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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Effects of Cumulative Surface Treatment on Vacuum-Deposited Coating Adhesion, 2012 PLACE Conference

Effects of Cumulative Surface Treatment on Vacuum-Deposited Coating Adhesion, 2012 PLACE Conference

FORMATION OF PIRSSONITE IN GREEN LIQUOR HANDLING SYSTEMS, 2012 TAPPI PEERS Conference

FORMATION OF PIRSSONITE IN GREEN LIQUOR HANDLING SYSTEMS, 2012 TAPPI PEERS Conference

Corrugator Glue Machine, 2013 CorrExpo Conference

Corrugator Glue Machine, 2013 CorrExpo Conference

Paper-based Packaging: Functional and Sustainable Coating, 2012 PLACE Conference

Paper-based Packaging: Functional and Sustainable Coating, 2012 PLACE Conference

LIGNIN REMOVAL FROM DIFFERENT BLACK LIQUORS, 2012 TAPPI PEERS Conference

LIGNIN REMOVAL FROM DIFFERENT BLACK LIQUORS, 2012 TAPPI PEERS Conference

Barrier Layers Made of Whey Protein Cross-linked with Transglutaminase, 14th TAPPI European PLACE Conference

Barrier Layers Made of Whey Protein Cross-linked with Transglutaminase, 14th TAPPI European PLACE Conference

Capture Utility Savings Using Energy Management and Reporting Systems (EMRS), 2012 TAPPI PEERS Conference

Capture Utility Savings Using Energy Management and Reporting Systems (EMRS), 2012 TAPPI PEERS Conference

Expanding the Temperature Range of Polyolefin Films, 2012 PLACE Conference

Expanding the Temperature Range of Polyolefin Films, 2012 PLACE Conference

Stiff, Tough, High Barrier HDPE, 2012 PLACE Conference

Stiff, Tough, High Barrier HDPE, 2012 PLACE Conference

Introducing a Sludge Conversion System, 2012 TAPPI PEERS Conference

Introducing a Sludge Conversion System, 2012 TAPPI PEERS Conference

Using Additional Layers in Co-extruded HDPE Moisture Barrier Films to Enhance Properties, 2012 PLACE Conference

Using Additional Layers in Co-extruded HDPE Moisture Barrier Films to Enhance Properties, 2012 PLACE Conference

Guidelines for Selecting the Best Winding Process for Your Products, 14th TAPPI European PLACE Conference

Guidelines for Selecting the Best Winding Process for Your Products, 14th TAPPI European PLACE Conference

The Design of Environmentally-friendly High Performance Polymers, 2012 PLACE Conference

The Design of Environmentally-friendly High Performance Polymers, 2012 PLACE Conference

Hot tack of seal seams-Upgrade of an Established Method, 14th TAPPI European PLACE Conference

Hot tack of seal seams-Upgrade of an Established Method, 14th TAPPI European PLACE Conference

METHANOL PURIFICATION SYSTEM, 2012 TAPPI PEERS Conference

METHANOL PURIFICATION SYSTEM, 2012 TAPPI PEERS Conference

Optical Measurement of the Web Tension Profile, 14th TAPPI European PLACE Conference

Optical Measurement of the Web Tension Profile, 14th TAPPI European PLACE Conference

Boiler MACT-Particulate Emission Control Devices and Strategies, 2012 TAPPI PEERS Conference

Boiler MACT-Particulate Emission Control Devices and Strategies, 2012 TAPPI PEERS Conference

High Performance Polyester Based Peel and Seal Solutions, 14th TAPPI European PLACE Conference

High Performance Polyester Based Peel and Seal Solutions, 14th TAPPI European PLACE Conference

Differences between LDPE and PP start up and polymer change behaviour, 14th TAPPI European PLACE Conference

Differences between LDPE and PP start up and polymer change behaviour, 14th TAPPI European PLACE Conference

Cellulose Nanomaterials Barrier & Mechanical Properties for Flexible packaging Films Using Nanocellulose and Minerals, 2013 TAPPI PLACE Flexible Packaging Symposium: New Technology

Cellulose Nanomaterials Barrier & Mechanical Properties for Flexible packaging Films Using Nanocellulose and Minerals, 2013 TAPPI PLACE Flexible Packaging Symposium: New Technology