This standard covers the heat flux method (hereinafter referred to as heat flow method) of fire-resistant and insulating bricks (hereinafter referred to as insulating bricks).
KS L 3121-2010 history
2021KS L 3121-2021 Testing method for thermal conductivity of insulating refractory bricks
2015KS L 3121-2015 Testing method for thermal conductivity of insulating refractory bricks
2010KS L 3121-2010 Testing method for thermal conductivity of insulating firebrick
1980KS L 3121-1980 Testing method for thermal conductivity of insulating refractory bricks