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Cellular glass is a new kind of inorganic thermal insulating material with a structure of equally closed cells. It is mainly made of glass added with adequate foaming agents after heating and baking in high-temperature tunnel furnace, then annealed. It well reserves the chemical stability of inorganic glass. As a result, it has the following features: low density, low thermal conductivity, vapor impermeability, no water absorption, incombustibility, protection from mould and rat eating, high mechanical strength but easy to cut and able to bear all kinds of chemical erosions except the hydrofluoric acid.
Cellular glass, nontoxic in itself, has stable chemical properties and good thermal insulating performance protecting from deteriorating at a wide temperature range from cryogenic temperature to high temperature. At the same time, it can protect from humidity, fire and erosion. It is praised as "permanent thermal insulating material with no need of renewal", because it is not only safe but also durable in rigor conditions of low and cryogenic temperature, underground, open air, flammability, moisture sensitivity and even chemical erosion. Consequently, it is widely applied in permanent projects as heat and cold insulating material, such as in the industries of petroleum, chemical engineering, architecture, refrigerated warehouse, underground project, shipbuilding, national defense and war industry.
In addition, it can be made into chromatic sound-absorbing cellular glass if adequately added different metal oxides as foaming agents. It is used as sound absorbing material in cinemas, subways, meeting rooms, workshops with noise, studios and so on. Currently, domestic manufacturers can only produce middle quality cellular glass, due to the limitations of recycled glass, fabrication processing and equipment, etc. The physical properties, such as thermal conductivity and compressive strength, are obviously lower than imported products.
ZJZS invested 135 million rmb, bringing in newest technology, to establish a new cellular glass production line, which can produce 35000m3 of high performance cellular glass every year. The line started production already since from August in 2007. The new line starts from melter, melting right composition glass from sand. Besides, the grinding processing, oven structure, combustion controlling, and finishing system, etc, have been fully upgraded, and the production processing & technical formula have been improved as well. Automatic controlling is adopted for the overall temperature control, weighing precision, processing data, and so on.
This line is of the biggest size and best quality in China, also in Asia. The products meet ASTM standards. It makes possible that customers from petrochemical industry, building, or other fields can buy high quality cellular glass in China, which is equivalent to international quality.
Product Size:
1.Max. Block Size 610¡Á457¡Á(150-200)mm
2.Other specs can be available as per customers' requirements
Technical Data for High Performance Cellular Glass
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Grade
Property |
Unit |
|
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ZES 800 |
ZES 1000 |
ZES 1200 |
ZES 1400 |
ZES 1600 |
ZES 2400 |
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Ave. Density |
kg/m3 |
|
|
120 |
130 |
140 |
150 |
160 |
200 |
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Ave. Thermal Conductivity (10¡æ) |
W/(m¡¤K) |
|
|
0.043 |
0.044 |
0.046 |
0.047 |
0.048 |
0.065 |
|
Ave. Compressive Strength |
MPa |
|
|
0.8 |
1.0 |
1.2 |
1.4 |
1.6 |
2.4 |
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Water Absorption |
Vol% |
¡Ü0.5 |
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Chloride Content |
ppm |
¡Ü2 |
|
Service Temp. |
¡æ |
-268¡«+480 |
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Lineal Expansion Coefficient |
1/¡æ |
9¡Á10-6 |
Technical Data of Cellular Glass
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Model
Property |
Unit |
ZES-1 |
ZES-2 |
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Density |
kg/m3 |
150¡À100 |
170¡À100 |
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Ave. Thermal Conductivity (10¡æ) |
W/(m¡¤K) |
0.056 |
0.060 |
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Ave. Compressive Strength |
MPa |
0.8 |
1.1 |
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Water Absorption |
Vol% |
¡Ü0.5 |
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Service Temp. |
¡æ |
-196¡«+450 |
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Lineal Expansion Coefficient |
1/¡æ |
9¡Á10-6 |
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Reliable Application Service:
1£® Tank Base Bearing and Insulation for Big Volume Tank
2£® Low Temperature and Cryogenic Piping, Vessel, tank and Equipment
3£® Undergtound or Aboveground Steam Piping and Chilled Water Piping
4£® Chilled or Hot Water Suppling Piping
5£® Offing Oil Platform
6£® Circulation and Dual Temperature System
7£® Heating Piping and Equipment
8£® Hot Oil or Asphalt Tank
9£® Liquid Heat Exchanger System |
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