The PU Type Production Stage covers the raw material content of the synthetic leather resin. The following process options are available:
- Leather coating, polyurethane, for synthetic leather is the default selection for Synthetic Leather Example Materials. It should be used unless another process is applicable.
- Leather coating, thermoplastic polyurethane (TPU) should be selected if the resin type of the PU layer is thermoplastic polyurethane.