Confirms the type of plastic to ensure it is PET.
Flakes are measured using sieves or digital imaging systems to determine uniformity
Using spectrophotometry to classify flakes as clear, tinted, or mixed.
Flakes are dried and weighed to measure residual moisture levels.
Identifying foreign materials that could affect recycling quality.
Tests density and melting properties for industrial suitability
Provides verified documentation confirming recyclability and purity