This parameter is used to estimate the mass of co-reactant (hardener) to implement when curing epoxy resins. Epoxies are usually cured with stoichiometric or close to-stoichiometric portions of hardener to accomplish the most beneficial Actual physical properties. Just about all resins are foods Safe and sound soon after total curing. https://www.propanraya.com/id/produk/epoxy-fast-dry