Open Type Insulating Sleeves
These sleeves are available in open, blind & Direct pour types & range in sizes from 1”dia to 7” dia for open & 40mm to 80mm in dia for blind sleeves Direct pour sleeves are available in 40,50,60,70 & 90 mm dia with foam filters.
Advantages
1. Highly insulating nature of materials used ensures no initial chilling of metal in the sleeves.
2. High MEF – up to 1.45
3. Application of these sleeves reduces the cost of casting by way of reducing rejections & also reducing the riser sizes required.
4. High feeding efficiency.
| PARAMETER | SPECIFICATION |
|---|---|
| Bulk Density | 0.5 to 0.6 g/cc |
| Permeability | AFS 25 - 40 |
| Compression Strength | Min. 5.5 kg/cm2 |
| Moisture at the time of packing | 1% max. |