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Form 2C is a black and white sealed opacity chart. The top is black the bottom is white with overall dimensions of 7-5/8 x 10-1/4 in (194 x 260 mm).


The header includes a writable area for recording:

  • Date, Time
  • Formula
  • Batch Number
  • Notes


A 1/4″ diameter hole is centred just under the top of the chart.

Form 2C Opacity Chart

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