It is a white material which can be printed in different colours to suit your requirements. This material is typically used for interior applications where there is minimal handling of the asset, or the label can be located in a low contact position.
Polypropylene is available with standard aggressive adhesive or with a high tack option (Tyretac) at a higher cost. Though more expensive, the Tyretac gives best performance for rough surfaces.
Polypropylene has the same aggressive adhesive as the standard silver Mylar.