• 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

      • Properties of semi-silica bricks of German standard
        E70 E65检验标准
        Inspection
        Standard
        E70-1 E70-2 E65-1 E65-2
        砌筑部位：炉顶、炉底小烟道、蓄热室--格子砖、中间衬 Build Part：Oven top、Oven sole fules、Regenerator--Checker bricks、Internals
        化学成分
        Chemical analysis
        		 SiO2 ≥70%
        1.5
        		 ≥65%
        1.5
        		 DIN51070
        2)  
        常温耐压强度 MPa
        Cold crushing strength         		≥25 ≥40 ≥20 ≥35 DIN51056
        开口气孔率
        Apparent porosity         		≤23% ≤21% ≤25% ≤22% DIN51056
        荷重软化点
        Refractoriness under
        load        		 ≥1350 ≥1350 ≥1350 ≥1320 DIN51064
        溶酸性
        Acid solution        		 ≤5 DIN51063
        蠕变强度
        Creep        		 5-20 Hours   ≤0.1DIN51053
        25 Hours   ≤0.25
        耐火度SK
        Refractoriness SK        		 ≥158  DIN51064
        热震稳定性 次数
        Thermal Shock Resistance         		根据制造厂提供的数据进行协商
        Discuss with the Data Offered by Manufactory        		 DIN51102