الفهرس | Only 14 pages are availabe for public view |
Abstract hdpe is one of the most important polymers as it is widely used in many application , such as automotive , films battery cases ,electric components ,more important is the medical applications of these polymer composites especially as fillers and bone substitute upon mixing with glass-ceramic apatite moreovere these polymers used in tissue calure due to their ability to reform as non-fibers by electro spy methods. |