This parameter is used to determine the mass of co-reactant (hardener) to work with when curing epoxy resins. Epoxies are usually cured with stoichiometric or close to-stoichiometric portions of hardener to realize the best physical Houses. With some epoxy resins, which often can only be processed for a few minutes https://www.propanraya.com/id/produk/epoxy-fast-dry