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PRODUCT PARAMETERS
Description
Overview of Refractory Ceramic 70 mm Alumina Ceramic Rectangular Crucible Boat
Refractory Ceramic 70 mm Alumina Ceramic Rectangular Crucible Boat is precision-engineered vessels made from 99%+ pure aluminum oxide (Al₂O₃). Designed for high-temperature and corrosive environments, they are widely used in semiconductor processing, heat treatment, CVD/PVD applications, and laboratory experiments. Their superior thermal and chemical stability ensures reliable performance under extreme conditions.
Key Features of Refractory Ceramic 70 mm Alumina Ceramic Rectangular Crucible Boat
Extreme Temperature Resistance – Stable up to 1800°C with low thermal expansion.
Superior Chemical Resistance – Resists acids, alkalis, and aggressive gases.
High Mechanical Strength – Durable and resistant to thermal shock.
Precision Design – Smooth surfaces & uniform dimensions for consistent processing.
Customizable Shapes & Sizes – Available in standard and tailored configurations.

(Refractory Ceramic 70 mm Alumina Ceramic Rectangular Crucible Boat)
Specifications of Refractory Ceramic 70 mm Alumina Ceramic Rectangular Crucible Boat
This alumina ceramic watercraft crucible procedures 70mm long. It has a rectangular shape. People use it in labs and sector. It holds products throughout high warmth procedures. Its dimension is 70mm long. Size and height depend upon the version. You require to examine the precise measurements for your requirements. The product is high-purity alumina ceramic. This ceramic handles severe warm extremely well. It works continuously up to 1650 ° C. Short ruptureds can reach 1750 ° C. It won’t thaw or soften quickly at these temperatures. The boat additionally deals with abrupt temperature adjustments well. Home heating or cooling it fast normally triggers no fractures. This is thermal shock resistance. It stands up to chemical strike highly. Acids do not harm it. Bases do not harm it. Many liquified metals don’t damage it. This chemical inertness keeps your examples pure. The surface is extremely smooth. Glaze is optional. A smooth surface area quits product sticking. It makes cleaning easy. Its layout enables very easy loading and discharging. The rectangle-shaped shape fits heater areas well. Warmth spreads equally inside. You require this for calcining powders. You require it for sintering little parts. You need it for heat treating steels. It performs well in air. It does well in inert gas. Vacuum cleaner use is likewise possible. Handle it thoroughly. Alumina ceramic is hard. It is likewise brittle. Prevent influences or decreases. Assistance it totally during heating. Unequal support creates stress. Stress and anxiety can bring about damage. Clean it after each use. Use ideal cleansing techniques. This makes sure lengthy service life. It offers trustworthy efficiency for demanding heat tasks.

(Refractory Ceramic 70 mm Alumina Ceramic Rectangular Crucible Boat)
Applications of Refractory Ceramic 70 mm Alumina Ceramic Rectangular Crucible Boat
This alumina ceramic watercraft manages intense heat accurately. Its rectangle-shaped shape fits conventional heating system setups perfectly. You utilize it for several demanding jobs needing secure containers. The 70mm dimension fits little batch processing well. Ceramic labs depend on it for regular results. Steel casting procedures value its heat resistance. It withstands molten metal without cracking. This crucible watercraft functions well for sintering powdered steels. Sintering bonds powders making use of warm below the melting factor. The alumina product won’t infect your samples. Purity issues greatly in study and production. Luster manufacturers use it to test brand-new solutions. High shooting temperatures present not a problem. Jewelers employ it for thawing precious metals. Gold and silver require clean, long lasting containers. It offers perfectly for ash content screening. Products get melted totally inside it. Chemical processing plants select it for corrosive compounds. Acids and alkalis will not harm the alumina. Semiconductor production needs ultra-clean devices. This watercraft delivers that important sanitation. Powder metallurgy depends on its form stability. Parts stay uniform during high-temperature cycles. Heat therapy processes need trustworthy equipment. This crucible boat supplies that dependability every day. Its sturdiness minimizes replacement costs dramatically. You save money with time.
Company Profile
Alumina Technology Co., Ltd,. We focus on the research and development, production and sales of alumina products, serving the electronics, ceramics, chemical and other industries. Since its establishment in 2005, the company has been committed to providing customers with the best products and services, and has become a leader in the industry through continuous technological innovation and strict quality management.
Our products includes but not limited to Alumina Boat, Alumina Crucible, Alumina Dish, Alumina Foam Filter, Alumina Plate, Alumina Rod, Alumina Bar, Alumina Balls, Filter Alumina, Nano Alumina Powder, Spherical Alumina Powder, ect. please feel free to contact us.(nanotrun@yahoo.com)

Payment Methods
T/T, Western Union, Paypal, Credit Card etc.
Shipment Methods
By air, by sea, by express, as customers request.
5 FAQs of Refractory Ceramic 70 mm Alumina Ceramic Rectangular Crucible Boat
What is this crucible boat made of?
It uses high-purity alumina ceramic. Alumina ceramic is very strong. It resists heat and chemicals well. This makes it ideal for furnace work.
How hot can it get?
This boat handles temperatures up to 1700°C (3092°F). It stays stable. It won’t melt or warp easily at high heat. It handles sudden temperature changes well too.
What jobs is it used for?
People use it in labs and industry. Common tasks include sintering powders. It’s good for calcining materials. It works for annealing small metal parts. It carries samples in high-temperature furnaces.
How do I clean it?
Cleaning is simple. Let it cool down completely first. Use warm water and a soft brush. Mild detergents are okay. Avoid harsh chemicals. They might damage the ceramic surface over time. Dry it thoroughly before reuse.
What should I avoid doing?
Don’t drop it. Alumina ceramic is strong but brittle. Impacts can crack it. Avoid extreme temperature shocks. Don’t move it directly from very hot to very cold. Use proper tongs for handling. Never expose it to hydrofluoric acid. This acid attacks alumina ceramic.

(Refractory Ceramic 70 mm Alumina Ceramic Rectangular Crucible Boat)
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