浮法鋼化(hua)玻璃用(yong)石英輥    退火(huo)用(yong)石英輥    非標(biao)石英產品 

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.

太原石英陶瓷輥性(xing)能(neng)指標(biao)/The Properties Of Fused Silica RoIler

項目(mu)ITEMS       ;                   指(zhi)標 TARGET

抗壓強度(du) compressive strength(mpa)       ≥60

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

SIO2(WT%)                                                       ≥99.96

顯(xian)氣孔 Apparent Porosity                                  8-11

高溫抗彎度 Bending Strength(mpa)                  ≥30

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

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

直(zhi)徑(jing)公差(cha) Diameter Tolerance(mm)                  ?0.05

徑向跳動 TIR(mm)                                           ≤0.13