Cordierite Kiln Shelves
A saggar is a type of kiln furniture. It is a ceramic boxlike container used in the firing of pottery to enclose or protect ware being fired inside a kiln. Traditionally, saggars were made primarily from fireclay.Saggars have been used to protect, or safeguard, ware from open flame, smoke, gases and kiln debris: the name is a contraction of the word safeguard.
Cordierite kiln tray is also called cordierite sagger .it is widely used for sinter powder and ceramic. it has the advantages of cordierite.It is very strong in high temperature furnace,max working temperature 1250℃.
The advanced processing equipment and the production craft coupled with excellent inspecting instrument and strict production craft have ensured the good quality of our product. Meanwhile, the unceasing technical investment and the talented specialized technically personnel have been keeping the manufacturing technology always in the lead.
Application
Kiln car or Ceramic furniture of furnace
Feature
Good thermal shock resistance
Property | Cordierite | Mullite | Cordierite - Mullite | Mullite - Corundum |
Al2O3 % | ≥ 40 | ≥ 65 | ≥ 80 | ≥ 92 |
Fe2O3 % | ≤ 1.5 | ≤ 1.5 | ≤ 1.2 | ≤ 0.5 |
Density g/cm3 | ≥2.0 | ≥2.4 | ≥2.6 | ≥3.7 |
Thermal expansion 1000 C | 2.30 | 5.0 | 6.50 | 7.8 |
Refractoriness C | ≥ 1580 | ≥1650 | ≥ 1750 | ≥ 1850 |
Thermal Stability 1100 C--(cold water)times | ≥ 70 | ≥ 20 | ≥ 10 | ≥ 5 |
Working Temperature | ≤ 1250 | ≤1350 | ≤ 1450 | ≤ 1500 |
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