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144188195215245280

Maruwa Electronic India Private Limited

Chennai, Tamil Nadu

| GST  33AAECM2281L1ZF

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Other Products

Our range of products include Alumina Substrate, Ceramic Valve, Ceramic Media, Ferrite Magnets and LED Light.

Alumina Substrate
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Alumina Substrate

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The substrates are produced under severe quality control with carefully selected high-purity Alumina materials that ensure stable quality and excellent characteristic.
Surface State
Good smoothness/flatness with less porosity due to fine particles. Excellent in adhesion with thick/thin film materials.
Thermal Characteristics
Physical/chemical characteristics are stable even under a hot environment.
Excellent in thermal shock resistance.
High thermal conductivity and coefficient of thermal expansion similar to that of silicon.
Warp
Minimal warpage, bending, and undulation.
Dimensional Accuracy
Less variance in outline,plate thickness, slit pitch, etc.
Mechanical Characteristics
High mechanical strength and excellent resistance against oil and chemical.
Electrical Characteristics
Excellent in insulation properties, high dielectric breakdwon voltage, high surface resistivity/volume resistivity, and small dielectric constant.
Breakage
Stable breaking strength, and less variance in shape/dimension.

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Ceramic Valve
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Ceramic Valve

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For MARUWA ceramic valves,high performance and high reliability are realized by means of our original material technology, press technology, and high-precision processing technology developed over many years. Sliding parts over other than valves are available through our surface polishing technology. The sliding properties can be futher improved by applying carbon coating developed by our company.
High strength, resistance against wear
Excellent in resisance against wear, and hardness second to diamond.
Thermal conductivity, heat resistance, thermal shock resistance
High thermal conductivity, excellent in heat resistance/ thermal shock resistance.
Chemical resistance
Excellent resisance against chemical not to be damaged by acid and alkali.
Applications
Faucet valve, Sliding Parts.

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Ceramic Media
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Ceramic Media

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Used at glass,porcelain enamel,abrasives,cement,pigment, and other ceramic factories, and weak electric appliance makers, as powder grinding media for pot mills, tube mills, and vibration mills.

High Grinding Efficiency

The high hardness and large specific gravity of the material itself enchance the grinding efficiency and shorten the grinding time.

Long Life of Ball

The wear resistance is as large as approx. five times that of ordinary porcelain balls.

The Purity of Ground Substances Can Be Kept High

The grinding loss of ball is small, and the quantity of abraded ball material mixed with the ground substances is small; therefore, the purity of ground.

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Ferrite Magnets
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Ferrite Magnets

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Used in wide range of applications including speakers, communication equipments,motors, relays, sensors,etc.

Standard Material Characteristics and Applications

There is no substantial difference between isotropic and anisotropic Ferrite Magnets. However,Anisotropic Ferrite Magnet is manufactured by rotating particle of micro powder by imposing external magnetic fields on them while molding the press and then forming crystalomagnetic axis in line according to the direction of the press. Therefore Anisotropic Ferrite Magnet is drastically improved in magnetic performance compared with Isotropic Ferrite Magnet. Its magnetic energy per unit weight is equal to that of cast magnets.
Wet Anisotropic Ferrite Magnet is manufactured by pressing mud powder within magnetic field. These magnets are classified into the following categories: Q6 (Barium type), SR-1H, SR-2H,SR-1, and SR-3 (Strontium type). When you design magnetic circuit including magnets, if there is a large opening in the circuit, or the circuit receives great influence from external magnetic fields, or occurrence of irreversible demagnetization at considerably low temperature must be avoided, we suggest using SR-1H, SR-2H, SR-1, or SR-2 with great coercive force. When you need high magnetic flux density, we suggest you use SR-3 which has large energy product.
SR-30, SR-40 and SR-40S are Dry Anisotropic Ferrite Magnets which are manufactured by pressing dry magnetic powder in magnetic fields and ideal for mass production of small-sized products.

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LED Light

LED Light

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Maruwa Electronic India Private LimitedNew No. 126, Old No. 180/A Mount Poonamalle Road, Porur, Porur,
Chennai-600116, Tamil Nadu, India

Sivakumar (Owner)

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