Graphite Casting Ring
ADVANTAGES
- High Precision CNC Machined
- High Strength and Hardness
- High Uniformity in Porosity
- Long Service Life
- Produce Excellent Billet Surface
APPLICATIONS
- Aluminium Billet Casting Mould
- Size Customised from Drawings
PERMEABILITY TEST
Each graphite ring produced by ALm will been strictly tested for whole ring permeability.
Test Parameter
- Testing Pressure : 90 Psi
- Duration : 10 Sec
- Test Results Unit : LPM (liter per minute)
- Distance Between Points : 12.5 mm
Required numbers of tested points are listed in the following table. Test reports are attached with every graphite ring package.