leading provider of compounded polypropylene and polyethylene products, tailored to our customers' application requirements, rather than selling from a list of stock products. wpp has demonstrated numerous successes replacing high-cost engineering resins with lower cost materials by expanding the properties & capabilities of polyolefin compounds. our resulting product categories are:mineral filled (talc, calcium carbonate, mica, etc.)glass fiber reinforced materialsflame retardant materialstpos and soft touch tpe materialscolor concentrateother fillers