Berkshire,
We have a device to control thickness across the sheet. I'm not saying that they are perfectly constant but I would say that thickness vary between 1.75mm and 1.9mm.
and the edges often are thiner than the center.
Thanks for your answer
Compositepro,
We tried not to cut the edges online. we left the sheets with the edges to cool down but the waves appeared anyway...
But we did not consider the moisture factor.
Thanks for your answer
Hi everyone,
I'm new to this forum and hopefully it will help me to find some answers.
We try to produce PVC sheets for wall covering but we have an issue of wavy edges.
When the sheets come out the line and are stacked they are perfectly flat but after hours and sometimes days (it seems to...