... air content, it is capable of producing products ranging from rubber sundries, sealing members, inflating valves, tennis balls and ... with the machine). Eventually, after vacuumization and cutting, the rubber blank with precise weight will then be obtained. Technical Parameter ... Temperature/959595959595 Maximum Die Diameter/mm8012519080125190 Weight limit of Rubber Blank/g0.3--1000.3--2000.3--20000.3 ...