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Glocal
company of fine ceramics ＜MARUU INC.＞
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From raw material preparation,
forming, processing, to inspection・・・
You may rely on us to develop
and manufacture ceramic products!
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| Let us introduce our product
range full of great individuality to meet the needs of the age! |
What is “fine ceramics”・・・? Inorganic
nonmetal materials such as pottery, cement, and bricks, which are
high-temperature proceeded during production, are called ceramics. Ceramics, which especially have great
quality and high accuracy, are called fine ceramics. They are for industrial use.
With our strength of integrated manufacturing system
from raw material preparation, mold making, forming, processing, firing,
finishing to inspection, as well as specialized machines and tools, we are
satisfying advanced needs of customers.
We introduce here, especially, our main products, small parts and high
accuracy parts we are proud of.
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| ■Raw materials and features |
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Raw
materials
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Alumina (98%)
Alumina
(99.9%)
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Zirconia |
Silicon
Nitride |
Silicon
Carbide |
| Sample
products |
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| Features
and applications |
The
melting point of Alumina is 2,050℃ and its hardness is next to diamond. Pure Alumina is an insulator. Since Alumina satisfies most of general
features of ceramics, such as corrosion resistance, abrasion resistance and
high-strength, and is cheap, it is widely used as a representative ceramics. |
Zirconia
has high-strength and toughness at room temperature and its melting point is
over 2,500℃. Since this material has excellent
abrasion resistance, corrosion resistance, bending strength and surface smoothness,
its application is expanding such as sliding parts. |
In
addition to standard features of ceramics, Silicon Nitride has excellent
thermal shock resistance, and maintains its strength at high temperature. This material is suitable for the parts of
various engines and gas turbines, and its applications are diversifying. |
Silicon
Carbide maintains its strength at high temperature, 1,400℃. This material has electrical conductivity and metal-like thermal
conductivity. Due to its excellent
corrosion resistance of all fine ceramics, Silicon Carbide is used for
mechanical seals and pump parts. |
| Molding
methods |
Injection
molding
Powder
molding
Extrusion
molding
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Injection
molding
Powder
molding
Extrusion
molding
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Injection
molding
Powder
molding
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Injection
molding
Powder
molding
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