Calcium Silicate Board

High temperature calcium silicate board is composed of xonotlite hydrate and reinforced fiber, without asbestos. It has the advantages of high temperature resistance, strong heat insulation performance, low bulk density, high specific strength, good durability, corrosion resistance, easy cutting and sawing, which can be widely used in energy-saving and thermal insulation engineering of industrial kilns.

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Description

Product features:

Low thermal conductivity and good thermal insulation.

Good thermal stability and small shrinkage value when the temperature changes.

Low density, small bulk density, less heat storage.

Its specific strength is the highest among the hard insulation materials.

It has good durability and has no similar pulverization of ceramic fiber felt after long-term use.

No carcinogens - asbestos, sulfur, chlorine and other toxic substances and other low melting point organic binders

Product application:

Cement industry: rotary kiln, decomposition kiln, preheater, air duct, kiln head cover, cooler Nonferrous Metallurgy Industry: electrolytic cel

Metallurgical Industry: heating furnace, soaking furnace, annealing furnace, high temperature flue, hot air pipeline

Petrochemical Industry: heating furnace, ethylene cracking furnace, hydrogenation furnace, aromatics furnace, catalytic cracking urn ace

Electric power industry: preheating furnace pipeline

Glass industry: furnace bottom and wall

Ceramic industry: core and plate of tunnel kiln and tunnel kiln car

Technical Data

ITEM	RF-20	RF-23	RF-25	RF-27	Type-II
Density（KG/m³）	200	230	250	270	≤220
Density（KG/m³）	±10%	±10%	±10%	±10%	≤270
Flexxural strength （MPa）	≥0.35	≥0.50	≥0.55	≥0.58	≥0.30
Compressive strength （MPa）	≥0.65	≥0.85	≥0.95	≥1.0	≤0.50
Thermal Conductivity W/（mk）	0.05	0.056	0.058	0.062	0.065
Thermal Conductivity W/（mk）	＋0.00011t	＋0.00011t	＋0.00011t	＋0.00011t	＋0.00011t
Working temperature ℃	1000	1000	1000	1000	1000
Heating Shrinkage %	≤2	≤2	≤2	≤2	≤2
Heating Shrinkage %	（1000℃, 16hrs)	（1000℃, 17hrs)	（1000℃, 18hrs)	（1000℃, 19hrs)	（1000℃, 20hrs)

package

product-2812-1280

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