| 摘要 |
The invention relates to the use of a fibre-reinforced plastic material comprising an E-module that is > 8.000 N/mm2, preferably > 10.000 N/mm2, having a softening temperature of > 100 °C, preferably > 150 °C and an elongation coefficient of < 6·10K, preferably < 5·10Kmost preferably < 4·10K, in particular to the use of fibre-reinforced polybutylenterephtalate, polyethylenterephtalate or a mixture thereof, as reinforcement strips (2, 6, 7, 14, 15) of a window or door frame hollow profile (1, 10). |
