pharmaceutical packaging wholesale - 1 views
-
longsheng on 25 Aug 22Good material density, not easy to leak; Have appropriate mechanical strength and hardness; Good compressibility and resilience, small permanent deformation; No softening, no decomposition at high temperature, no hardening, no brittle crack at low temperature; Good corrosion resistance, in acid, alkali, oil and other media can work for a long time, Its volume and hardness change is small, and does not adhere to the metal surface; Small friction coefficient and good wear resistance; Has softness combined with sealing surface; Good aging resistance, durable; Convenient processing and manufacturing technology, relatively cheap price, easy materials.