• High Quality Refractory Cenospheres - Raw Materials for Refractory System 1
High Quality Refractory Cenospheres - Raw Materials for Refractory

High Quality Refractory Cenospheres - Raw Materials for Refractory

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Product Description

  Cenosphere, sometimes called microsphere, is a light weight, inert, hollow sphere made largely of silica and alumina and filled with air or inert gas., typically produced as a byproduct of coalcombustion at thermal power plants. The color varies from gray to almost white and their density is about 0.6–0.9 g/cm³, all these property give it a widely application for insulation,refractory,oil drilling,coating,construction use.

1, Company Introduction,

----We as the only Asia director of TVA and ISO 9001:, have been dealing non-metallic minerals for nearly 20years, with a strict quality control and sincere service, our cenosphere has enjoyed a popular market in Australia,New Zealand, USA,Japan,Korea,Thailand etc, also hope to serve you this time with our products and service.

2, Specifications,

Specs/Grade

Grade1

Grade2

Grade3

Grade4

Grade5

True Density(g/cc)

0.6-0.7

0.7-0.85

0.85MAX

0.8-0.9

0.9-1.0

Bulk Density(g/cc)

0.37-0.40

0.38-0.41

0.39-0.42

0.40-0.43

0.45-0.5

Compress Strength(Mpa)

20-40

40-60

40-80

40-80

50-100

Size(micron)

40-300

40-300

40-300

40-300

40-300

Float Ratio

95%min

95%min

95%min

95%min

95%min

PH

7-8

7-8

7-8

7-8

7-8

Thermal Conductivity(w/m.k)

0.036-0.060

0.036-0.060

0.036-0.060

0.036-0.060

0.036-0.060

Refractoriness

1100-1660°C

1100-1660°C

1100-1660°C

1100-1660°C

1100-1660°C

Color

Grey/White

Grey/White

Grey/White

Grey/White

Grey/White

Moisture

2%MAX

2%MAX

2%MAX

2%MAX

2%MAX

Kraft Packing

20KG

20KG

20KG

25KG

25KG

Packing-2

400KG

400KG

450KG

500KG

500KG

3, Typical Applications,


1), Chemicals/Coating/Painting --- Provide measuring tool in biology and drug research, besides added to paints and epoxies to modify viscosity and buoyancy ;

2), Plastics --- Used to decrease material density (glass and polymer);

3), Ceramics --- Used to create porous ceramics used for filters;

4), Cosmetics --- Used to hide wrinkles and give color;

5), Electronic paper --- Dual Functional microspheres used in Gyricon electronic paper

6), Insulation --- expandable polymer microspheres are used for thermal insulation and sound dampening.

7), Retroreflective --- added on top of paint used on roads and signs to increase night visibility of road stripes and signs;

4,Some pictures about our cenosphere for your checking,

1: Floating Tank,

Any interests on our cenosphere/microsphere, pls feel free to let us know, hope to serve you soon.

Best regards.


FACTORY:


Q: Do you know what the main indicators are for the inspection of refractory materials? Thank you very much for your requests and reports
Fire resistance, combustion performance, combustion heat value, fire resistance, high temperature resistance, fire rating test and so on. Regular testing institutions are generally reported, Qingdao standard also can, the results are more accurate.
Q: who knows the fire resistant levels of fireproofing glass?
According to the fire resistance levels, it can be divided into three categories: Class A: a kind of fireproofing glass that can satisfy the requirements of refractory integrity, refractory and thermal insulation at the same time. Including composite flameproof?glass and perfusion type fireproofing glass . This kind of glass has the properiyies of transmittance, fireproofing ( smoke insulation, fireproofing, and keeping out thermal radiation), sound insulation, shock resistance, and it's suitable for steel and wooden fire door of building decoration, windows, varnishing, partition walldaylighting?roof,ceiling?screen,perspective floor and other construction components demading for transparency and fireproofing. Class B: Marine fireproofing glass, including porthole fireproofing glass and rectangular window fireproofing glass, surface glass pane is tempered safety glass, the inner surface glass pane material can be arbitrary selection. Class C: it's a kind of monolithic fireproofing glass that only satisfies the requirements of refractory integrity. This kind of glass has characteristics of transmittance, fireproofing, smoke insulation and high strength,etc. It's suitable for fireproofing glass partition wall, fire Windows, outside curtain wall and other places without insulation requirements.
Q: Is fireclay corrosive?
No. All of the refractory materials have stable chemical properties and their usability can be guaranteed under high temperatures.
Q: I wanna ask about the building insulation materials fire rating?
Hello, I am happy to answer your questions about the classification of building insulation materials fire rating: 1. The thermal insulation material of level A combustion performance: Rock wool, glass wool, foam glass, foamed ceramics, foam cement, hole-closed perlite, etc. 2. combustion performance is level B1 insulation materials: Extruded polystyrene board (XPS) after special treatment / Special treatment of polyurethane (PU), phenolic aldehyde and gelatine powder polyphenyl granule 3 combustion performance is level B2 insulation material: Molding polystyrene board (EPS), extruded polystyrene board (XPS), polyurethane (PU), polyethylene (PE), etc. I hope I can help you
Q: Who knows about the fire endurance of sintered shaly hollow bricks?
Sintered shaly hollow bricks of Chu area have high intensity. The average compressive strength of them is up to 15.8, which matches with M7.5 cement mortar that has advantages of low water absorption, and good anti efflorescence performance. The fire endurance of sintered shaly hollow bricks should not exceed1050 degrees otherwise they will burn excessively. I, actually, think that the temperature should be controlled within 980 degrees. I hope my answer may help you.
Q: Which industry does the metallurgy and thermal insulating and refractory material belong to?
Metallurgical industry and refractory industry.
Q: What kind of refractory materials are used in the intermediate frequency furnace?The domestic boric acid can be used as a lining?, how much is the rate?
The variety of refractory materials for intermediate frequency furnace is mainly made of aluminum and silicon, both shaped and unshaped refractory materials are available. I have no ideas what you said boric acid, I’ve never seen that boric acid was used as an additive.
Q: Development trend of refractory industry
In the central provinces in Henan, Shanxi, Liaoning China main manufacturer of refractory material, which is the main origin of three China bauxite, magnesite and other refractory materials; refractories industry by the end of May 2009 more than 3236 enterprises; industry revenue reached 67 billion 52 million 540 thousand yuan, Henan Province, Liaoning, Shandong, Jiangsu, Hebei and other regions, and refractories industry in the development of better leading enterprises, such as blue and white, accessible, prco etc. at present, its sales in the industry in the proportion is still small, the largest sales is also inadequate in refractory industry in 4%. An enterprise should play a leading role in leading enterprises in the industry, and its turnover in the industry should be more than 15%. Obviously, at present the refractory industry in the leading enterprises do not have, and the refractory industry concentration needs to be improved, and the existing resources in the refractory industry integration, is undoubtedly the way this process effective and efficient.
Q: Does anyone know the fire endurance of steel stud partition?
Indeed ① Dragon Brand gypsum board fire-resistant partition: Its fireproofing extreme time is 4 hours, suitable for firewalls of a variety of public buildings, public exit passageway and other partitions, which meets the first level of fire protection standard ② fireproofing and pressure-resistant partition: Refers to the partition which can withstand momentary gas shocks of over 1200pa , mianly used for the room partition with inert gas fire-fighting needs, such as equipment rooms. The pressure-resistant degree of fireproofing and pressure-resistant partition of Beixin Building Materials can be up to 4800Pa, especially suitable for high-rise fireproofing.
Q: What needs to be paid attention to in the construction of high- temperature refractory mortar?
1. During the use of high- temperature refractory mortar, the minimum mortar joint should be 0.5mm and general mortar joint should be 3-5mm, which can solve the processing and fine grinding of refractory brick on the brick grinder. Besides, it is conducive to the health of workers, and can reduce the masonry effort, ensure the quality and speed up the construction progress. 2. When making urgent repair on the stove, if the joint is much too large, 2-3mm refractory pieces can be appropriately added into the high- temperature refractory mortar, and stirred to fill the joint so as to shorten the repair time and ensure normal production. 3. High- temperature refractory mortar can be painted inside various furnace body, and it should be guaranteed that the surface of the furnace body has no dust or debris before painting.

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