1、PU+橡胶材质，内含自研发的***性抗静电剂，表面电阻：106-108Ω.PU+RBmaterial,itcontainsself-developingpermanentantistaticagentinside,surfaceanti-electricresistance:106-108Ω.2、硬度65-70℃。密度：0.40-0.45g/mm³Hardness:65-70℃,density:0.40-0.45g/mm³)