Specified non-profit organization: JANCAE/Rubber study group


Natural rubber experimental data

  Material   Natural Rubber I     Natural Rubber II  
  Specific gravity 1.02 1.10 1.12 1.13
  Hardness 50 65 50 65
  Young's modulus (MPa) 3.60 7.39 5.52 9.71
  tanδ 0.03 0.05 0.20 0.27
  Stress-strain curve zip zip zip zip
  Master curve   excel     excel     excel     excel  
  Specific heat(J/g・K) 1.55 1.43 1.47 1.40
  Heat conductivity(W/m・K)   0.23 0.23 0.22 0.22
tanδ measurement condition: 5% amplitude and 15Hz frequency.

Buffer gel : Experimental data

  Material   θ-6    θ-8  
  Specific gravity 1.06 1.07
  Hardness     Ascar C   33 52.5
  Young's modulus (KPa) 670.3 432.6
  Tension strength(MPa) 1.58 2.35
  Stretch (%) 480 300
  Master curve excel excel
  Specific heat(J/g・K) 1.51 1.52
  Heat conductivity(W/m・K)   0.20 0.20
  Normal temperature (℃) -40〜200
  Application Vibration absorption/Buffer
(March 7, 2006)