Top Quality China Special Ceramic Refractory Sic Crucible Fire Assay Clay Crucible

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“Based on domestic market and expand overseas business” is our development strategy for Top Quality China Special Ceramic Refractory Sic Crucible Fire Assay Clay Crucible, We always provide best quality products and excellent service for the majority of business users and traders . Warmly welcome to join us, let’s innovate together, and fly dreams.
“Based on domestic market and expand overseas business” is our development strategy for China Arc Clay Crucible for Testing Gold, Fire Assay Crucible, After years of development, we have formed strong ability in new product development and strict quality control system to ensure excellent quality and service. With the support of many long term cooperated customers, our items are welcomed all over the world.

Anti-oxidation Silicon Carbide Crucible

Product Description

Our crucible uses an integrated die-casting process, which has better high temperature resistance and longer life than ordinary crucibles, while ensuring good thermal conductivity. On this basis, our crucible is made of selected raw materials, and the unique surface anti-oxidation process improves stability and delays corrosion, ensuring that the metal is not contaminated by silicon carbide crucibles.

Advantages

1) High temperature resistance (melting point is 3850±50C)
2) Anti-oxidation,
3) Strong corrosion resistance to acid and alkali liquid
4) Abrasion resistance,
5) Good conductivity and thermal 6.efficiency.
7) Excellent chemical stability
8) Easy to clean
9) Good packaging

Recommendations

1) The crucible should be stocked in the dry situation.
2) Carry the crucible carefully
3) Warm the crucible in the drying machine or near the furnace. The warming temperature should be up to 500ºC.
4) The crucible should be put under the furnace mouth flat.
When put the metal into the crucible, you should take the crucible capacity as your reference. If the crucible is too full, it will be damaged by expansion.
5) The clamps shape need as that of crucible. Avoid the concentrate stressed destroy of the crucible.
6) Clean the crucible regularly and gently.
7) The crucible should be put in the center of the furnace and leave some distance between the crucible and furnace.
8) Turn the crucible once a week and this will help prolong the service life.
9) The flame should not touch the crucible directly.

 

Technical Data of Material

Index Unit Standard value Test value
Temperature Resistance 1650℃ 1800℃
Chemical Composition
(%)
C 35~45 45
SiC 15~25 25
AL2O3 10~20 25
SiO2 20~25 5
Apparent Porosity % ≤30% ≤28%
Compressive Strength Mpa ≥8.5MPa ≥8.5MPa
Bulk Density g/cm3 ≥1.75 1.78
Our silicon carbide crucible is isostatic forming, which can use 23 times in furnace, while others only can use 12 times

crucible3 crucible4

 


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