1.Ọdịiche nke ihe & nkọwapụta
2. Nnukwu ebe elu kpọmkwem
3.Obere nkwụsị nkwụsị
4.Low thermal mgbasa ọnụọgụ ọnụọgụ
5. Ọnụ ọgụgụ mmiri dị elu
6.Pụrụ iche mgbape-eguzogide
| Chemical & Physical index | Cordierite | Nnukwu Cordierite | Cordierite - mullite | Mulite | Corundum-mullite | |
| Ngwakọta kemịkalụ (%) | SiO2 | 45-55 | 45-55 | 35-45 | 25-38 | 20-32 |
| AI2O3 | 30-38 | 33-43 | 40-50 | 50-65 | 65-73 | |
| MgO | 10-15 | 5-13 | 3 ~ 13 | - | - | |
| K2O+Na2O | <1.0 | <1.0 | <1.0 | <1.0 | <1.0 | |
| Fe2O3 | <1.5 | <1.5 | <1.5 | <1.5 | <1.5 | |
| Ọnụego Mgbasawanye okpomọkụ 10-6/K-1 | <2 | <4 | <4 | <5 | <7 | |
| Oku a kapịrị ọnụ J/kg·K | 830-900 | 850-950 | 850-1000 | 900-1050 | 900-1100 | |
| Okpomọkụ na-arụ ọrụ ℃ | <1300 | <1300 | <1350 | <1450 | <1500 | |
| PS: anyị nwekwara ike ịme ngwaahịa na arịrịọ gị yana ọnọdụ ọrụ n'ezie. | ||||||
| Nha (mm) | oghere Qty (N×N) | Njupụta oghere (cpsi) | Dayameta oghere (mm) | Ọkpụrụkpụ mgbidi (mm) | Porosity (%) |
| 150×150×300 | 5×5 | 0.7 | 27 | 2.4 | 81 |
| 150×150×300 | 13×13 | 4.8 | 9.9 | 1.5 | 74 |
| 150×150×300 | 20×20 | 11 | 6.0 | 1.4 | 64 |
| 150×150×300 | 25×25 | 18 | 4.9 | 1.00 | 67 |
| 150×150×300 | 40×40 | 46 | 3.0 | 0.73 | 64 |
| 150×150×300 | 43×43 | 53 | 2.79 | 0.67 | 64 |
| 150×150×300 | 50×50 | 72 | 2.4 | 0.60 | 61 |
| 150×150×300 | 59×59 | 100 | 2.1 | 0.43 | 68 |