Specifications
1.natural,non-deformable,non-asbestos2.The fireproof grade is A
3.high bending/compressive strength
4.Xinjiang vermiculite.
lightweight Refactroy Vermiculite boards used as fire door core
Product picture:
Application:
Factory picture:
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 |
15mm | 50mm | 1220mm | 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% |
Certificate