浮法鋼化玻璃(li)用(yong)石(shi)英(ying)(ying)輥    退火用(yong)石(shi)英(ying)(ying)輥    非標石(shi)英(ying)(ying)產品 

The silica ceramic rollers used in float glass tempering lines and kilns. The special parts made from silica ceramic.

The silica ceramic rollers used in float glass tempering lines and kilns. The special parts made from silica ceramic.

石家莊石英陶瓷輥性能指標/The Properties Of Fused Silica RoIler

項目(mu)ITEMS                 ;         指標 TARGET

抗壓強度 compressive strength(mpa)       ≥60

體積(ji)密度 Bulk Density(g/cm3)             ≥1.96

SIO2(WT%)                                                       ≥99.96

顯氣孔 Apparent Porosity                                  8-11

高溫抗彎度(du) Bending Strength(mpa)                  ≥30

熱膨脹系數(shu) Thermal Expansion(x10-6/℃)    ?0.6

表面粗糙(cao)度 Ra/Roughness Ra（um)               ≤1.6

直徑公(gong)差 Diameter Tolerance(mm)                  ?0.05

徑向跳動(dong) TIR(mm)                                         ;  ≤0.13