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PHYSICAL TESTING OF CROSSLINKED POLYMERS

Static testings

  • Determination of hardness (Shore A, Shore D, Shore 00)
  • Determination of hardness IRHD
  • Determination of microhardness
  • Determination of density
  • Determination of compression set
  • Determination of dimensional stability
  • Determination of colour, colour change and contact colouring
  • Determination of stiffness
  • Determination of bending properties

Quasistatic and dynamic testings

  • Determination of mechanical properties under tensile, compressional, bending and shear deformation in the temperature range from -50° C to +200° C (moduli of elasticity, tensile strength, deformation at break)
  • Determination of critical and tearing properties
  • Determination of hysteresis
  • Determination of rebound
  • Determination of dynamic mechanical properties

Thermal testings

  • Determination of linear thermal expansion as a function of temperature
  • Mechanical low-temperature testings to -150°C
  • Determination of glass transition temperature

Electric testings

  • Determination of electric resistivity
  • Determination of electric surface resistance

Other (specific) testings

  • Determination of abrasion resistance
    Determination of gas permeability
    Determination of inflammability and combustibility resistance

Ageing testings

  • Determination of ozone resistance
  • Determination of effects of UV radiation
  • Determination of effects of mechanical ageing by bending, tension and shear
 

Determination of tension set




Determination of compression set




Determination of critical and tearing properties by tensile testing machine


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