Specifications
1.natural,non-deformable,non-asbestos2.The fireproof grade is A
3.high bending/compressive strength
4.Xinjiang vermiculite.
Lightweight 100degree Vermiculite Fireproof Slab
Vermiculite fireproof slab is mostly made of expanded vermiculite,which is natural, which is harmless to the environment.
and it hasn't formaldehyde, benzene, toluene and xylene by the test.
characteristics:
1. The fireproofing grade is A grade, under the circumstances of 1000 centigrade degrees after one hour.
2. When the vermiculite board(brick) face to fire or high temperature circumstance, it is non-deformable.
3. Water-tolerant, insulate against heat and sound.
4.The shape: According to your enquired, even the irregular shape. We can produce the vermiculite board(brick) in our range of specification by your detailed inquiry.
Application:
1. Fire resistant core for fire doors
2. Fire resistant walls and ceilings
3. Fire brick in stove, electric heater, storage heater ,furnace and fireplace etc.
4. Heat insulation boards in planes, trains, cars, ships, ovens and pipes etc.
5. Heat preservation and sound insulation boards for walls
Application:
Vermiculite technical specification
Process temperature | Bending strength | Density | Compression strength | Thermal conductivity |
>1100°C or 1000°C | 0.574~5.33Mpa | 400kgs/M3--900kgs/M3 | 0.690~4.90Mpa | Max.0.20W/mK at 600°CMax.0.128W/mk at 34.51°C |
Process range | The minimum thickness | The maximum thickness | The maximum width | The maximum length |
10mm | 80mm | 1200mm | 2440mm |
Vermiculite Element
ELEMENT | SiO2 | Al2O3 | MgO | CaO | Fe2O3 | TiO2 | K2O |
CONTENT(%) | 47 | 10 | 22 | 2.6 | 5 | 0.4 | 11 |
Quality standard
mm | 0.3-1 | 1-2 | 2-4 | 4-8 |
Sand content | <3% | <1% | <1% | <1% |
Moisture | <4.5% | <4.5% | <5% | <5% |