Refractory Ceramic Fiber Module For Boiler Insulation

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Technical Data


Main Technical Property of Ceramic Fiber Module:

Types of Product by Classified by Temperature

Ordinary Ceramic Fiber Module

Standard Ceramic Fiber Module

High-purity Ceramic Fiber Module

High-alumina Ceramic Fiber Module

Zirconia Ceramic Fiber Module

Operation Temp

950°C(1742°F)

1050°C(1922°F)

1100°C(2012°F)

1200°C(2192°F)

1350°C(2462°F)

(kg/m3)

Density

190-220

(%)

Permanent Linear Change in Heating

950°Cx24h≤-3

1050°Cx24h≤-3

1100°Cx24h≤-3

1200°Cx24h≤-3

1350°Cx24h≤-3

Chemical

Composition

Al2O3(%)

44

46

47-49

52-55

39-40

Al2O3+SiO2(%)

≥96

≥97

≥99

≥99

82-84

ZrO2(%)

-

-

-

-

15-17

Al2O3+SiO2+ZrO2(%)

-

-

-

-

≥99

Fe2O3(%)

≤1.0

≤0.8

≤0.2

≤0.2

≤0.2

Na2O+K2O(%)

≤0.4

≤0.3

≤0.2

≤0.2

≤0.2

Anchorage

SS304, SS310(2520)

Note: 1. Product which is classified in accordance with temperature range, can be divided into ceramic fiber cutout, ceramic fiber module and ceramic fiber folded module by different production methods.

Our factory is equipped with advanced laboratory; all the figures in the above table are from experiment. We all provide other experiment figures according to customers' requirements.

Size and Specifications of Ceramic Fiber Module:

Length x Width(mm)

300x300;450x300;600x300

Height(mm)

100;150;200;250;300

Packing

Carton/Pullet

Ceramic fiber will perform excellent refractoriness and improve the integrated thermal insulating performance of the furnace.
Characteristic: (1) Excellent refractoriness
              (2) Excellent chemical stability and thermal stability
              (3) Low thermal conductivity, low thermal capacity
              (4) Resist to external mechanical forces
              (5) Able to withstand any thermal shock
              (6) Generate no gaps between modules


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Q:What are the production methods of calcium silicate board material?
At present most of the static process, the raw materials and auxiliary materials according to a certain proportion, adding an appropriate amount of water, while stirring heated to a certain temperature of the gel, and then after molding, autoclave curing, drying is calcium silicate insulation material products. In static method, diatomite is used as siliceous material, calcium material is more lime. The process is simple, low cost, but when the production needs of large capacity and high pressure kettle, the reaction is not complete, the main form of Tobey mullite type calcium silicate board, the use of low temperature (<650 degrees Celsius), it is difficult to produce light and ultra light high strength products.
Q:Asbestos free calcium silicate board there is a crack in the kettle, what is the reason?
A slab of calcium silicate board production equipment to the emergence of the phenomenon of billet stick (stick billet refers to the calcium silicate board blank attached to the molding cylinder, in shaping cylinder knife when tearing into the surface depression caused by repeatedly feeding back, yield, effect in this case a two quality, three lead to rising production costs)There are two reasons for the phenomenon of sticking: first, the slurry temperature is low, viscosity is big; two, the material is not dehydrated enough, and the moisture content is high.The solution is: 1, improve the slurry temperature, slurry concentration decreased, but the slurry temperature should not exceed 45 DEG C; 2, in the premise of not causing product layer under the vacuum degree increasing, strengthen dehydration, reduce water blanks.
Q:Calcium silicate board for house ceiling, 6mm or 8mm?
Calcium silicate board with fire prevention, moistureproof, sound insulation, thermal insulation, indoor air in wet conditions can attract water molecules in air, air drying, and the release of water molecules, can adjust the indoor humidity, dry, increase comfort. Natural gypsum products and special fireproof material, the flame can produce endothermic reaction, at the same time, the release of water molecules to prevent the fire from spreading, and does not produce any toxic decomposition, corrosive and choking gas, will not produce any smoke or combustibles.
Q:What's the use of white portland cement?
White portland cement as the raw meal with the proper components till the partial melting of the calcium silicate as the main ingredient, the iron content in clinker less addition of gypsum, white water ground made of rigid cementitious material. When grinding cement, allow limestone not to exceed 5% of the cement weight. White cement is mostly ornamental, and its manufacturing process is much better than ordinary cement. The gap is mainly used to hook white tiles, is generally not used in the wall, the reason is not high strength. It is available in the building materials market or decoration materials shop.
Q:What are the three major effects of fly ash in concrete?
The "form effect" of fly ash contains many glass beads, the surface is smooth and the texture is dense. It is this form to water reducing effect, compact and homogeneous effect, can promote the early hydration of cement flocculation effect of solution, change the mixture rheological properties, the initial structure and hardening of the various functions, especially for pumping concrete, can play a good role in lubrication.
Q:What's the difference between white carbon and carbon black?
There are two kinds of substances. Some aspects can be substitutedCarbon black is the hydrocarbon gas in the process of strict control of incomplete combustion or pyrolysis of a black powder.
Q:What are the main use of lime?
Lime milk and mortar, slaked lime or lime paste, with lots of paint. Lime mortar or slaked lime powder can be used to prepare lime mortar or cement lime mixture mortar for masonry or plastering engineering.
Q:Which is better, asbestos free calcium silicate and aluminium silicate refractory fiber?
The two are thermal insulation materials. Calcium silicate board strength, cheap, but the use of temperature is not high, the highest 1000 degrees.
Q:Eterpan with calcium silicate is sold on the market are the same thing? Non asbestos calcium silicate board is Eterpan it
The market is generally understood, but in fact, Eterpan belongs to Guangzhou eternit limited production of the 100 year history of eternit brand board, because the cement product is Belgium hetet group invention.
Q:Cement is not silicate products
So, we usually call cement as cementitious material - cement products

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