KFDA (Korean Food Grade)
The testing requirements for KFDA Korean food grade materials are:1. General requirements for Synthetic Resin (general standard) Total lead (excluding silicone) test items:Total cadmium (excluding silica gel), total mercury (excluding silica gel), hexavalent chromium (excluding silica gel), heavy metal dissolution (calculated as lead), potassium permanganate consumption (excluding PF, UF, MF, POM), evaporation residue in distilled water, 4% in acetic acid, evaporation residue in 20% in ethanol, evaporation residue in n-hexane, evaporation residue (except for Polyactive acid)2. Test items for total lead in PVC and polyvinyl chloride:Total cadmium, total mercury, hexavalent chromium, heavy metal leaching (calculated as lead), potassium permanganate consumption, evaporation residue in distilled water, 4% acetic acid, evaporation residue in ethanol, 20% ethanol, evaporation residue in n-hexane, dibutyltin (VCM), vinyl chloride monomer, o-benzene migration (water, 4% acetic acid, 20% ethano...
2017
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06
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09