MECHANICAL HANDZ

2.1        Introduction: When exposed outdoors to weathering, the properties of polymers are subject to change. Primarily, the effect i...

3.1        Introduction The effect of installation procedures on the field performance of existing high-density polyethylene (HDPE) p...

1.1    introduction of Polyethylene Since its discovery in 1933, polyethylene (also known as polythene) has grown to become one of the...