
Welcome to GP Certified, the pioneering plastic testing laboratory in Sri Lanka.
We are Sri Lanka’s first facility dedicated to the scientific validation of both recycled and virgin plastics. Our cutting-edge lab provides essential testing services that help manufacturers, recyclers and brands meet the highest global standards in quality, safety and sustainability
Whether you’re working with post-consumer materials, filler pellets, virgin polymers, innovative new blends or finished products, GP Certified offers a comprehensive
testing suite for all commonly used plastics, including PET, HDPE, PVC, LDPE, PP and PS.
GP Laboratory also provides environmental monitoring, including air and water quality testing, for plastic-related production facilities.
We provide:
We test a wide range of plastic materials, including virgin pellets, filler pellets,
masterbatch pellets, recycled pellets, finished products and crushed plastics.