| Customization: | Available |
|---|---|
| Feature: | Corrosion Resistance, Thermal Shock Resistance |
| Production Process: | Sintering Method |
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| Chemical and Physical Properties | WB-85 | WB-85 | WB-95 |
| Al2O3 +MgO % min | 85 | 90 | 95 |
| Cr2O3 (C) % min | 0 | 2.5 | 2.5 |
| Apparent porosity g/cm3% max | 15 | 13 | 13 |
| Bulk density g/cm3 % min | 3.0 | 3.05 | 2.9 |
| Normal temperature Compressive strength (MPa) min | 80 | 100 | 100 |
| Breaking strength 1500°C×3hmin | 23Mpa | ||
| Chemical and Physical Properties | (Well block) | (purging plug) | |
| AL2O3 % | >=85 | >=85 | |
| MgO% | 3-5 | 1-3 | |
| Cr2O3 % | ----- | >2.4 | |
| Bulk density g\cm3 | >=3.0 | >=2.9 | |
| Apparent Porosity % | <=16 | <=18 | |
| Cold crushing strength Mpa | 110ºC*24h | >=60.0 | >=80.0 |
| 1500ºC*3h | >=100.0 | >=80.0 | |
| Refractoriness under load : ºC | >=1680 | >=1680 | |
| Modulus of rupture 1400ºC *1h Mpa Mpa | >=15.0 | >=15.0 | |
| Linear change 1500ºC*3h % | ±0.2 | ±0.2 | |
| air permeability, m3/hour at P=4 bar | 30M3/H | ||
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