ITEM | Unit | KA 35 | Testing Accordance with | |
KA35-1 | KA35-2 | |||
Al2O3 | % | ≥35% | DIN 51 070 Part 3 | |
Fe2O3 | % | ≤2.5% | DIN 51 070 Part 5 | |
Apparent Porosity | % | 19% | 24% | DIN 51 056 |
Cold crushing strength | N/mm2 | ≥30 | ≥30 | DIN 51 067 Part 1 |
Refractoriness Under Load (DFB) Initial Temperature ta | ℃ | ≥1400 | ≥1350 | DIN 51 064 |
Refractoriness Under Load (DE) T0.5 | ℃ | ≥1300 | ≥1250 | DIN 51 053 Part 1 |
Refractoriness | ——— | DIN 51 063 Part 1 | ||
Creep - in compression | % | ——— | DIN 51 063 Part 2 | |
Thermal Shock Resistance | Times | As per mutual agreement | ——— | |
Typical Application | Ascension Pipe, Oven Roof of Coke Oven |