| 摘要 |
<p>A heat-shrinkable polyester type film has a dynamic friction coefficient of at least one face with one face of another film ofμd≰0.27 and range R≰0.05 and a weight loss of less than 0.24 g/m2 after 10 reciprocation times with 400 g load using a color fastness rubbing tester comprising a friction element bearing a sand paper with #1000 particle diameter.</p> |
