በታሪክ ውስጥ በጣም የተሟላ የፖሊሜ ቁሳቁሶች ምደባ
Macromolecular materials, also called polymer materials, are materials composed of macromolecular compounds as the matrix and with other additives (auxiliary agents).Polymer material classification1. Classification by sourcePolymer materials are classified into natural polymer...