Shenzhen Bluewind Vermiculite Products Co., Ltd.
Professional vermiculite insulation material supplier
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| Physical parameter | |||
| Density (kgs/m3) | 700 | 800 | 900 |
| Max temp. | 1150 ℃ | 1150 ℃ | 1150 ℃ |
| Strength | 4.5/2.0 MPa | 5.5/2.1 MPa | 6.2/2.2 MPa |
| Linear shrinkage | 1% | 1% | 1% |
| Thermal conduct. | | | |
| @ 200 ℃ | 0.14 W/m.k | 0.16 W/m.k | 0.18 W/m.k |
| @ 400 ℃ | 0.16W/m.k | 0.18 W/m.k | 0.2 W/m.k |
| @ 600 ℃ | 0.18 W/m.k | 0.2 W/m.k | 0.22 W/m.k |
| Chemical parameter | |||
| SiO2 | 43-46 % | 43-46 % | 45-48 % |
| Al2O3 | 10-13 % | 10-13 % | 13-16 % |
| Fe2O3 | 4-6 % | 4-6 % | 4-6 % |
| TiO | 1-2 % | 1-2 % | 1-2 % |
| MgO | 16-23 % | 16-23 % | 14-20 % |
| K2O | 7-10 % | 7-10 % | 5-8 % |
| Na2O | 1-2 % | 1-2 % | 1-2 % |
| LOI @ 1000 C | 4-6 % | 4-6 % | 3-5 % |
| Standard size & Thickness | |||
| 1005*615 mm | 10-60 mm thickness | 10-60 mm thickness | 10-60 mm thickness |
| 1225*615 mm | 10-60 mm thickness | 10-60 mm thickness | 10-60 mm thickness |