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High Purity 99% Alumina Ceramic Sheet with Hole for Industry

High Purity 99% Alumina Ceramic Sheet with Hole for Industry

Alumina ceramic sheet is kind of ceramic plate which could stand temperature of 1700℃.

We are committed to finding a shortcut to improve production efficiency and reduce costs for customers and constantly provide customers with various excellent Alumina Ceramic, Ceramic Heating Element, Furnace Heating Element Sic and services. We have now our possess revenue group, design staff, technical crew, QC team and package group. The strict control of product quality is the responsibility of an enterprise to its customers, the basis for establishing its own brand, and the root of enterprise development. Although our business continues to grow and develop, we always focus on helping customers solve problems. Based on this, we have also achieved our best business results.

Description

Alumina Ceramic Sheet is a widely known and commonly used precision ceramic material. It is a ceramic material with alumina (Al2O3) as the main material. It has been used in electrical components because of its high electrical insulation properties. It is also a material with balanced mechanical performance parameters, so it is used in a wide range of applications, including shelling machine blades, textile industry guide wheels, ceramic guide rails and other industries.


Our Alumina Ceramic Sheet has excellent wear resistance, corrosion resistance and good chemical stability. It has excellent performance and can withstand high temperature of 1700℃. Our products are qualified in all tests, insulation, stable dielectric constant, stable dielectric loss and good electrical performance. In addition, its medium to ultra-high mechanical strength makes it have a long service life and high cost performance.


Common Molding Methods

Grouting method: Grouting is the earliest molding method for alumina ceramics. Due to the use of plaster molds, the cost is low and it is easy to form large size and complex shape parts. The key to grouting is the preparation of alumina slurry. Usually water is used as the melt medium, then a debinding agent and a binder are added, fully ground and vented, and then poured into a plaster mold. Due to the capillary absorption of water in the gypsum mold, the slurry cures in the mold. When hollow grouting, the excess slurry needs to be poured out when the mold walls absorb the slurry to the required thickness. To reduce shrinkage of the blank, a high concentration of slurry should be used whenever possible.

Alumina ceramic slurries also require the addition of organic additives to form a double electric layer on the surface of the slurry particles to keep the slurry in stable suspension without settling. In addition, binders such as vinyl alcohol, methyl cellulose, sodium alginate amine and dispersants such as polypropylene amine and gum arabic must be added. The purpose is to make the slurry suitable for grouting and molding operations.


Properties

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Data Sheet

Index

Value (%)

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. How long is the production time?

Generally, it needs about 3-4 weeks to finish the order.

2. What is the payment terms?

You can pay by T/T, L/C or as per your request.


We implement the competitive bidding mechanism for the supply customers to realize the cooperation between the strong and the strong, so as to ensure the first-class quality of the High Purity 99% Alumina Ceramic Sheet with Hole for Industry. Our company pays attention to technology investment, regards quality as life and realizes the transformation from scale development to quality development. After years of careful management, we have established a good reputation for high quality, low price and good service.

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