Miscellaneous property requirements

  • Low temperature flexibility
  • Electrical properties
  • Permeability
  • Contact with food stuff and drugs
  • Bonding to metal & textiles
  • Swelling
  • Other specific requirements

Relative Oil & Heat Resistance of Various Elastomers