Waste Cessation Criteria for Secondary Polyolefin Resin Compounding
Secondary polyolefin waste cessation requires verified feedstock sorting limits, vacuum devolatilization, REACH threshold compliance, and audited FPC dossiers.
DIN EN 14582
Meaning
Laboratory analysis of polymer compounds ensures that electronic and automotive components comply with halogen-free restrictions. The DIN EN 14582 test standard defines the process for determining halogen content by burning the sample in a pressurized oxygen vessel. This combustion converts halogens into acids, which are then analyzed using ion chromatography.
It provides a precise metric for verifying that materials do not contain harmful fluorine, chlorine, or bromine.
Analytical Protocol
A sample is sealed inside a bomb calorimeter with pure oxygen before ignition. Under the rules of DIN EN 14582, the resulting gases dissolve in an absorption liquid for chromatography analysis. This method identifies halogen levels down to parts per million.
Small variations in sample prep can alter the result, so laboratory workers follow strict steps.
Sourcing Standard
Purchasers use this test to verify the purity of incoming virgin or recycled resin batches before production begins. High levels of chlorine or bromine in recycled polymers often indicate contamination from flame-retardant plastics. Raw materials must be screened to avoid using contaminated polymers.
Production Risk
Halogens in resins release corrosive gases when heated during the injection moulding process. These acidic vapors attack the steel surfaces of the mould cavity, leading to expensive maintenance and ruined surface finishes. Corrosion of the tooling raises production costs quickly.