This standard specifies the product classification, technical requirements, test methods, inspection rules, marking and packaging requirements for anti-carburization refractory products for resistance furnaces. This standard is applicable to products whose working temperature is lower than the reburning line change temperature of each variety.
JB/T 3649.6-1994 history
1994JB/T 3649.6-1994 Fire-resistant products for resistance furnace Seepage-resistant carbon type fire-resistant products