furnace hearth 350kg/m3 k wool ceramic fiber boards
GP furnace hearth 350kg/m3 k wool ceramic fiber boards is made from high quality fiber in full-automatic machine via vacuum shaping process, The board has excellent toughness and intensity ,and excellent erosion resistance,it is available in a wide variety of thickness,widths and densities.
Product Features
- Low heat storage and low thermal conductivity
- High compression strength
- Non –fragile materials and good toughness
- Accurate dimension and good planeness
- Structure homogeneity and easy machining
- Easy to install
- Continual production, even fiber with stable property
- Excellent heat stability and thermal shock resistance
Typical Application
- Industrial furnace wall lining and bricking-up insulating layer
- Kiln lining, kiln cars, door baffles, kiln furnace dividers of high temperature kiln
- Heat insulation of high temperature and high-heat equipments
- Heat insulation, fireproof and sound insulation of aerospace, shipbuilding industries
- Combustion chambesr of boilers & heaters
- Hot face lining for furnaces & kilns
- Backup insulation to castable & bricks
- Ladle covers, Aluminium trough liners, Trough covers, Expansion joints, Hot gas duct linging, Riser sleeves,Crucibles, Launders, Tap out cones, Sight holes etc
Technical Data
| Common | STD | HP | HA | HZ | |
Classicfication Temp | 1100°C (2012F) | 1260°C (2300F) | 1260°C (2300F) | 1400°C (2552) | 1450°C (2642) | |
Working temperature | 950℃(1742℉) | 1050℃(11942℉) | 1100℃(2012℉) | 1200℃(21922℉) | 1350℃(2462℉) | |
|
Density (kg/m3) | 250-450 | |
Permanent linear change on heating(%) | 950℃*24h ≤-4 | 1050℃*24h ≤-3 | 1100℃*24h ≤-3 | 1200℃*24h ≤-4 | 1350℃*24h ≤-3 | |
|
Chemical composition | AL2O3 | 37% | 46% | 47-49% | 52-55% | 39-40% | |
ZrO2 | —— | —— | —— | | 15-17% | |
AL2O3+SiO2 | 96% | 97% | 99% | 99% | —— | |
AL2O3+SiO2+ZrO2 | —— | —— | —— | —— | 99% | |
Fe2O3 | ≤1.0% | ≤0.8% | ≤0.2% | ≤0.2% | ≤0.2% | |
Na2O+k2o | ≤0.8% | ≤0.5% | ≤0.2% | ≤0.2% | ≤0.2% | |
Specific | L*W | 1200*1000; 1200*600; 1000*1000; 1000*600; 900*600; 600*300 Thickness:3-80, 10mm | |
|
Certification | ISO9001-2008, ISO14001-2004 | |
P&D | inner plastic bag + outer carton / pallet 15 days delivery | |
Packaging & Shipping
plastic bag inside, cartons or Pallets , all shipped by ST container
Certifications
ISO 9001-2008, ISO14001-2004 MSDS( NO.:NTS1406676M)