20 lb/ft3 PMDI

Cured Properties

• G vs Temp
• CTE vs Temp
• Compressive Yield
• Effect of Postcure

Composition:

• T component                         58%
  • 97.6%   Dow PAPI 27
  • 2.4%   Dow Voranol RN490
• R component                         42%
  • 97.4%   Dow Voranol RN490
  • 0.5%   distilled water
  • 1.9%   Air Products Dabco DC197 surfactant
  • 0.1%   Air Products Dabco 33-LV catalyst
• cure: 6 hours at 71C

While the nominal free-rise density is 4lb/ft3, the densities of individual samples will vary.

Actual densities measured for each sample are given with the data.