• Shandong Daqiao Co., Limited.
    • Tel: +86 532 85719155/85719176
    • Fax:+86 532 85719186
    • Add:Room 105, Block 3,No.20 West of Yinchuan road, Qingdao, China
    • E-mail:info@daqiaorefractory.com
      wenqin@daqiaoindustry.com
    • Manufactory: Shandong Daqiao Refractory Plant / ShanDong Luqiao New Material CORP.
    • Add: West of Renmin Road, Boshan, Zibo,  Shandong, China  /   Luqiao Road, New Material Industry Area,  Boshan Economic Development Zone, Zibo,  Shandong, China

      • Physical and chemical properties of low creep fireclay bricks for hot blast stove
        项目
        Property        		 指标
        Standard
        DRN-125 DRN-120 DRN-115 DRN-110
        显气孔率
        Apparent porosity

        体积密度 g/cm3
        Bulk density g/cm3

        常温耐压强度MPa
        Cold crushing strength
        ≤22%(24%)


        2.15～2.35


        ≥40


        ≤22%(24%)


        2.00～2.20


        ≥35


        ≤22%(24%)


        2.00～2.20


        ≥30


        ≤22%(24%)


        2.00～2.20


        ≥25
        加热永久线变化
        Permanent change in heating

        压蠕变率 0.2MPa*50h
        \Creep(0.2MPa*50h)
        1400oC*2h
        -0.3～0.1

        1250oC
        ≤0.8%


        1350oC*2h
        -0.3～0.1

        1200oC
        ≤0.8%
        1300oC*2h
        -0.4～0.1

        1150oC
        ≤0.8%
        1300oC*2h
        -0.4～0.1

        1100oC
        ≤0.8%
        化学成分
        Chemical analysis
        Al2O3
        		 ≥45% ≥42% ≥40% ≥36%
        热震稳定性1100oC水冷次数
        Thermal shock resistance
        times cold by water        		 提供数据
        Data must be provide
        注1：括号内的数据为蓄热室子砖或手工砖的指标
        注2：体积密度指标为设计用砖量的参考指标，不作考核
        Mark:
        1) The data in brackets is for checker bricks or hand-made briks;
        2) The bulk density data is for the design of the reference bricks, not for asessment.