# The Plastic Materials and Articles in Contact with Food (Wales) Regulations 2006, Paragraph 4


The fatty food simulants referred to in the Table are—
(a) corn oil with standardised specifications;
(b) sunflower oil, the characteristics of which are —
(c) Iodine value (Wijs) = 120 to 145
(d) Refractive index at 20°C = 1.474 to 1.476
(e) Saponification number = 188 to 193
(f) Relative density at 20°C = 0.918 to 0.925
(g) Unsaponifiable matter = 0.5% to 1.5%.
(h) a synthetic mixture of triglycerides the composition of which is as set out in the following tables
Fatty acid distribution
No of C-atoms in fatty acid residue
6
8
10
12
14
16
18
Others
GLC area (%)
~1
6—9
8—11
45—52
12—15
8—10
8—12
1
Purity
Content of monoglycerides (enzymatically)
<0.2%
Content of diglycerides (enzymatically)
<2.0%
Unsaponifiable matter
<0.2%
Iodine value(Wijs)
<0.1%
Acid value
<0.1%
Water content (K Fischer)
<0.1%
Melting point
28 ± 2°C
Typical absorption spectrum (thickness of layer: d = 1 cm; Reference: water at 35°C)
Wavelength (nm)
290
310
330
350
370
390
430
470
510
Transmittance (%)
~2
~15
~37
~64
~80
~88
~95
~97
~98
At least 10% light transmittance at 310 nm (cell of 1 cm, reference: water at 35°C)

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Source: https://www.legislation.gov.uk/wsi/2006/2982/schedule/3/part/2/paragraph/4 (the official version)
Page: https://openlegislation.uk/plastic-materials-and-articles-in-contact-with-food-wales-regulations-2006/schedule-3/part-2/paragraph-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.