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drilling alumina ceramic sealing raschig ring flanch
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Alumina Ceramics:
Corundum, the scientific name of alumina enamel, usually we call the yttrium of more than 95% alumina.
1. Corundum is composed of porous fused alumina, which is firm and refractory.
2. Corundum is suitable for melting samples with some weak alkaline substances such as anhydrous Na2CO3 as a flux. It is not suitable for melting samples with strong alkaline substances such as Na2O2 and NaOH and acidic substances (such as K2S2O7, etc.).
3. Characteristics of corundum: high temperature resistance, acid and alkali resistance, rapid cold resistance, chemical resistance.
4. The shape of corundum: curved, cylindrical.
5. Corundum specifications: 5-1000ml.
99.70% corundum 1800 ° C 1650 ° C -1700 ° C corundum in the oxidation and reducing atmosphere, has good high temperature insulation and mechanical strength. The thermal conductivity is large and the thermal expansion rate is small. It does not react with air, water vapor, hydrogen, carbon monoxide or the like above 1700 °C. The short-term maximum operating temperature is 1800 °C.
99.35% corundum 1750 ° C 1600 ° C - 1650 ° C corundum in the oxidation and reduction atmosphere.
85.00% high aluminum 1350 ° C 1290 ° C high aluminum crucible in the oxidation and reducing atmosphere, has good high temperature insulation and mechanical strength. The thermal conductivity is large and the thermal expansion rate is small. Does not react with air, water vapor, hydrogen, carbon monoxide, etc. It can be used for a long time when the temperature of the temperature field does not change much. The short-term maximum operating temperature is 1400 °C.
High hardness, high strength, wear resistance, corrosion resistance, high temperacture (1600°), good thermal diffusivity, good insulativity, low cost etc.
Data Sheet↓
Color: White/IvoryThermal Shock Resistance: 200 △T°C
Maximum use temperature 1650°C
Dielectric Strength: ＞10 KV/mm
Dielectric Constant: 9.1er
Dielectric Loss Angle(1MHz): 0.0002-0.0003
Volume Resistivity(20°C): ＞1014Ω.cm
7.MOQ is not limited, small quantity is welcome.
8.Vigorous team and good after-sales service
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FAQ
Q: Are you trading company or manufacturer ?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-30 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment.
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Main Product:
Alumina Ceramics,
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Aluminum Nitride Ceramic,
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