Schruw an Barrel fir Blowing Film Maschien
ExtruderBarrelandScrewSpecification: Ø20mm ~ Ø300mm DrawRatio: L/D=15~55 TechnicalParameterQuenchingandTemperingHardness: HB280-320ScrewStraighitness: 0.015mmmNitridingHardness: HV850-1000NitridedChromiumCoati
méi gewuer ginn