HYDRACAST 18/18 is a ready to use foam plaster for casting foundry moulds. It is particularly suited to aluminium alloys using the permanent mould process due to its high dimensional accuracy, excellent surface finish and high permeability

Technical Data
% water used94
Mixing time minutes3
Working / Casting time minutes 4
Initial setting time (minutes) 7-13
Linear expansion 2 hours after setting % 0.08