Potential problems of using slides on wide and to likely to be described in the load rating and testing
descriptions. If the slide has been tested on a drawer of 450mm wide, then it may not work well on your 1m wide project.
The slide manufacturer should have tested each slide model to determine the maximum drawer width it will safely carry. Choosing slides based on the drawer width, as well as the load, is the best way to ensure good movement and reliable performance.