产品荷重软化温度较高，抗中温蠕变性能好，抗热冲击性能好，是热风炉中低温部位用的主要耐火材料。
RUL, creeping in middle temperature and thermal shock properties are excellent. These products are popular for the middle-low temperature parts of hot blast stove.
这种长久抗压性不但能抵受混凝土底板重量及其荷重，并可抵受在施工期间不可避免的外来压力及冲击力。
This kind of character not only can endure the concrete bottom board weight, but also may endure inevitable external pressure and impulse during the construction period.
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