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Thailand Mandates Standards for Several Food Contact Plastics

SafeGuardSFood Contact Material01 Jun 2022

SG 070.22

Thailand mandates three standards for certain food contact plastic materials and articles. These will become effective on January 3, 2023. 

In April 2022, Thailand’s Ministry of Industry issued a Ministerial Regulation in its Government Gazette (Volume 134, Chapter 21A, Page 12, the Ministerial Regulation) to mandate three standards for several types of plastic intended to come into contact with food. 

These standards are:

  • TIS 655 Part 1-2553 (2010) ‘Plastic utensils for food - Part 1 Polyethylene, polypropylene, polystyrene, poly(ethylene terephthalate), poly(vinyl alcohol) and poly(methyl pentene)’
  • TIS 655 Part 2-2554 (2011) ‘Plastic utensils for food – Part 2 Poly(vinyl chloride), polycarbonate, polyamide and poly(methyl methacrylate)’
  • TIS 655 Part 3-2554 (2011) ‘Plastic utensils for food Part 3 Acrylonitrile-butadiene-styrene and styrene-acrylonitrile’

The aforementioned standards contain, among other things, general safety requirements, including for odor and taste as well as resistance to impact and temperature. They also detail requirements for packaging, marking, labeling and sampling, as well as rules for conformity and testing.

Highlights of the requirements for the migration of substances, and heavy metals and organic substances, as set out in TIS 655 Part 1-2553 (2010) are summarized in Tables 1 and 2.

TIS 655 Part 1-2553 (2010) ‘Plastic utensils for food - Part 1 Polyethylene, polypropylene, polystyrene, poly(ethylene terephthalate), poly(vinyl alcohol) and poly(methyl pentene)’
Table 1 (per standard text) ‘Migration of Substances’ (Clause 5.5.3)

EntryTest ParameterSimulant
Migration Limit (mg/dm³)
PEPPPSPETPVALPMP
1
Potassium permanganate consumption
Distilled water
10
1010101010
2Evaporation residue
4% acetic acid
30303030
3030
Distilled water
30303030
3030
20% ethanol
30303030
3030
n-heptane
150¹
30²
150¹
30²
24030
30120
3Heavy metal (as lead)
4% acetic acid
111111
4Antimony
4% acetic acid
---0.05--
5Germanium4% acetic acid
---0.1
--
¹For use at temperatures not higher than 100°C
²For use at temperatures higher than 100 °C

Table 1

TIS 655 Part 1-2553 (2010) ‘Plastic utensils for food - Part 1 Polyethylene, polypropylene, polystyrene, poly(ethylene terephthalate), poly(vinyl alcohol) and poly(methyl pentene)’
Table 2 (per standard text) ‘Heavy Metals and Organic Substances in Plastic’ (Clause 5.5.4)

EntryTest ParameterMigration Limit (mg/kg)
PEPPPSPETPVALPMP
1
Lead100
100100100100100
2Cadmium100100100100100100
3Volatile substances: toluene, ethylbenzene, isopropylbenzene,
n-propylbenzene and styrene
--5000¹
2000²
---
¹ For use at temperatures not higher than 100 °C
² For use at temperatures higher than 100 °C, 1000 mg/kg each of styrene and ethyl benzene

Table 2

These three standards will become mandatory on January 3, 2023 (270 days from their publication in the Government Gazette).

AbbreviationPlastic
PEPolyethylene
PPPolypropylene
PSPolystyrene
PETPoly(ethylene terephthalate)
PVAPoly(vinyl alcohol)
PMPPoly(methyl pentene)

SGS technical experts have extensive knowledge and testing experience in materials and articles in contact with food. They work to ensure that your products meet the appropriate regulations for food contact materials, paving the way for compliance. From overall migration tests to expert advice on emerging regulations, compliance issues and documentation review, SGS is the partner to trust. In the end, it’s only trusted because it’s tested. Discover more on our website

For inquiries, please contact:

Dr. Hingwo Tsang
Global Information and Innovation Manager
t: (+852) 2774 7420

Rutchuporn Moungsom
Hardlines/Toys Laboratory Manager
t: +66 2 481 5259

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