Accreditation

Washington Penn Plastic Co., Inc. has three laboratories located at the Arden Division: Mechanical Testing Laboratory, Analytical Testing Laboratory, and Color Development Laboratory. These laboratories have been accredited to the ISO/IEC 17025 standard by the American Association for Laboratory Accreditation (A2LA) since 1997. The Washington Penn Plastic scope of laboratory accreditation includes a variety of physical and chemical test methods, which can be downloaded from this website.