| 摘要 |
<p>These comprise (A) bitumen and (B) olefin polymerisates in a wt. ratio of 1:0.05 to 0.05:1. They also contain (C) 0.5-30 wt.% sulphur and are vulcanised with the aid of 0.05-5 wt. % of a vulcanisation accelerator. The compns. may also contain 2-70 wt. % of a filler, 0.05-50 wt. % of a basic materiale.g. cement and 0.01-2 wt. % of a peroxide.</p> |
