Form 2A is a black and white sealed opacity chart. The top is black and the bottom is white with overall dimensions of 5-1/2 x 10 in (140 x 254 mm).
The header includes a writable area for recording:
Date, Time
Formula
Batch Number
Notes
A 1/4″ diameter hole is centered just under the top of the chart.
Specification
| Color | Black & White |
| Size | 5-1/2 x 10 in 140 x 254 mm |
| Box Quantity | 250 |
| Boxes Per Case | 6 |
| Box Weight | 6 lb |
| Minimal Order | 1 Box |
More Info:
https://opacity.leneta.com/item/opacity-charts/form-2a-opacity-chart/item-1001
