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| Brand Name : | KAMTAI |
| Model Number : | KTRSKP16 |
| Certification : | SGS |
| Price : | Negotiable |
| Payment Terms : | T/T, L/C, , Western Union, MoneyGram,Paypal |
| Supply Ability : | 10000PCS/MONTH |
| Delivery Time : | 15 DAYS AFTER PAYMENT |
1. Description
Cordierite ceramics are well known for their low thermal expansion
and refractory character. Although cordierite is available as a
powder, when we use the term we are generally talking about ceramic
that went into the kiln as ordinary composite of ceramic powders
but emerges as a cordierite crystalline matrix (grown by the firing
process tuned to its needs).
Cordierite makes the ceramic manufacture of products like catalytic
converters possible. They constantly heat up and cool down quickly
and must not crack because of the shock. These converters get their
thermal shock resistance properties from a bonded matrix of
low-expansion cordierite crystals. These crystals form during
firing between 1300 to 1400C (interestingly, cordierite crystals
have a lesser thermal expansion along one axis than another). Thus,
the better the density of the precursor mix and controlled the
firing the better the properties of the cordierite material are.
Cordierite refractory kiln post have the characteristics of high
flexing strength at elevated temperatures, high thermal shock
resistance. High corrosion resistance and high thermal
conductivity, high resistivity against alkalis.
2. Technical Parameters
| Item | Cordierite | |
| Apparent porosity,% | 28 | |
| Bulk density,g/cm3 | >2.0 | |
| Modulus of rupture, | 20℃ | ≥5 |
| 1250℃×0.5h | ≥3 | |
| Phase composition,% | Mullite | 55 |
| Cordierite | 30 | |
| Max. service temp. | 1280℃ | |
| Chemical composition,% | Al2O3 | 40-48 |
| SiO2 | 45-48 | |
| MgO | 5-10 | |
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