| 摘要 |
<p>A wire coating composition comprises 100 php (parts per hundred parts of polypropylene) polypropylene polymer or copolymer, 1 to 20 php of polyethylene wax and 100 to 200 php of magnesium hydroxide which is provided with a hydrophobic coating. The wire coating composition does not contain any halogen and is essentially free of phosphorous and phosphorous salts.</p> |
