Washington Penn Plastic Co. Inc. is a provider of polypropylene compounds and polyethylene products. The company provides a wide range of product categories, such as mineral filled, glass fiber re-enforced materials, flame retardant materials and color concentrate. Located in Washington, Penn., it is a privately owned company. Washington Penn Plastic Co. Inc. serves various market segments, including appliance, automotive, construction, consumer house ware, industrial, medical, personal care, packaging and electronics. The American Association for Laboratory Accreditation has accredited the company s laboratories to the ISO/IEC 17025 standard since 1997.