Plastic pallet for concrete block making: Be of a long life span. durable and high in strength.and better than other materials in this industry. made from some of pvc, some of chemical fibers and other reclyed material. the life span is over 10 years in normal condition. It is a new type of plastic pallet made from pvc, chemical fibers and other mixed material.It is the best material in block making industry as well as 100% pvc pallet.