Charts & Datasets

TAPPI has a solution for dirt -- the kind that gets into your products during the manufacturing or shipping process.  

TAPPI’s Dirt Chart cards estimate the equivalent black area (EBA) of dirt or other colored specks. The equivalent black area of a dirt speck is defined as the area of a round black spot on the white background of the TAPPI Dirt Estimation Chart that makes the same visual impression as the dirt speck on the material in which it is embedded. Dirt Estimation Charts are manufactured from an original negative on Kodak photographic paper. The paper positive is produced in a NuArc contacting frame with an Olite light source and Olix light integrator. The light integrator precisely controls the exposure. Each piece of photographic paper that is produced during the manufacturing process is evaluated with an X-Rite densitometer for correct exposure.

To ensure the accuracy of the charts, each piece is measured by examining the .20 dot with a 100 x magnifier that has a reticle (scale) incremented in 5/10,000 mm on the lens. This opaque chart can be used with TAPPI Test Methods  T 213T 437, and  T 537.  

You want to hear more? Check out TAPPI’s size estimation chart (for use with Test Method  T 564). Developed from the TAPPI Dirt Estimation Chart, this transparency is used to measure the size of spots, defects, or inclusions over the range of 0.02 to 5.00 square millimeters in paper and other industrial materials such as textiles or plastics.  

The TAPPI Calibrated Size Estimation Chart is a great solution for quality control applications where exact dimension specifications are required. Each Calibrated SEC comes with its own data sheet that provides an actual dot measurement area (expressed in squared mm) to correspond with the increments (dots) on the chart.

Dirt Estimation Chart  (Opaque) 
Product Code: 0109DIRT 
Member Price: $41               
Non-Member Price: $58 

Size Estimation Chart  (Transparency) 
Product Code: 0109DIRTT 
Member Price: $57               
Non-Member Price: $82

Calibrated Size Estimation Chart  (Transparency)

Product Code: 0109DIRTCAL 
Member Price: $300 
Non-Member Price: $350

 

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Terry S. Paulson Memorial Scholarship Form

Terry S. Paulson Memorial Scholarship Form

Standards
Envelope seal, seam, and window patch testing, Test Method T 516 cm-11

Envelope seal, seam, and window patch testing, Test Method T 516 cm-11

Standards
Grammage of paper and paperboard (weight per unit area), Test Method TAPPI/ANSI T 410 om-13

Grammage of paper and paperboard (weight per unit area), Test Method TAPPI/ANSI T 410 om-13

Standards
Open drum washer mat sampling technique, Test Method TAPPI/ANSI T 281 sp-18

Open drum washer mat sampling technique, Test Method TAPPI/ANSI T 281 sp-18

Standards
Tensile properties of paper and paperboard (using constant rate of elongation apparatus), Test Method TAPPI/ANSI T 494 om-13

Tensile properties of paper and paperboard (using constant rate of elongation apparatus), Test Method TAPPI/ANSI T 494 om-13

Standards
Standard conditioning and testing atmospheres for paper, board, pulp handsheets, and related products, Test Method TAPPI/ANSI T 402 sp-13

Standard conditioning and testing atmospheres for paper, board, pulp handsheets, and related products, Test Method TAPPI/ANSI T 402 sp-13

Standards
Specimen preparation for cross directional internal tearing resistance for paper, paperboard and related materials, Test Method TAPPI/ANSI T 496 sp-13

Specimen preparation for cross directional internal tearing resistance for paper, paperboard and related materials, Test Method TAPPI/ANSI T 496 sp-13

Standards
Sampling and accepting a single lot of paper, paperboard, containerboard, or related product, Standard Practice T 400 sp-17

Sampling and accepting a single lot of paper, paperboard, containerboard, or related product, Standard Practice T 400 sp-17

Standards
Forming handsheets for reflectance testing of pulp (sheet machine procedure), Test Method TAPPI/ANSI T 272 sp-12

Forming handsheets for reflectance testing of pulp (sheet machine procedure), Test Method TAPPI/ANSI T 272 sp-12

Standards
Ash in wood, pulp, paper and paperboard: combustion at 900°C, Test Method T 413 om-17

Ash in wood, pulp, paper and paperboard: combustion at 900°C, Test Method T 413 om-17

Standards
Diffuse opacity of paper (d/0 paper backing), Test Method T 519 om-17

Diffuse opacity of paper (d/0 paper backing), Test Method T 519 om-17

Standards
Hexeneuronic acid content of chemical pulp, Test Method TAPPI/ANSI T 282 om-13

Hexeneuronic acid content of chemical pulp, Test Method TAPPI/ANSI T 282 om-13

Standards
Grease resistance of flexible packaging materials, Test Method T 507 cm-09

Grease resistance of flexible packaging materials, Test Method T 507 cm-09

Standards
Water vapor transmission rate of paper and paperboard at high temperature and humidity, Test Method T 464 om-18

Water vapor transmission rate of paper and paperboard at high temperature and humidity, Test Method T 464 om-18

Standards
Hydrogen ion concentration (pH) of paper extracts (hot extraction method), Test Method T 435 om-16

Hydrogen ion concentration (pH) of paper extracts (hot extraction method), Test Method T 435 om-16

Standards
Water-soluble chlorides in pulp and paper, Test Method T 256 cm-07

Water-soluble chlorides in pulp and paper, Test Method T 256 cm-07

Standards
Surface Wettability of Paper (Angle of Contact Method), Test Method T 458 cm-04

Surface wettability of paper (angle of contact method), Test Method T 458 cm-14

Standards
Rosin in paper and paperboard, Test Method T 408 cm-07

Rosin in paper and paperboard, Test Method T 408 cm-07

Standards
Determination of Wetting Tension of Polyethylene and Polypropylene Films and Coatings (Modified Visking Analytical Technique), Test Method T 698 cm-03 - WITHDRAWN

Determination of Wetting Tension of Polyethylene and Polypropylene Films and Coatings (Modified Visking Analytical Technique), Test Method T 698 cm-03 - WITHDRAWN