Mini Post No.2…Back to Black

Today I tested some of the different ratios of of Paraffin oil and carbon black, a standard soil, that have been mentioned in literature. Once the ideal one has been chosen I can used it in my cleaning experiments. The % quoted in the photo below is the wt% of paraffin oil used.

Different ratios of soiling (paraffin oil and carbon black) are being tests to see how long they take to dry and how evenly they can be applied

Different ratios of soiling (paraffin oil and carbon black) are being tested to see how long they take to dry and how evenly they can be applied

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