Product Description

Refractory Materials: Item unit index RL**5 RL**5 RL**8 AI2O3≥ % *5 *5 *8 Refractoriness oC ***0 ***0 ***0 0.2MPa≥ softening temp under 0.2MPaload oC ***0 ***0 ***0 linear change of-heating ***0oC, 2h % *0.1 *0.4 　 ***0oC, 2h 　 *0.1 *0.4 porosity ≤ % *4 pressure resistance at normal temp ≥ MPa *9.0 *4.1 *9.2 (***0oC) heat and shock stability (***0oCwater cooling) The test data is indicated in the quality certificate