Fosterite based ramming mass for making laddles of foundry. Diluted sodium silicate to be used as binder before pre-heating.
Method to use: After mixing 4-5% of diluted sodium silicate, good compact ramming is required to be done, talking special care of the impact area which is the bottom. After completing the ramming process slow pre-heating is requied to be done for 3-5 hours (depending on the capacity of the laddle). There after laddle is to be kept in red hot condition for one hour.