Refractory Crucibles Sic Crucible For Melting Copper/Brass/Aluminum

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Shanghai
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1 pc
Supply Capability:
1000 pc/month

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Product Description:

Quick Details for Refractory Crucibles Sic Crucible For Melting Copper/Brass/Aluminum


Type:

High Strength, graphite crucible crucible

Application:

melting metal

Height:

as your requirements

Composition:

High Pure

Top Diameter:

10-600mm

Bottom Diameter:

10-1000mm

Place of Origin:

 China (Mainland)

Brand Name:


Model Number:


Color:

Black grey

Si3N4%:

5min

Fe2O3%:

0.7max

C%:

30-45

Apparent porosity:

30max

Refractoriness:

1680

Bulk Density:

1.71min

Using life:

>5000 hours

MAX temperature:

1600c

Packaging & Delivery

Packaging Details:Seaworty packing or as per customer's detail requirement of graphite crucible.
Delivery Detail:within 20-30 days after confirm order of graphite cru

Refractory Crucibles Sic Crucible For Melting Copper/Brass/Aluminum                       

Product Description

 

Specifications for Graphite Silicon Carbide Crucible For Aluminum Melting :

1.Long working lifetime: its working lifetime is increased 3-5 times over normal clay-crucible due to the compact body formed under high pressure.

2.High thermal conductivity: high-density body and low apparent porosity greatly improve its heat conductivity.

3.New-style materials: new heat conduction material ensures faster heat conductivity and pollution-free product, reduces adherent slag.

4.Resistance to corrosion:better anti-corrosion than normal clay-crucible.


Refractory Crucibles Sic Crucible For Melting Copper/Brass/Aluminum

Refractory Crucibles Sic Crucible For Melting Copper/Brass/Aluminum


 

Refractory Crucibles Sic Crucible For Melting Copper/Brass/Aluminum

Physicochemical Properties

 

Type of Crucible

Type S

Type D

Carbon   Content/%

≥38

≥45

Bulk   Density/(g/cm3)

≥1.70

≥1.85

Apparent Porosity/%

≤29

≤21

Compression   Strength/MPa

≥20

≥25

Refractoriness/°C

≥1400

≥1400

Type S: Clay graphite crucible

Type D: Isostatic pressing graphite crucible

 Cited from CNS China National Standard of Graphite Crucible, which is solely drifted by TIANFU company.  

Content Composition

 

C%

Sic%

AL2O3%

SIO2%

45%-50%

20%-30%

10%-12%

15-25%



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Q:Can the graphite crucible be rinsed with water?
It is not recommended to wash with water. If you rinse with water or get wet, you must bake for about 20 hours before use, until it is completely dry. Otherwise, the graphite crucible will burst because of heating. The graphite crucible has good thermal conductivity and high temperature resistance, and the thermal expansion coefficient is small in the process of high temperature use, and has a certain anti strain property for hot and cold quenching. The corrosion resistance of acid and alkaline solution is strong, and it has good chemical stability. In metallurgy, casting, machinery, chemical and other industrial sectors, it is widely used in smelting of alloy tool steel and smelting of nonferrous metals and their alloys. And has better technical and economic results.
Q:Can quartz ceramic crucibles instead of graphite crucibles?
Graphite heat resistance is much higher than that of quartz ceramics; graphite can be more than 2000, while the highest resistant quartz ceramics 1700 degrees.
Q:What are the advantages of a graphite furnace atomizer compared to a flame atomizer?
Graphite furnace atomic device is a type of system will be placed in the pipe wall, graphite platform, carbon sample holes or graphite crucible with electric heating to a high temperature to achieve atomization. Tubular graphite furnace is the most commonly used atomization device.
Q:How to reduce the degree of oxidation of graphite when sintering at high temperature?
Proper flux and refining time should be smooth, without damaging the oxide film on the melt surface and covering the graphite plate melt at the right time;
Q:Graphite used in graphite in the glass industry?
There are a lot of graphite used in the glass industry, graphite molds, graphite crucibles, graphite heat resistant liners, and so on
Q:There is a good graphite mold supplier, which is the kind of diamond cutter head?
Henan Huixian a lot of people in the gold Goushi graphite mould tool industry.
Q:What is the difference between the indirect method Zinc Oxide and the direct law Zinc Oxide?
Indirect material method of Zinc Oxide is obtained through smelting metal ingots or zinc. Zinc in high temperature graphite crucible at 1000 DEG C converted to zinc vapor, air oxidation of Zinc Oxide before being fed into, and Zinc Oxide collected particles in the cooling pipe. The indirect method is in 1844 by the French scientist Leclair (LeClaire) promotion, also known as the French law. Indirect technology produced by Zinc Oxide is simple and the cost is impacted by raw materials greatly. Zinc Oxide particle indirect method of production with a diameter of 0.1-10 microns, the purity of 99.5%-99.7%. According to the total volume, the indirect method is the main method of production of Zinc Oxide.
Q:Graphite products are mainly used in what industry?
Graphite has good chemical stability. After special processing of graphite, with corrosion resistance, good thermal conductivity, low permeability, is widely used in the manufacturing of the heat exchanger, the reaction tank, condenser, combustion tower, absorption tower, cooler, heater, filter and pump equipment. Widely used in petroleum, chemical, hydrometallurgy, acid and alkali production, synthetic fiber, papermaking and other industrial sectors, can save a lot of metal materials.
Q:The difference between atomic absorption pyrolytic graphite tube and common graphite tube
In addition to its excellent performance, flame atomic absorption has been added with an on-line dilution device and switchable single - and double - path optical systems. The graphite furnace atomic absorption spectrometer adopts transverse heating graphite tube, the heating speed can be as high as 3800K/ seconds, and can set up as many as 30 heating steps to be suitable for various applications.
Q:What are the catalysts for making SiC from rice husk?
Rice husk is a by-product of rice mill processing, accounting for about 20% of the total output of rice. At present, rice husk is more than 60 Mt of rice husk all over the world. Therefore, many places regard rice husk as a waste, which not only wastes resources, but also pollutes the environment. It is of great significance to study and solve the reasonable utilization of rice husk and turn waste into treasure. Using rice husk as raw material can be produced in excess of the value of its own several chemical products, especially the cutting-edge science indispensable high-tech products, which is one of the important products of silicon carbide, and the production process is simple, easy to control, low cost, greatly improves the utilization ratio of rice husk. (rice husk, silicon carbide) (rice husk * SiC)

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