These sleeves are available sizes from 40mm to 90mm dia. Direct pour sleeves are available with foam filters. Direct pour insulating sleeves is a newly developed, Prefabricated, Vacuum formed . it can be acts as one of the feeders and molten metal is directly poured into the sleeve.
| PARAMETER | SPECIFICATION |
|---|---|
| Permeability | AFS 20 - 45 |
| Bulk Density | 0.4 to 0.7 g/cc |
| Compression Strength | LarMin. 6.5 kg/cm2 |
| Moisture at the time of packing | 1% max |