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Laurel ceramic fiber paper, is a lightweight refractory material processed from a blend of high purity alumina-silica fibers into a highly flexible, uniform sheet.
Grade | Standard | High Pure | High Aluminium | Zirconium | |
Max. Temperature (C) | 1050 | 1150 | 1260 | 1430 | |
Shrinkage on Heating (%) | 800C×24h≤-3 | 1000C×24h≤-3 | 1280C×24h≤-3 | 1400C×24h≤-3 | |
Organic Content (%) | ≤5 | ≤5 | ≤5 | ≤5 | |
Thermal conductivity by mean temp. (W/m.k.) (250kg/m3) | 200℃ | 0.055~0.065
| 0.060~0.070 | ||
400℃ | 0.110~0.120 | 0.105~0.125 | |||
600℃
| 0.160~0.170 | 0.170~0.180 | |||
Chemical Composition(%) | AL2O3 | 43 | 47 | 55 | 38 |
SiO2 | 53 | 51 | 44 | 44 | |
Fe2O3 + Ti2O3 | ≤1.2 | ≤0.3 | ≤0.3 | ≤0.2 | |
CaO + MgO | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.2 | |
NaO + KO2 | ≤0.5 | ≤0.3 | ≤0.3 | ≤0.2 | |
Density (kg/m3) | 170~230 |
1.Easy to cut, wrap or form
2.Low thermal conductivity
3.Thermal shock resistant
4.Low heat storage
1. Competitive Price. Make the products competitive in your market.
2. Abundant Experience. Prevent cracks and twist in bricks.
3. Different Moulds. Save mould fees for you.
4. Lower ferric Oxide,porosity,higher refractoriness,density,higher CCS and exact tolerance.
5. Strict Quality Control. Meet clients' quality requirement.
6. Safty packing,prompt delivery time,and excellent after-sales services.
7. Large stocks. Guarantee prompt delivery.
8. Professional Packing. Avoid damage and secure the goods in transportation.