AS NZS 1301.441:2018 pdf free.Methods of test for pulp and paper Method 441: Determination of roughness/ smoothness (air leak methods)- Sheffield method (ISO 8791-3:2017, MOD). 5.1 Air supply, free of water, oil and other contaminants, at a pressure of 420 kPa to 950 kPa. A small compressor using laboratory air is preferred to external compressed air. 5.2 Pressure-regulating device, consisting...
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