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Qingdao O.B.T Manufacture Co., Ltd.
Qingdao O.B.T Manufacture Co., Ltd.

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Mullite sand

The mullite has high aluminum content, low iron content, small dust, reasonable particle size distribution, high bulk density, high temperature strength and low residual strength.
Available:10~16 mesh,16~30 mesh,30~60 mesh,60M,70 mesh,100 mesh,200 mesh,325 mesh.other sizes can be customized.
Mainly used in the aluminum smelting industry, refractory materials, precision casting , aluminum silicate refractory fiber and ceramic industry.

Fused Silica Products

Fused Silica Products

Natural high purity quartz its microstructure at high temperature becomes the amorphous structure of the fused silica. 

Is molten particles and silicon powder with high quality fused silica, through special crushing grinding process, the product high purity, controllable particle size distribution. 

The main characteristics of fused silica are:

●High temperature resistance, good whiteness, melting point 1750 ℃.

●Excellent low electrical insulation.

●High hardness, high resistance to wear.

●Low expansion coefficient is low.

●Chemical properties of stability, in addition to react with hydrogen fluoride ether and alkali, does not react with any other material. 

Areas of application:

Photovoltaic materials, electronic materials, refractory materials, investment casting, high voltage electrical insulation materials, paint coating, silicone rubber, special ceramics, advanced materials, fine chemical industry, aerospace and other industries. 

Casting Wax

Our company model waxes are of high quality, non-filled medium temperature wax. The products are widely used in the process precision casting industry, with good formability, suitable for general hardware, pipe valve parts, sewing machine parts, auto parts, golf heads, aerospace blades, turbines, steam turbines, etc. High-quality industrial parts and wax casting of precision casting products.

Gas Turbine Wheel Parts

OBT Group has specialized in the production of casting, CNC machining, forging titanium alloy,superalloy, brass products and one-stop technical solutions for more than 20 years. OBT focus is on high quality alloy material products for various industries such as aerospace, power plants, medical, automotive, oil and chemical industry, marine, etc. For example,turbine components for gas turbines, steam turbines, and various engine turbocharger accessories, such as turbines, blades, turbine discs, turbine nozzle, and guide vanes. Whether it's engine components operating in extreme high-temperature environments or corrosion-resistant equipment required in the chemical industry, we can provide reliable solutions.

Stainless Steel and Copper Products

As one of the most professional stainless steel and copper products manufacturers and suppliers in China, we're featured by high quality customized service.Please rest assured to buy or wholesale stainless steel and copper products for sale here from our factory.

Casting Machine

We are a professional engaged in precision casting equipment manufacturing, precision metal processing and precision casting technology research Company.

CNC Machining

Machining is a manufacturing method that uses machine tools to precisely cut, shape, and process raw materials. It is a widely used manufacturing process used to make a variety of industrial, automotive, electronics, medical and aerospace products. Here are some basic introductions to machining: 1. Processing purpose: The main purpose of machining is to process raw materials (usually metal or plastic) into the required shape, size and surface quality through cutting, drilling, milling, grinding, turning, cold heading and other processes. to meet specific engineering or design requirements. 2. Machine Tools: Machining is usually done on specialized machine tools or machine tools. Different types of machine tools include lathes, milling machines, drill presses, grinders, cold heading machines, etc. Each machine tool is used for different types of machining operations. 3. Materials: Machining can be used on various materials such as metals (such as aluminum, steel, copper, stainless steel), plastics, and ceramics. Different materials require different cutting tools and parameters. 4. Cutting Tools: Cutting tools are vital elements in machining. They are usually made of carbide, high-speed steel or ceramic and are used to cut or shape raw materials. 5. CNC technology: Computer numerical control (CNC) technology is widely used in machining. It uses a computer control system to precisely control the movement and operation of machine tools to achieve high-precision machining. 6. Further processes: Machining is usually only part of the manufacturing process. Depending on the needs of the product, other processes may be required after machining, such as welding, heat treatment, electroplating, spraying, etc. 7. Application fields: Machining is used in many fields, including automobile manufacturing, aerospace, medical equipment, electronics, shipbuilding, etc. Machining is a highly precise manufacturing method that allows the production of high-quality, to-specification parts and products. In modern manufacturing, it is used along with other manufacturing technologies such as injection molding, 3D printing, etc. to meet various industrial needs.
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