浮法鋼化玻(bo)璃用石(shi)英(ying)(ying)輥(gun)    退火用石(shi)英(ying)(ying)輥(gun) ;   非標(biao)石(shi)英(ying)(ying)產品(pin) 

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.

揚州石英陶瓷輥性能指標/The Properties Of Fused Silica RoIler

項目ITEMS                          指(zhi)標 TARGET

抗壓強度 compressive strength(mpa)       ≥60

體積密度(du) Bulk Density(g/cm3)             ≥1.96

SIO2(WT%)                                                       ≥99.96

顯氣(qi)孔 Apparent Porosity                                  8-11

高溫(wen)抗彎度 Bending Strength(mpa)                  ≥30

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

表面粗(cu)糙度 Ra/Roughness Ra（um)               ≤1.6

直(zhi)徑公差 Diameter Tolerance(mm)                  ?0.05

徑向(xiang)跳動 TIR(mm)                                           ≤0.13