• 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 high alumina bricks
        项目
        Property        		 指标
        Standard
        LZ-80 LZ-75 LZ-65 LZ-55 LZ-48
        Al2O3 ≥80% ≥75% ≥65% ≥55% ≥48%
        常温耐压强度MPa
        Cold crushing strength        		 ≥55 ≥50 ≥45 ≥40 ≥35
        0.2MPa荷重软化开始温度
        Refractoriness under load 0.2MPa        		 ≥1530oC ≥1520oC ≥1500oC ≥1450oC ≥1420oC
        加热永久线变化
        Permanent change
        in heating        		 1500oC*2h
        -0.4%～0.1%        		 1450oC*2h
        -0.4%～0.1%
        显气孔率
         Apparent porosity        		 ≤22% ≤23% ≤23% ≤22% ≤22%