| 1. |
Crazing test |
No Crazing Up to 2 cycle up to 5 hrs Each Cycle or 10 Hours At Pressure 0.34 to .37 Mps. |
No Problem Up to Cycle and No Crazing |
| 2. |
Water absorption |
Everage value should not exceed more than 0.5 % |
max 0.30 % show better vitrification |
| 3. |
Modulus |
Not Less Than 60 Mps. |
Min.70 Mps./ Min.80 Mps. |
| 4. |
Chemical Resistance |
No loss of reflectivity of the glaze when compared with control sample |
NO loss Of reflectivity of the glaze when compared with control sample. |
| 5. |
Resistance to staining and Burning |
No Stain shall remain on either of test piece |
No Stain shall remain on either of test piece |
| 6. |
Wavy finish |
None on all visible surface |
None on all visible surface |
| 7. |
Discoloration |
None on all visible surface |
None on all visible surface |
