| 摘要 |
<p>The invention relates to an antifriction coating material, especially for axle boxes, comprising as a matrix material PTFE (polytetraflouroethylene) or PTFE combined with other flourothermoplastics whose melting point is over 260 C. According to the invention, the antifriction coating material contains at least one polyaramide as powder, the ratio thereof in relation with the total amount of PTFE and polyaramide representing 10-50% by volume.</p> |
