• 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

      • Fused silica brick
        指标
        Property        		 保证值
        Guarantee Value        		 典型值
        Typical Value
        化学指标
        Chemical Property        		 SiO2 ≥98.5% 98.5%-99.5%
        Al2O3 ≤0.6% 0.2%-0.5%
        Fe2O2 ≤0.3% 0.1%-0.3%
        CaO ≤0.1% 0.01%-0.1%
        Na2O+K2O ≤0.2% 0.01%-0.2%
        物理指标
        Physical Property        		 体积密度
        Bulk density g/cm3        		 ≥1.75 1.75-1.9
        常温耐压强度MPa
        Cold crushing strength        		 ≥20 25-50
        1000oC热膨胀率
        Thermal expension at 1000        		 ≤0.3% 0-0.3%
        热稳定性 次
         Thermal shock resistance times        		 ≥30 30-50
        显气孔率
         Apparent porosity        		 ≤18.5% 14%-18.5%
        抗折系数MPa
        Bendingcoefficient        		 ≥3.5 3.5-6.0