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High Temperature Resistance 99% Al2O3 Alumina Ceramic Plate

High Temperature Resistance 99% Al2O3 Alumina Ceramic Plate

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.

We insist on quality first, customer first and sincerity as our goal, and keep developing high quality lg dryer heating element, handmade ceramic pipes, furnace heating element resistance wire for the society. Our company pursues the tenet of 'unity, innovation, high quality and integrity', and satisfies customers with high quality products and services. We would speed up the pace of going global, carry out global industrial layout, and constantly improve the international discourse power and influence. We pay attention to the health of our employees, protect their health, and provide a healthy and safe occupational environment for them. We will wholeheartedly provide customers with excellent quality products and services with a non-stop, pursuit of perfection.

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 have professional people to design the appearance and structure of our High Temperature Resistance 99% Al2O3 Alumina Ceramic Plate, so that it is always in the leading position of similar products. We implement the principle of giving priority to efficiency and giving consideration to fairness, so as to provide fair opportunities and conditions for the development of every employee. We pride ourselves as a company that not only conducts business with a high standard and strong sense of ethics, but as a company that builds relationships of trust with stakeholders and creates extensive contributions to society by providing superior products and services.

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