| Test | Maximum permissible limit | |
| Extractable heavy metal for ceramics (or enameled surface) | | |
| category 1 : flatware - article which can be filled with internal depth not more than 25 mm - article which cannot be filled up | limit from 84/500/EEC | |
| lead | 0.8 mg per sq. dm | |
| cadmium | 0.07 mg per sq. dm | |
| category 2 : hollowware - article which can be filled with internal depth more than 25 mm and total capacity not more than 3 L | limit from 84/500/EEC | |
| lead | 4.0 mg/L | |
| cadmium | 0.3 mg/L | |
| category 3 : large hollowware - article which can be filled with total capacity more than 3 L category 3 : cooking ware | limit from 84/500/EEC | |
| lead | 1.5 mg/L | |
| cadmium | 0.1 mg/L | |
| category 4 : lip and rim region for drinking utensil - article has coating or colour within 20 mm along the lip and rim area, which is different from the colour of the interior coating | limit from DIN 51032 : 1986 clause 3 and Table 2 . | |
| lead | 2.0 mg/article | |
| cadmium | 0.2 mg/article | |
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