Shandong Daqiao Co., Limited.

Refractory bricks for coke oven
	焦炉粘土砖及半硅砖 Fireclay bricks & Semi silica bricks		硅质 Silica
	JNZ-35	BGZ-65	炉底炉壁及其他 Oven wall and other
	标准值 Standard	标准值 Standard	标准值 Standard
耐火度，锥号CN Refractoriness oC 显气孔率 Apparent porosity % 真比重 True density g/cm3 体积密度 Bulk density g/cm3 常温耐压强度MPa Cold crushing strength	≤24 ≥25.0	≤24 ≥25.0	≤22(24) ≤2.33(2.34) ≥40(35)
0.2MPa荷重软化温度(T0.6) Refractoriness under load 0.2MPa oC 重烧线变化 Permanent liner change 热膨胀 at 1000oC % Thermal coefficient of expansion	≥1350 1350oC*2h +0.2～-0.4	≥1350 1350oC*2h +0.2～-0.4	≥1650 1450oC*2h 0～+0.2 ≤1.28(1.30)
化学成分 Chemical analysis SiO2 % Al2O3 % Fe2O3 % CaO K2O+Na2O 残余石英 % Remnant quautz	32-42 ≤1	≥65 ≤30 ≤1.0	≥94.5 ≤1.5 ≤1.5 ≤2.5 ≤1

	Tel: +86 532 85719155 Fax: +86 532 85719186 Address: Room 105, Block 3,No.20 West of Yinchuan road, Qingdao, China Manufactory : Shandong Daqiao Refractory Plant / ShanDong Luqiao New Material CORP. Phone: +86 533 4290064 Address: West of Renmin Road, Boshan, Zibo, Shandong / Luqiao Road, New Material Industry Area, Boshan Economic Development Zone, Zibo, Shandong
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