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Nishimura Advanced Ceramics Co.,Ltd
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    • Ceramic Heat sinks for LED parts
    • Ceramic Square Plate ,Round Bar, Round Plate
    • Ceramic for medical equipment and analyzers
    • Porous Alumina Ceramics
    • Ceramic for semiconductor, liquid crystal manufacturing machines, and for solar equipment
    • Ceramic for machine parts and pump parts
    • Ceramic For optical products
    • Ceramic for temperature sensor parts
    • Ceramic for lighting apparatuses
    • Ceramic insulators for heaters, crucibles and heat-resistant parts
    • Ceramic for power supply devices and insulators
    • Arc extinguishing ceramic(Arc resistant ceramic)
    • For catalysts, antibacterial processing and water treatment
    • Metal Injection Molding feedstock binder mixing (MIM)
    • Machinable Ceramic (avaliable for Cutting)
    • Ceramic Circuit Board
    • CIM(High-pressure Ceramic Injection Molding)
    • Apatite Bio Ceramic (Nano Freeze Dried Powder, CIM feedstock)
    • Large Size Advanced Ceramics (N-99, N-999, AlN, Zirconia)
  • Material
    • Translucent Alumina ceramics
    • High purity Alumina ceramics series
    • Alumina ceramics
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    • High reflective (Visible light) ceramic N-9000T
    • Aluminum Nitride ceramics (170Wat, 200Wat, High purity version)
    • Zirconia/Black zirconia/Blue Zirconia/ Hipped zirconia ceramics
    • Anti-Plasma material / Yttria
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    • Mullite ceramics
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    • Lithium ceramic N-10J(β-spodumene, petalite)
    • Cordierite
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    • Low dielectric loss tangent ceramics for high frequency applications /10⁻⁵ (High Frequency/Antenna/Semiconductor Manufactruing Equipment/5G/6G/Automobile Radar/High Speed Digital)
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Home > Product > Porous Alumina Ceramics

Porous Alumina Ceramics

Nishimura Advanced Ceramics produce porous Alumina in levels of micro porous ceramics and nano porous ceramics.

customize porosity and pore size according to customer’s requests.

pore size:φ0.1μm(100nm)~50µm
shape: ball, bar, plate, pellet. customize products are also possible, feel free to ask here.

If you are looking forward to find vacuum chuck plate, please enter here.

features of porous ceramic

  • Passing liquid or gas through
  • Lighter than other ceramics
  • Outstanding small pore size 0.1um(100nm)

By these features , especially outstanding small pore size 0.1um, Nishimura’s porous ceramics can be applied in many ways.

Common applications of porous ceramics

  • Liquid absorption.
  • Liquid separation After taking water repellent treatment, it can separate oil and water.
  • Carrier of fragrance, deodorant, and germicide. It can support any liquid, and keep the liquid for a long term.
  • Bactericide. It can support silver or another kind of germicide.
  • Filter Porous ceramic is used as a liquid or gas’s filter/separation.
  • Catalyst, can keep platinum oxide. providing deodorization/ decompose of exhaust gas and also malodorous component removing.
  • Nano bubble It can be used as a nano-bubble generator. We can also arrange porosity, pore size, and type of shapes according to customer’s request. Please feel free to ask us  if you are interested.

When we take the original water repellent treating, the ceramic doesn’t soak up the water-based ink.

Without the water repellent treating, it absorbs water-based ink.

The characteristic chart

  R-200 R-203 N-99EP
Main Composition(Al2O3) 91% 91% 99%
Bulk specific gravity 1.5 1.6-1.7 2.5
porosity percentage 55.0 51.0 35.4
pore size*(μm) 1.4 0.7 0.1(100nm)
Water absorption(%) 35.0 30.0 14.0
Bending strength(MPa)     200
Max.Heat resistant temperature(℃) 1100 1100  
Shape Ball, Pellet, Round Bar, Square Bar, Pipe, Plate, Tube, and Customize Products.
Example Liquid absorption absorb and keep any liquid.
Liquid separation After taking water repellent treatment, it can separate oil and water.
Carrier of fragrance, deodorant, and germicide. It can support any liquid, and keep the liquid for a long term.
Bactericide It can support silver or another kind of germicide.
Filter Porous ceramic is used as a liquid or gas’s filter/separation.
Catalyst

Catalyst, can keep platinum oxide. providing deodorization/ decompose of exhaust gas and also malodorous component removing.

Nano bubble It can be used as a nano-bubble generator

 *Median pore diameter

Large pore porous ceramics(Available for large size)

粗粒タイプのポーラスセラミックス

This material is a porous ceramic which has rougher pore size. Pore size (Median diameter) is 2~16μm. Porosity is higher as well. 
It is available to make a Maximum size ∮500 mm.

Materia No. NK-200 NK-400 NK-900 NK-1500 Note
 Material  Alumina  
 Porosity %  46.9  51.7 47.5  47.2  JIS R1655
 Pore Size*(um)  2.0  3.8  9.3  15.5
 Shape  Square plate, Round plate, Square bar  
 Usage Vacuum chuck, Filter, and so on.  

                              *Median pore diameter

R-200 Porous alumina crucible

ポーラスセラミックスR-200で作った容器

We have made a crucible by R-200. This crucible is made by mechanical press.

Therefore, it is possible to be purchased in a more affordable price.
It has very high water absorption, so it will support a liquid for long time.

It is possible to support any kind of liquid such as fragrance or silver liquid. 
It will also work as a liquid separation.
Sample size φ40×50H

N-99EP nano porous alumina crucible

ポーラスセラミックス N-99EP

N-99EP is Alumina 99% ceramic-based nanoporous ceramics produced in the Nishimura factory in Kyoto, Japan.

  • Porosity 35%
  • Pore size 0.1μm
  • Water absorption 13.9%

Tiny Porous ceramics

 

4mm×4t 2.8mm×0.9t

Porous ceramics that made by NK-3000W.

Commonly used as vacuum chuck, suction pad and filter.

Product

  • Ceramic EV relay case / DC contactor case
  • Low-pressure Injection Ceramics
  • Partial adsorbing porous vacuum chuck VM-6 / Ceramic vacuum chuck
  • Ceramic Heat sinks for LED parts
  • Ceramic Square Plate ,Round Bar, Round Plate
  • Ceramic substrate size list (Alumina 96%, Alumina 99%, Aluminum Nitride 170W, Zirconia, ZTA, Silicon Nitride)
  • Ceramic for medical equipment and analyzers
  • Porous Alumina Ceramics
  • Ceramic for semiconductor, liquid crystal manufacturing machines, and for solar equipment
  • Ceramic for machine parts and pump parts
  • Ceramic For optical products
  • Ceramic for temperature sensor parts
  • Ceramic for lighting apparatuses
  • Ceramic insulators for heaters, crucibles and heat-resistant parts
  • Ceramic for power supply devices and insulators
  • Arc extinguishing ceramic(Arc resistant ceramic)
  • For catalysts, antibacterial processing and water treatment
  • Machinable Ceramic (avaliable for Cutting)
  • Ceramic Circuit Board
  • CIM(High-pressure Ceramic Injection Molding)
  • Apatite Bio Ceramic (Nano Freeze Dried Powder, CIM feedstock)
  • Large Size Advanced Ceramics (N-99, N-999, AlN, Zirconia)
  • High purity Alumina ceramic crucible, Aluminum Nitride ceramic crucible
  • Mo-Mn Metallised ceramics
  • Thin Film substrate
  • [High-performance power saving] Hearth Liner
ANYCHUCK Partial adsorbing vacuum chuck
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Properties sheet PDF Downloads
CIM Feedstock
3D Ceramic Printing (Additive manufacturing) Service / Fast Prototyping
Medical ceramics

Contact us

Nishimura Advanced Ceramics Co.,Ltd

+81-80-8305-9205

3-2 Kawata Kiyomizuyaki Danchi-cho,
Yamashina-ku, Kyoto, 607-8322, Japan

npc-e3@nishimuratougyou.co.jp

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西村陶業株式会社

3-2 Kawata Kiyomizuyaki Danchi-cho,
Yamashina-ku, Kyoto, 607-8322, Japan

TEL:+81-80-8305-9205

npc-e3@nishimuratougyou.co.jp

  • Home
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    • Past and Present
    • Our Commitment to Quality
    • Company profile, history and access map
    • Patent, Utility model, and trademark
  • Contact us
  • Ceramic Square Plate ,Round Bar, Round Plate
  • Compare material properties
  • Properties sheet PDF Downloads
  • 3D Ceramic Printing (Additive manufacturing) Service / Fast Prototyping
  • Medical ceramics
  • Facilities introduction
    • Measureing devices for evaluation
  • Manufacturing Technology of Ceramics
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