Round Neckdown Sleeves further reduce the riser casting contact size, minimizing the need for breaker cores. Neck down It eliminates the gas cutting of risers in Steel castings due to easy knock off of the riser. It carries good properties like insulating, Exothermic & refractoriness 1400-1500OC & carries sufficient strength. Also, risers can be located on a smaller area which can reduce or eliminate metal padding
PARAMETER | SPECIFICATION |
---|---|
Permeability | AFS 20 - 45 |
Bulk Density | 0.4 to 0.6 g/cc |
Compression Strength | LarMin. 6.5 kg/cm2 |
Moisture at the time of packing | 1% max |