Gasketing (FIPFG) | Sonderhoff
The expansion time in the FIPFG process is the period after the pot life, in which the homogeneously mixed sealant mass of the particular material system used foams up into a seal. With the chemical reaction between isocyanate and water in the polyol component, the propellant CO2, essential for foam production, is created as a cleavage product.
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