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Formulation and production process of magnesium oxide fire-proof plate

The technology of magnesium oxide and fireproof board is applied in the field of environmental protection building materials, which can solve the problems of low strength of magnesium oxide fireproof board, and achieve the effect of good application prospect, long service life and high strength.

Inactive Publication Date: 2013-09-25
ZHANGJIAGANG EVERNICE BUILDING MATERIALS
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the problem of low strength of magnesium oxide fireproof boards in the prior art. The present invention provides a formula and production process of high strength magnesium oxide fireproof boards, which have high strength and long service life, and are suitable for long-term use. Has a good application prospect

Method used

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Examples

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Embodiment 2

[0034] In Example 2, 54% of magnesium oxide, 30% of magnesium chloride, 5% of glass fiber cloth, 3% of non-woven fabric, 3% of perlite, 3% of wood chips and 2% of additives, the density of the made magnesium oxide fireproof board is higher The strength is lower than that of Example 1, but glass fiber cloth and non-woven fabric are added in Examples 1 and 2, which can ensure the strength of the magnesium oxide fireproof board.

[0035] The production process based on the above magnesium oxide fireproof board formulation includes the following steps:

[0036] Step (1) Mix the materials, make magnesium chloride into a magnesium chloride solution, which means 25%, and then sequentially put magnesium oxide, perlite, wood chips and additives into the magnesium chloride solution;

[0037] Step (2) Stir, and stir the mixed magnesium chloride solution for 5 minutes;

[0038] Step (3) transport, transport the stirred magnesium oxide solution to the front of the magnesium oxide fireproof bo...

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PUM

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Abstract

The invention discloses a formulation of a magnesium oxide fire-proof plate. The fire-proof plate comprises the following ingredients in percentages by mass: 50-54% of magnesium oxide, 26-30% of magnesium chloride, 4-7% of glass fiber cloth, 4-5% of non-woven fabric, 3-6% of perlite, 3-6% of wood bits and 2% of filling agent, wherein the filling agent comprises 40% of bone glue, 51% of rosin and 9% of caustic soda flakes; the magnesium oxide fire-proof plate is manufactured by a series steps of mixing, stirring, conveying, spreading, roller swaging, curing, mold releasing, drying, cutting and packaging for storage. The magnesium oxide fire-proof plate disclosed by the invention is high in strength, long in service life, suitable for long-term application, and good in application prospect.

Description

[0001] Technical field [0002] The invention belongs to the technical field of environmentally-friendly building materials, and particularly relates to a formula and production process of a magnesium oxide fireproof board. Background technique [0003] Magnesium oxide fireproof board is generally made of polymer mortar, glass fiber mesh cloth, flame-retardant molded polystyrene foam board (EPS) or extruded board (XPS) and other materials, integrating heat preservation, waterproofing and decoration. Noodles and other functions in one. Factory production and on-site bonding construction are the preferred materials to meet the current demand for energy-saving housing construction and to improve the insulation level of external walls of industrial and civil buildings. It is also the first material for energy-saving renovation of existing buildings. Summary of the invention [0004] The purpose of the present invention is to overcome the problem of low strength of the magnesium oxide ...

Claims

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Application Information

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IPC IPC(8): C04B28/32
Inventor 倪斌
Owner ZHANGJIAGANG EVERNICE BUILDING MATERIALS
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