KFDA (Korean food grade)

Product introduction： The testing requirements for KFDA Korean food-grade materials are:1. Synthetic Resin (general standard) synthetic resin general requirements total lead (except silica gel) test items:Total cadmium (except silica gel) Total mercury (except silica gel) Hexavalent chromium (except silica gel) Dissolution of heavy metals (calculated as lead) Potassium permanganate consumption (except PF, UF, MF, POM) Evaporation residue in distilled water in 4% acetic acid Evaporation residue in 20% ethanol Evaporation residue in n-hexane (except for Polylactic acid)2. PVC and polyvinyl chloride total lead test items:Total cadmium, total mercury, hexavalent chromium, heavy metal dissolution (calculated as lead), potassium permanganate consumption, evaporation residue in distilled water, 4% evaporation residue in acetic acid, 20% evaporation residue in ethanol, evaporation residue in n-hexane, dibutyltin (VCM), vinyl chloride monomer O-benzene migration (water, 4% acetic acid, 20% ethanol and n-heptane) Determination of tricresyl phosphate in PVC materials3.PP, PBT, EVA, PPS, PLA/PBSA, PMP(polymethylpentene), PVA(Polyvinyl Alcohol), PB-1 ( Polybutene-1), Alcohol(EVOH), Polyimide(PI), BDR(Butadiene resins), Polyarylate(PAR), Hydroxybutyl(HBP), Fluoro Resins(FR), Ionomer resin, Polyethylene naphthalate(PEN) test items:Total lead, total cadmium, total mercury, hexavalent chromium, dissolution of heavy metals (calculated as lead), consumption of potassium permanganate, evaporation residue in distilled water, evaporation residue in 4% acetic acid, evaporation residue in 20% ethanol, evaporation residue in n-hexane4.PS, Polyphenylene ether (PPE) polystyrene, polyphenylene resin test items:Total lead Total cadmium Total mercury Hexavalent chromium Dissolution of heavy metals (calculated as lead) Potassium permanganate consumption Evaporation residue in distilled water Evaporation residue in 4% acetic acid Evaporation residue in 20% ethanol Evaporation residue in n-hexane Volatile substances5. PVDC test items:Total lead in polyvinylidene chloride Total cadmium Total mercury Hexavalent chromium Dissolution of heavy metals Potassium permanganate consumption Evaporation residue in distilled water Evaporation residue in 4% acetic acid Evaporation residue in 20% ethanol Evaporation residue in n-hexane Barium Vinylidene chloride6.PET test items:Total lead, total cadmium, total mercury, hexavalent chromium, heavy metal dissolution (calculated as lead), potassium permanganate consumption Dissolution of germanium in % acetic acid terephthalic acid isophthalic acid7. PF (Phenol formaldehyde) phenol formaldehyde resin test items:Total lead, total cadmium, total mercury, hexavalent chromium, heavy metal dissolution (calculated as lead), evaporation residue in distilled water, evaporation residue in 4% acetic acid, evaporation residue in 20% ethanol, evaporation residue in n-hexane, phenol extraction in 4% acetic acid, formaldehyde extraction in 4% acetic acid8. MF (melamine formaldehyde) melamine resin test items:Total lead, total cadmium, total mercury, hexavalent chromium, heavy metal dissolution (calculated as lead), evaporation residue in distilled water, 4% acetic acid, evaporation residue, 20% ethanol, evaporation residue in n-hexane, 4% phenol extraction in acetic acid, 4% formaldehyde extraction in acetic acid4 % melamine extraction in acetic acid9.UF(urea formaldehyde), POM urea formaldehyde resin, polyoxymethylene test items:Total lead, total cadmium, total mercury, hexavalent chromium, heavy metal dissolution (calculated as lead), evaporation residue in distilled water, evaporation residue in 4% acetic acid, evaporation residue in 20% ethanol, evaporation residue in n-hexane, phenol extraction in 4% acetic acid, formaldehyde extraction in 4% acetic acid10. Acrylic resin acrylic resin test items:Total lead, total cadmium, total mercury, hexavalent chromium, dissolution of heavy metals (calculated as lead), potassium permanganate consumption, evaporation residue in distilled water, evaporation residue in 4% acetic acid, evaporation residue in 20% ethanol, evaporation residue in n-hexane, methyl methacrylate11.PA polyamide (nylon) test items:Total lead, total cadmium, total mercury, hexavalent chromium, heavy metal dissolution (calculated as lead), potassium permanganate consumption, 4% evaporation residue in distilled water, 20% evaporation residue in acetic acid, 20% evaporation residue in ethanol, 4% evaporation residue in n-hexane, 4% acetic acid phenylmethane extraction Ethylene glycol extraction of hexamethylenediamine caprolactam12.PC polycarbonate test items:Total lead Total cadmium Total mercury Hexavalent chromium Dissolution of heavy metals (calculated as lead) Potassium permanganate consumption Evaporation residue in distilled waterEvaporation residue in 4% acetic acid Evaporation residue in 20% ethanol Evaporation residue in n-hexane BPA Bisphenol A Bisphenol A extraction Diphenylcarbonate Amines(Triethylamine and tributylamine)13.PU test items:Total lead, total cadmium, total mercury, hexavalent chromium, dissolution of heavy metals (calculated as lead), consumption of potassium permanganate14. ABS, AS polystyrene polyester, polyester, acrylic plastic products required test items:Total lead, total cadmium, total mercury, hexavalent chromium, heavy metal dissolution (calculated as lead), potassium permanganate consumption, evaporation residue in distilled water, 4% evaporation residue in acetic acid, evaporation residue in 20% ethanol, evaporation residue in n-hexane, volatile matter, acrylonitrile extraction in water 1,3-Butadiene Extraction of Acrylonitrile in Water15.Polymethacrylstyrene (MS) test items:Total lead, total cadmium, total mercury, hexavalent chromium, heavy metal dissolution (calculated as lead), potassium permanganate consumption, evaporation residue in distilled water, 4% evaporation residue in acetic acid, evaporation residue in 20% ethanol, evaporation residue in n-hexane, evaporation residue in n-hexane, volatile substances Methylmethacrylate (Elution- 20% ethanol)16.PAN test items:Total lead Total cadmium Total mercury Hexavalent chromium Dissolution of heavy metals (calculated as lead) Potassium permanganate consumption Evaporation residue in distilled water Evaporation residue in 4% acetic acid Evaporation residue in 20% ethanol Evaporation residue in n-hexane Extraction of acrylonitrile in water17.MABS test items:Total lead, total cadmium, total mercury, hexavalent chromium, heavy metal dissolution (calculated as lead), potassium permanganate consumption, evaporation residue in distilled water, 4% evaporation residue in acetic acid, evaporation residue in 20% ethanol, evaporation residue in n-hexane, volatile matter, acrylonitrile extraction in water Methylmethacrylate(Elution-20% ethanol) 1,3-butadiene acrylonitrile extraction in water 4,4'-methylenedianiline(Elution-4% acetic acid)18. Epoxy resin epoxy resin test items:Total lead, total cadmium, total mercury, hexavalent chromium, heavy metal dissolution (calculated as lead), potassium permanganate consumption, evaporation residue in distilled water, 4% evaporation residue in acetic acid, 20% evaporation residue in ethanol, evaporation residue in n-hexane, BPA (Elution-include phenol, BPA, pt-butylphenol)) Bisphenol A Epoxy Resin Extraction BPA F diglycidyl ether(elution) Epichlorohydrin(elution-n-heptane) Amines19. PCT test items:Total lead, total cadmium, total mercury, hexavalent chromium, heavy metal dissolution (calculated as lead), potassium permanganate consumption, evaporation residue in distilled water, 4% evaporation residue in acetic acid, 20% evaporation residue in ethanol, evaporation residue in n-hexane (Elution) Antimony dissolution in 4% acetic acid20. PE polyethylene test items:Total lead, total cadmium, total mercury, hexavalent chromium, heavy metal dissolution (calculated as lead), potassium permanganate consumption, evaporation residue in distilled water, 4% evaporation residue in acetic acid, 20% evaporation residue in ethanol, evaporation residue in n-hexane, 1-n-hexane extraction 1- octene(elution)1-ene21. Polyarylsulfone (PASF) polyarylsulfone test items:Total lead, total cadmium, total mercury, hexavalent chromium, heavy metal dissolution (calculated as lead), potassium permanganate consumption, evaporation residue in distilled water, 4% evaporation residue in acetic acid, 20% evaporation residue in ethanol, evaporation residue in n-hexane , BPA, pt-butylphenol)) 4,4'-dichlorodiphenyl sulfone(Elution)22.PES test items:Total lead, total cadmium, total mercury, hexavalent chromium, heavy metal dissolution (calculated as lead), potassium permanganate consumption, evaporation residue in distilled water, evaporation residue in 4% acetic acid, evaporation residue in 20% ethanol, evaporation residue in n-hexane, evaporation residue in n-hexane, 4,4'-dichlorodiphenyl sulfone (Elution) Dichlorosulfone23. POM test items:Total lead (except silica gel) Total cadmium (except silica gel) Total mercury (except silica gel) Hexavalent chromium (except silica gel) Dissolution of heavy metals (calculated as lead) Evaporation residue in distilled water 4% acetic acid 20% ethanol evaporation residue n-hexane Evaporation residue Formaldehyde(Elution-4% acetic acid)24.PBT test items:Total lead (except silica gel) Total cadmium (except silica gel) Total mercury (except silica gel) Hexavalent chromium (except silica gel) Dissolution of heavy metals (calculated as lead) Potassium permanganate consumption 4% evaporation residue in distilled water 20% evaporation residue in acetic acid Evaporation residue in ethanol Evaporation residue in n-hexane (except for Polylactic acid) Terephthalic acid (elution) Isophthalic acid (Elution)25.PAR test items:Total lead (except silica gel) Total cadmium (except silica gel) Total mercury (except silica gel) Hexavalent chromium (except silica gel) Dissolution of heavy metals (calculated as lead) Potassium permanganate consumption 4% evaporation residue in distilled water 20% evaporation residue in acetic acid Evaporation residue in ethanol Evaporation residue in n-hexane Terephthalic acid (elution) Isophthalic acid (Elution) Bisphenol A (Elution-include phenol, BPA,pt-butylphenol))26. PLA/PBSA test items:Total lead (except silica gel) Total cadmium (except silica gel) Total mercury (except silica gel) Hexavalent chromium (except silica gel) Dissolution of heavy metals (calculated as lead) Potassium permanganate consumption 4% evaporation residue in distilled water 20% evaporation residue in acetic acid Evaporation residue in ethanol Evaporation residue in n-hexane1- If the sample does not contain starch, do the general standard item2- If the sample contains starch, do the following items (do not do evaporation residue)Arsenic dissolution Formaldehyde dissolution in 4% acetic acid Fluorescent substance27. PMP (polymethylpentene) test items:4-Methyl-1-pentene28.PPS (poly(phenylenesufide) test items:1,4-Dichlorobenzene29.Crosses-linked polyester resin test items:Terephthalic acid Isophthalic acid30.cellophane (regenerated cellulose film) cellophane (regenerated cellulose) test items:Total lead, total cadmium, total mercury, total hexavalent chromium, arsenic dissolution, heavy metal dissolution (calculated as lead), evaporation residue in 4% acetic acid31.Rubber, Silicone resin, BDR (Butadiene resins), TPE rubber, silicone resin, butadiene resin 2-mercaptoimidazole test items:Total lead and total cadmium 4% heavy metal dissolution in acetic acid (calculated as lead) 1,3 Butadiene (only for butadiene rubber) Evaporation residue (water, oily food with 20% ethanol as a simulated solution) Evaporation residue in water--- Rubber nipple 4% phenol in acetic acid 4% formaldehyde in acetic acid 4% zinc in acetic acid zinc in water --- rubber milk

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The testing requirements for KFDA Korean food-grade materials are:

1. Synthetic Resin (general standard) synthetic resin general requirements total lead (except silica gel) test items:

Total cadmium (except silica gel) Total mercury (except silica gel) Hexavalent chromium (except silica gel) Dissolution of heavy metals (calculated as lead) Potassium permanganate consumption (except PF, UF, MF, POM) Evaporation residue in distilled water in 4% acetic acid Evaporation residue in 20% ethanol Evaporation residue in n-hexane (except for Polylactic acid)

2. PVC and polyvinyl chloride total lead test items:

Total cadmium, total mercury, hexavalent chromium, heavy metal dissolution (calculated as lead), potassium permanganate consumption, evaporation residue in distilled water, 4% evaporation residue in acetic acid, 20% evaporation residue in ethanol, evaporation residue in n-hexane, dibutyltin (VCM), vinyl chloride monomer O-benzene migration (water, 4% acetic acid, 20% ethanol and n-heptane) Determination of tricresyl phosphate in PVC materials

3.PP, PBT, EVA, PPS, PLA/PBSA, PMP(polymethylpentene), PVA(Polyvinyl Alcohol), PB-1 ( Polybutene-1), Alcohol(EVOH), Polyimide(PI), BDR(Butadiene resins), Polyarylate(PAR), Hydroxybutyl(HBP), Fluoro Resins(FR), Ionomer resin, Polyethylene naphthalate(PEN) test items:

Total lead, total cadmium, total mercury, hexavalent chromium, dissolution of heavy metals (calculated as lead), consumption of potassium permanganate, evaporation residue in distilled water, evaporation residue in 4% acetic acid, evaporation residue in 20% ethanol, evaporation residue in n-hexane

4.PS, Polyphenylene ether (PPE) polystyrene, polyphenylene resin test items:

Total lead Total cadmium Total mercury Hexavalent chromium Dissolution of heavy metals (calculated as lead) Potassium permanganate consumption Evaporation residue in distilled water Evaporation residue in 4% acetic acid Evaporation residue in 20% ethanol Evaporation residue in n-hexane Volatile substances

5. PVDC test items:

Total lead in polyvinylidene chloride Total cadmium Total mercury Hexavalent chromium Dissolution of heavy metals Potassium permanganate consumption Evaporation residue in distilled water Evaporation residue in 4% acetic acid Evaporation residue in 20% ethanol Evaporation residue in n-hexane Barium Vinylidene chloride

6.PET test items:

Total lead, total cadmium, total mercury, hexavalent chromium, heavy metal dissolution (calculated as lead), potassium permanganate consumption Dissolution of germanium in % acetic acid terephthalic acid isophthalic acid

7. PF (Phenol formaldehyde) phenol formaldehyde resin test items:

Total lead, total cadmium, total mercury, hexavalent chromium, heavy metal dissolution (calculated as lead), evaporation residue in distilled water, evaporation residue in 4% acetic acid, evaporation residue in 20% ethanol, evaporation residue in n-hexane, phenol extraction in 4% acetic acid, formaldehyde extraction in 4% acetic acid

8. MF (melamine formaldehyde) melamine resin test items:

Total lead, total cadmium, total mercury, hexavalent chromium, heavy metal dissolution (calculated as lead), evaporation residue in distilled water, 4% acetic acid, evaporation residue, 20% ethanol, evaporation residue in n-hexane, 4% phenol extraction in acetic acid, 4% formaldehyde extraction in acetic acid4 % melamine extraction in acetic acid

9.UF(urea formaldehyde), POM urea formaldehyde resin, polyoxymethylene test items:

Total lead, total cadmium, total mercury, hexavalent chromium, heavy metal dissolution (calculated as lead), evaporation residue in distilled water, evaporation residue in 4% acetic acid, evaporation residue in 20% ethanol, evaporation residue in n-hexane, phenol extraction in 4% acetic acid, formaldehyde extraction in 4% acetic acid

10. Acrylic resin acrylic resin test items:

Total lead, total cadmium, total mercury, hexavalent chromium, dissolution of heavy metals (calculated as lead), potassium permanganate consumption, evaporation residue in distilled water, evaporation residue in 4% acetic acid, evaporation residue in 20% ethanol, evaporation residue in n-hexane, methyl methacrylate

11.PA polyamide (nylon) test items:

Total lead, total cadmium, total mercury, hexavalent chromium, heavy metal dissolution (calculated as lead), potassium permanganate consumption, 4% evaporation residue in distilled water, 20% evaporation residue in acetic acid, 20% evaporation residue in ethanol, 4% evaporation residue in n-hexane, 4% acetic acid phenylmethane extraction Ethylene glycol extraction of hexamethylenediamine caprolactam

12.PC polycarbonate test items:

Total lead Total cadmium Total mercury Hexavalent chromium Dissolution of heavy metals (calculated as lead) Potassium permanganate consumption Evaporation residue in distilled water

Evaporation residue in 4% acetic acid Evaporation residue in 20% ethanol Evaporation residue in n-hexane BPA Bisphenol A Bisphenol A extraction Diphenylcarbonate Amines(Triethylamine and tributylamine)

13.PU test items:

Total lead, total cadmium, total mercury, hexavalent chromium, dissolution of heavy metals (calculated as lead), consumption of potassium permanganate

14. ABS, AS polystyrene polyester, polyester, acrylic plastic products required test items:

Total lead, total cadmium, total mercury, hexavalent chromium, heavy metal dissolution (calculated as lead), potassium permanganate consumption, evaporation residue in distilled water, 4% evaporation residue in acetic acid, evaporation residue in 20% ethanol, evaporation residue in n-hexane, volatile matter, acrylonitrile extraction in water 1,3-Butadiene Extraction of Acrylonitrile in Water

15.Polymethacrylstyrene (MS) test items:

Total lead, total cadmium, total mercury, hexavalent chromium, heavy metal dissolution (calculated as lead), potassium permanganate consumption, evaporation residue in distilled water, 4% evaporation residue in acetic acid, evaporation residue in 20% ethanol, evaporation residue in n-hexane, evaporation residue in n-hexane, volatile substances Methylmethacrylate (Elution- 20% ethanol)

16.PAN test items:

Total lead Total cadmium Total mercury Hexavalent chromium Dissolution of heavy metals (calculated as lead) Potassium permanganate consumption Evaporation residue in distilled water Evaporation residue in 4% acetic acid Evaporation residue in 20% ethanol Evaporation residue in n-hexane Extraction of acrylonitrile in water

17.MABS test items:

Total lead, total cadmium, total mercury, hexavalent chromium, heavy metal dissolution (calculated as lead), potassium permanganate consumption, evaporation residue in distilled water, 4% evaporation residue in acetic acid, evaporation residue in 20% ethanol, evaporation residue in n-hexane, volatile matter, acrylonitrile extraction in water Methylmethacrylate(Elution-20% ethanol) 1,3-butadiene acrylonitrile extraction in water 4,4'-methylenedianiline(Elution-4% acetic acid)

18. Epoxy resin epoxy resin test items:

Total lead, total cadmium, total mercury, hexavalent chromium, heavy metal dissolution (calculated as lead), potassium permanganate consumption, evaporation residue in distilled water, 4% evaporation residue in acetic acid, 20% evaporation residue in ethanol, evaporation residue in n-hexane, BPA (Elution-include phenol, BPA, pt-butylphenol)) Bisphenol A Epoxy Resin Extraction BPA F diglycidyl ether(elution) Epichlorohydrin(elution-n-heptane) Amines

19. PCT test items:

Total lead, total cadmium, total mercury, hexavalent chromium, heavy metal dissolution (calculated as lead), potassium permanganate consumption, evaporation residue in distilled water, 4% evaporation residue in acetic acid, 20% evaporation residue in ethanol, evaporation residue in n-hexane (Elution) Antimony dissolution in 4% acetic acid

20. PE polyethylene test items:

Total lead, total cadmium, total mercury, hexavalent chromium, heavy metal dissolution (calculated as lead), potassium permanganate consumption, evaporation residue in distilled water, 4% evaporation residue in acetic acid, 20% evaporation residue in ethanol, evaporation residue in n-hexane, 1-n-hexane extraction 1- octene(elution)1-ene

21. Polyarylsulfone (PASF) polyarylsulfone test items:

Total lead, total cadmium, total mercury, hexavalent chromium, heavy metal dissolution (calculated as lead), potassium permanganate consumption, evaporation residue in distilled water, 4% evaporation residue in acetic acid, 20% evaporation residue in ethanol, evaporation residue in n-hexane , BPA, pt-butylphenol)) 4,4'-dichlorodiphenyl sulfone(Elution)

22.PES test items:

Total lead, total cadmium, total mercury, hexavalent chromium, heavy metal dissolution (calculated as lead), potassium permanganate consumption, evaporation residue in distilled water, evaporation residue in 4% acetic acid, evaporation residue in 20% ethanol, evaporation residue in n-hexane, evaporation residue in n-hexane, 4,4'-dichlorodiphenyl sulfone (Elution) Dichlorosulfone

23. POM test items:

Total lead (except silica gel) Total cadmium (except silica gel) Total mercury (except silica gel) Hexavalent chromium (except silica gel) Dissolution of heavy metals (calculated as lead) Evaporation residue in distilled water 4% acetic acid 20% ethanol evaporation residue n-hexane Evaporation residue Formaldehyde(Elution-4% acetic acid)

24.PBT test items:

Total lead (except silica gel) Total cadmium (except silica gel) Total mercury (except silica gel) Hexavalent chromium (except silica gel) Dissolution of heavy metals (calculated as lead) Potassium permanganate consumption 4% evaporation residue in distilled water 20% evaporation residue in acetic acid Evaporation residue in ethanol Evaporation residue in n-hexane (except for Polylactic acid) Terephthalic acid (elution) Isophthalic acid (Elution)

25.PAR test items:

Total lead (except silica gel) Total cadmium (except silica gel) Total mercury (except silica gel) Hexavalent chromium (except silica gel) Dissolution of heavy metals (calculated as lead) Potassium permanganate consumption 4% evaporation residue in distilled water 20% evaporation residue in acetic acid Evaporation residue in ethanol Evaporation residue in n-hexane Terephthalic acid (elution) Isophthalic acid (Elution) Bisphenol A (Elution-include phenol, BPA,pt-butylphenol))

26. PLA/PBSA test items:

Total lead (except silica gel) Total cadmium (except silica gel) Total mercury (except silica gel) Hexavalent chromium (except silica gel) Dissolution of heavy metals (calculated as lead) Potassium permanganate consumption 4% evaporation residue in distilled water 20% evaporation residue in acetic acid Evaporation residue in ethanol Evaporation residue in n-hexane

1- If the sample does not contain starch, do the general standard item

2- If the sample contains starch, do the following items (do not do evaporation residue)

Arsenic dissolution Formaldehyde dissolution in 4% acetic acid Fluorescent substance

27. PMP (polymethylpentene) test items:

4-Methyl-1-pentene

28.PPS (poly(phenylenesufide) test items:

1,4-Dichlorobenzene

29.Crosses-linked polyester resin test items:

Terephthalic acid Isophthalic acid

30.cellophane (regenerated cellulose film) cellophane (regenerated cellulose) test items:

Total lead, total cadmium, total mercury, total hexavalent chromium, arsenic dissolution, heavy metal dissolution (calculated as lead), evaporation residue in 4% acetic acid

31.Rubber, Silicone resin, BDR (Butadiene resins), TPE rubber, silicone resin, butadiene resin 2-mercaptoimidazole test items:

Total lead and total cadmium 4% heavy metal dissolution in acetic acid (calculated as lead) 1,3 Butadiene (only for butadiene rubber) Evaporation residue (water, oily food with 20% ethanol as a simulated solution) Evaporation residue in water--- Rubber nipple 4% phenol in acetic acid 4% formaldehyde in acetic acid 4% zinc in acetic acid zinc in water --- rubber milk

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