Made by MgO,MgCl2,Fiberglass mesh
We offer Grade A without sanded magnesium oxide board also:
ALL LEVELS OF MGO BOARD TABLE | |||||
NO | Level Comparison item | GRADE A with sanded | GRADE A without sanded | GRADE B | GRADE C |
1 | magnesium board composition | Magnesium oxide (activity 85%), magnesium sulfate, wood chips, silicon carbide, low-alkali glass fiber mesh,modifier | Magnesium oxide (activity 85%), magnesium chloride, sawdust, perlite, alkali glass fiber mesh, modifier | Magnesium oxide (activity 80%), magnesium chloride, sawdust, perlite, high alkali glass fiber mesh, modifier | Magnesium oxide (activity 70%), magnesium chloride, sawdust, perlite, high alkali glass fiber mesh |
2 | Process | Choice of materials, ingredients, foam, molding, mold release (24 hours), trimming, natural maintenance (28 days) shipping. | The choice of materials, ingredients, foam, molding, mold release (12 hours), trimming, natural maintenance (10 days) shipping. | Choice of materials, ingredients, foam, molding, mold release (6 hours), trimming, natural maintenance (3 days) shipping. | Choice of materials, ingredients, foam, molding, mold release (4 hours), trimming, and delivery. |
3 | Burden calculation | Strictly in accordance with each batch of raw material composition and content, in batches, quantifying, weighing, successive ingredients | According to the ingredients in batches, successive batching | The same ingredients, raw materials, one-time investment | The same ingredients, raw materials, one-time investment |
4 | Modifier | According to the batches of test results to adjust | Unified formula, fine-adjust | Unified formula, do not adjust | No Modifier |
5 | Fiberglass Mesh | Low-alkali glass fiber mesh cloth (density of 7 X 7) | Middle-alkali fiberglass mesh (density of 4 x 6) | High-alkali glass fiber mesh (density 4 X 4) | High-alkali glass fiber mesh (density 3 X 3) |
6 | Filler | Logs of wood chips, silicon carbide, vermiculite, talc | Wood sawdust, perlite, limestone, ash or talcum powder | Plywood used in wood chips, crop straw and husk, perlite | Plywood used in wood chips, crop straw and husk, perlite |
7 | Mixing method | Surface pulp, pulp, pulp of the bottom three times stirring, additives, modifiers separate mixing, final mixing | First mixing the slurry; the stirred slurry injection a mixer, add fill material such as second mixing | The governor high-speed mixer, one or more mixers with a molding machine, all stirring once | The governor high-speed mixer, one or more mixers with a molding machine, all stirring once |
8 | Molding process | Frosted end of the slurry, the surface of pulp in the pulp, four or more layers of glass fiber mesh, without non-woven | Layer of pulp, a pulp level, two or more layers of alkali glass fiber mesh, a layer of non-woven | Two-story high-alkali glass fiber mesh, a layer of syrup, two-story non-woven | Two-story high-alkali glass fiber mesh, a layer of slurry, a layer of non-woven |
9 | Mold release and conservation | 24 hours demoulding, nature conservation 28 days | 12 hours demoulding, nature conservation 10 days | 6 hours using high-temperature mold release, Nature Conservation 3 days | Use of high temperature 4 hours stripping, nature conservation |
10 | Sanding | Will been sanded,can use for a positive both of sanding and smooth | Non-sanding, only with the smooth | Non-sanding, only with the smooth | Non-sanding, only with the smooth |
11 | Accuracy | Computer control of cutting, the thickness error of + /-0.1mm, length and width of error of + /-1mm | Computer cutting, the thickness error of + /-0.5mm, length and width of the error of 5mm | Hand-cutting, the thickness error of + /-0.8mm, the error of length and width of 15mm | Hand-cutting, the thickness error of + /-1.2mm, the error of length and width of 25mm |
12 | Test | Stringent factory inspection records to ensure that each batch of product can be traced | Factory inspection records to ensure that each batch of product can be traced | Form of inspection records, can not be traced | Inspection, no record |
13 | Chemical analysis | Complete chemical analysis room, all the raw materials for each test | Complete chemical analysis room, the main raw material for each test | No chemical analysis room, do not know the analysis methods of magnesium oxide (MgO) and magnesium chloride (MgCl2), without inspection of raw materials | No chemical analysis room, without inspection of raw materials |
14 | Performance | Excellent | General | Poor | Very Poor |
15 | Application areas | Luxury hotels, office buildings, villas, apartment buildings, walls, ceiling, floor | Low-temperature area for the wall, the plate of the wall, the fire door plate, ceiling, etc. | Fire doors lined plate | Construction site pad, temporary housing |
16 | Return halogen | The chloride ion content of less than 5%, and definitely do not get damp, not get halogen | The chloride ion content of less than 10%, will get damp, and sometimes back to halogen phenomenon | The chloride ion content of less than 20% will get damp back to halogen and chalking | The chloride ion content of less than 35%, it will certainly damp back to halogen and powder |
17 | Useful life | 50 years | 10 years | 1 year | 1 month |
Fiberglass board,magnesium oxide fireproof board,fireproof insulation board
