| Yam khoom | Index | Specifications |
| Khoom siv | Cordierite | Qhov Loj: Φ80 × 12.5mm, Φ100 × 50mm, Φ125 × 12.5mm, Φ150 × 12.5mm, Φ160 × 13.5mm, Φ168 × 13.5mm Qhov Loj: 100 × 50 × 13.5mm, 132 × 68 × 13.5mm, 110 × 110 × 12.5mm, 132 × 76 × 13.5mm, 132 × 92 × 13.5mm, 158 × 72 × 13.5mm 198 × 136 × 12mm |
| Kev nqus dej | 50.40% | |
| Qhib Porosity | 61% | |
| Specific Gravity | 0.6-0.9g / cm3 | |
| Thermal Expansion Coefficient | 1.5-3 (× 10-6K-1) Qhov loj me | |
| Kub Softening | > 1280ºC | |
| Ua noj qhov kub thiab txias | 1000-1200ºC | |
| CO tso tawm | ≤ 0.006% | |
| NOx tso | ≤ 5ppm |