... before extrusion. parameters:dimension of the rapid heating furnace: 4", 5" , 6", 7' , 8"total length of furnace ... continously):60m³/henergy expenditure of the working temperature:12---13m³T Gasolhigh temperature(adjustable):480---520 degree ... 5.5kw,5.5kwheating time:from20 to 520 degree celsius needs 30minsnumber of the heating segments:2segments,3segments,3segments,3segments,4segmentspower of motor ...