A process for selectively forming an antislip surface on a product thermoformed from a plastic sheet is applied to truck bed liners, for example. The surface of a plastic sheet of HDPE or other thermoplastic material is cleaned and masked, preparing a good molecular bonding surface on the selected surface...http://www.google.es/patents/US5858508?utm_source=gb-gplus-sharePatente US5858508 - Method of forming antislip surfaces on thermoformed products
Method of forming antislip surfaces on thermoformed products
