Foam Hardener

Foam Hardener is effective on foams below density of 20kg.

  • SHD-640 can be replaced with POP(Polymeric polyol)
  • SHD-640 + CaCO3: best way to increase hardness and save cost reduces the hardness of the foam.

Application: Mattress, sofa, topper, cushion.

Physical PropertySpec.
AppearanceYellowish clear
Viscosity(25˚C, cps)5,000↓
OH value, mgKOH/g300 ± 15

Dosage: 2.0 to 10.0 php