Raw Materials for High Density Oven Insulation Board

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Specifications

Oven insulation board
1.Max Tem.:1800C
2.Density:300-700kg/m3
3.Size:Customized

High density oven insulation board

Product Description

Oven insulation boardbelongs to wet vacuum suction filter molding, the loose cotton and organic

and inorganic binder.

The product has hard texture and excellent strength, anti erosion, easy processing cutting

The chemical properties of refractory fiber material stability, and light weight, good thermal

insulation effect,it is a multi-purpose product, which can be applied to the lining surface of heat resistant flame and high

temperature air directly impact.

Product Overviews

High stability

Low thermal conductivity

Low thermal capacity

Resistance to thermal shock

Resistance to erosion

Easy to be processed and cut

High thickness precision and size precision

Exceptional ability to withstand flames and gas flows

Regular size of Oven insulation board :

LxW:600mmx400mm,1000mmx500mm,1000mmx600mm

Thickness:20-150mm

Epecial size:According to custoers' requirement

Packing:Carton or wooden box

Technology

Parameter of Oven insulation board

Model		LEPE-1000	LEPE-1260	LEPE-1400	LEPE-1600	LEPE-1800
Classification temperature		1000°C	1260°C	1400°C	1600°C	1800°C
Density(kg/m3)		300-700	300-700	300-700	300-700	300-700
Reheating Linear Change (%)		(800°CX24h)<1	(1050°CX24h)<1	(1200°CX24h)<1	(1500°CX24h)<1	(1600°CX24h)<1
Chemical Composition (%)	Al2O3	38	42	50	68	85
	Al2O3+SiO2	96	98	99	99.5	99.8
	Fe2O3	0.2	0.2	0.2	-	-

Thermal conductivity of Oven insulation board

High Density Oven Insulation Board

Q:Refractory factory grinding brick dust harmful to the body?: Inhalation of this dust can affect people's respiratory tract for a long time

Q:Can refractory be used as sealing element?: It can. For example, a kind of irregular part that is made of fiber or some injection mix is used for sealing things.

Q:Why do magnesium oxide refractory bricks can be made into refractories?: Because the magnesium oxide, commonly known as magnesia, which is a basic oxide, with the common property of alkali oxides and belongs to the cementitious material . It is white or light yellow powder, odorless, tasteless, non-toxic and a typical of alkaline earth metal oxide, whose chemical formula is MgO. It is white powder, with melting point of 2852 ℃, boiling point of 3600 ℃ and relative density of 3.58 (25 ℃). The magnesium oxide that is soluble in acid and ammonium hydroxide solution has high insulation properity. After high temperature of above 1000 ℃ burning, it will transform into crystals, and when rising above 1500 ℃ , it will turn into dead-burned magnesium oxide (also known as the magnesia) or sintered magnesia. So the performance of magnesium oxide refractory bricks is good, and the fire resistance of it is very strong.

Q:Can anyone say something about what A-level fire-proof decorative material is?: Combustion performance rates of decoration materials ratess combustion performance of decoration materials A incombustible B1 flame retardancy B2 flammability B3 high flammability The B1 rate combustion performance of gypsum plaster board and mineral wool acoustic panel absorber installed on steel joist can be used as A-level decoration materials. Inorganic decorative coating applied on the A level substrate can be used as A level decoration materials. Hope you adopt

Q:Pals who know something about fire resistant material please tell me how many types of refractory material there are: Classified into ordinary and special refractories. The ordinary refractory material is calssified into acid, neutral and alkaline according to the chemical property. Special refractory material is calssified into high temperature oxide according to the composition for , infusible compound and high temperature composite in addition, can be divided into ordinary refractory products according to the fire intensity (1580 ~ 1770 DEG C), high-grade refractory products (1770 ~ 2000 DEG C) and special refractory products (2000 DEG C above). According to the products shape can be divided into bulk (standard brick, special-shaped brick block, special shape (crucible, sagger, pipe, etc), fibrous shape (silicates of aluminum and zirconium oxide and boron carbide matter) and irregular shape (fireclay, refractory castables and incompletely material).

Q:What is neutral refractory? Can refractory suppliers tell the main components of it?: The material using Al2O3, clay, bauxite and corundum as the main components is neutral material; the material using MgO and CaO as the main components is basic material; the material using SiO2 as th emain component is acidic material.

Q:what's the classification of fireproof materials?: Fireproof materials are used in construction, in various forms and it has played an absolute role in modern fireproofing, common fireproofing materials include fireproof?panel, fire door, fireproofing glass, fire?retardant?coating, fireproof bag,etc Or the material itself has a high temperature resistance, heat-resistant, flame-retardant properties. Most of them are used for the construction industry.

Q:Is the linear change on reheating the same as heating permanent linear change of refractory material?: “+”represents expansion. the afterexpansion and aftercontraction after cooled to be at room temperature. The change may significantly damage the masonry of thermal kiln. There are regulations on the linear change on reheating of common refractory material in the national standard. Some physical chemical changes may continue. It is defined as the change from being heated to the specified temperature of refractory material sample. Heat preserving for a while till afte cooling to be at room temperature, then the residual will expand or contract in its length, heat preservation for a while, organization vitrification, the irreversible changes of its length refers to heating the firing refractory to be at high temperature, so as to make the volume of refractory materials expand or contract, due to the influence of uneven temperature or lack of time, otherwise it will cause the deformation of the refractory ball and make this indicator within standard even reach smaller value, so firing control must be strengthened in product production. But it is should not be too high. For refractory materials with same chemical composition, the linear change on reheating is produced in the heating process. Properly increasing sintering temperature and prolonging the holding time is an effective process measures, make its firing inadequate. When subjected to high temperature, it can reduce the thermal shock resistance. Minus sign "-" represents contraction. The permanent line rate refers to heating the fire refractory ball to the specified temperature. Linear change on reheating, also known as residual linear change, is an important indicator to assess the quality of refractory in the long time use. To control the permanent line rate within the standard or reach the minimum value.

Q:Which manufacturers have the best fire-proof materials with light weight?: Recommend Hubei Boyuejia Industrial Co., Ltd. It is a specialized high-tech enterprise that integrates research and development, production, sale and installation of new lightweight fireproof partition panel, partition panel, new partition panel and mechanical?equipment. Products are lightweight, fireproof, waterproof, sound insulation, thermal insulation, fracture resistance, anti-permeability, environmental protection, strong constitutive property (dense humidity) and other superior performances. It can be widely used in all types of lightweight wall panel of all kinds of buildings, and is one of the preferred materials of plant, residence, hotel, office building and public buildings.

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