... /9,6/12,12/24mm Old craft W,X type mosi2 glass heater rod with firm welding point ... products in high temperature oxidation atmosphere, the surface heat to generate a pre-pressing quartz glass, it ... molybdenum rods fixture cannot too tight a twist to heat, stay components, again, this is broken lock components ... V voltage, in order to avoid the radiation heat to chuck, chuck and brick bottom of distance ...