4.5.
Pass/fail criteria for residual content of substances (QM and QMA)
4.6.
Purity pass/fail criteria for pigments, colorants and fillers
Pigments and colorants |
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Colorants and pigments shall comply with the following purity requirements: |
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or
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Fillers |
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Fillers can be contaminated with impurities. For mineral fillers, the following specification applies: |
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After solution in 0,1 N hydrochloric acid, the concentration of the following elements shall not exceed the maximum amount, based on the filler:
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