Selecting Food Simulants and Contact Conditions under EU Regulation
EU food simulant and condition selection requires matching food chemistry and thermal exposure to Regulation 10/2011 matrices to secure legal market access.
Standard En 1186
Meaning
European technical legislation defines the quantitative requirements for the overall and specific migration of chemical substances from plastics materials and articles intended to come into contact with food. This en 1186 protocol provides a unified framework for testing the release of constituents into food simulants to ensure consumer safety and compliance with safety regulations. It covers a range of materials including polyolefins and condensation polymers across various time and temperature conditions.
Extraction Tolerance
Determining the migration limits requires subjecting test specimens to aggressive contact media like aqueous, alcoholic, or fatty simulants. Proper en 1186 execution demands total immersion or cell testing to accurately quantify the residue liberated from the polymer surface area during the simulated lifespan of the packaging. Variations in cooling rates during injection moulding influence the degree of crystallinity, which directly affects how readily additives or low molecular weight fragments leach into the contact media.
Failure to maintain uniform resin density across production batches often results in inconsistent migration rates that exceed permitted thresholds.
Compliance Verification
Analytical procedures rely on gravimetric measurement for overall migration and gas chromatography or liquid chromatography for specific migration of regulated monomers and additives. Laboratory personnel evaluate the integrity of the polymer structure by observing mass changes in the simulant after exposure to defined thermal cycles. Precision in the test setup prevents contamination from external sources that might invalidate the measurement.
Material Qualification
Procurement teams utilize these results to distinguish between food grade resins and commodity grades that contain non compliant processing aids. Virgin polymers typically exhibit lower migration potential than regrind, as the latter often contains oxidized fractions from previous thermal cycles that enhance solubility. Holding a datasheet value across a full production run depends on stable additive levels and correct part geometry.
This protocol functions as a primary legal instrument for assessing the chemical safety of mass produced plastic containers.
Resolving Proprietary Masterbatch Disclosures in Converted Packaging Declaration Supply Chains
Converters resolve masterbatch secrecy through third party compliance trusts and standardized specific migration testing protocols.