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China Manufacturer of Alumina Ceramic Crucible for Gold Melting

China Manufacturer of Alumina Ceramic Crucible for Gold Melting

Alumina Ceramic Crucible is made of high quality α-alumina as raw material, and the alumina content is generally above 99%. Our crucible is available in various shapes, including arc-oxygen, square, rectangular, straight (cylindrical), and various special shapes.

All our module ceramic fiber, ceramic bush, ceramic insulation beads for heating elements are world-class quality and the most competitive price in the international market. At present, the company stands on a new development starting point and is improving and optimising its corporate operation and control model. So we could guarantee short lead time and high quality assurance. In the development process, we actively participate in social welfare undertakings and spare no effort to benefit the society.

Description

Alumina Ceramic Crucible is made of high quality α-alumina as raw material, and the alumina content is generally above 99%. Our crucible is available in various shapes, including arc-oxygen, square, rectangular, straight (cylindrical), and various special shapes. The color is generally white, and there are various choices of specifications and sizes. Alumina Ceramic Crucible is suitable for various laboratories, laboratories, metal and non-metal sample analysis and melting materials and various industrial analysis.


Property

Our Alumina Ceramic Crucible is made of high purity alumina containing more than 99%, which makes it highly refractory, chemically stable, and can be used as corrosion and wear resistant parts. It is also resistant to high temperatures, 1600°C for normal use and 1800°C for short periods. Also resistant to sudden cold and heat, not easy to burst. Our crucibles are grouted and molded for high density.

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Attentions

1. Corundum crucible can be used for melting and sintering of certain alkaline melts, but the temperature should not be too high and the time should be as short as possible. In some cases, it can replace nickel and platinum crucibles, but aluminum and aluminum measurements can interfere with measurements. It cannot be used at the bottom.

2. Because of the small bottom of the crucible, it is usually necessary to place the crucible on a clay triangle and heat it directly by fire. The crucible can be placed upright or tilted on the iron triangle and can be placed on its own according to experimental needs. The crucible should not be placed on a cold metal table immediately after heating to prevent it from breaking due to rapid cooling. Do not place it on a wooden table immediately to avoid scalding the table or causing a fire. The correct method is to place it on an iron tripod to cool naturally or on an asbestos grid to allow it to cool slowly. Please use crucible tongs for the crucible.


Data Sheet

Item

Content (%)

Al2O3

99.3

SiO2

0.3-0.5

CaO+MgO

0.2-0.3

K2O+Na2O

0.15-0.3

Fe2O3

<0.05

Others

<0.05


Q&A

1. What is the working temperature?

It ranges from 1650℃ to 1700℃

2. How about the service life?

It is depend on your application.


In an effort to finest meet up with client's requirements, all of our operations are strictly performed in line with our motto 'High quality, Competitive Rate, Fast Service' for China Manufacturer of Alumina Ceramic Crucible for Gold Melting. Our company not only has first-class technical personnel, first-class production equipment, and advanced production technology, but also has high-quality staff, sophisticated inspection equipment, in order to make our products stand out in the competitive peers, and always in the leading position. Welcome to inquire!

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