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ROUGHNESS OF PAPER AND PAPERBOARD (SHEFFIELD METHOD)

Print quality, Roughness, Sheffield smoothness, Smoothness, Surface roughness.

Provider: TAPPI

Price: $35.00
Product Details

  • This method is a measurement of the air flow between the specimen (backed by flat glass on the bottom side) and two pressurized, concentric annular lands that are impressed into the sample from the top side.
  • This method does not read absolute roughness , but indicates the degree of roughness for comparison.
  • This method describes a procedure for obtaining surface roughness data quickly , using a measuring head with air passages that can easily be inspected for blockage, and easily cleaned.

It Provides information on:

  • Calibration
  • Sampling
  • Test specimens
  • Conditioning
  • Keywords

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