大交两性超清美女_大色欧洲性开放AV大全_特黄黄三级视频在线观看_国产精品偷伦视频播放_久久精品人妻无码专区不卡_欧美成人三级全三级_免费看黄网站AV无码_亚洲婷停五月天激情欧美_av网站18禁在线天堂8_日韩av免费毛片

Refractory for Transferring Ladle, Degassing Box,Filtring Box and Launder

        RFTC GV Series is a fused silica based castable which provide optimal property and substrate design. Compared with other castable, GV almost has non volumetric change below 1000. Made by RFTC GV Series with optimal surface and non-wetting property to aluminum alloys, it is specially suitable for trough, degassing boxes, filter boxes, ladle used for long range transport and so on. GV-116 and GV-216 have better insulation property, which are suitable for the pre-cast, such as shunt plate, casting machine.