TAPPI's Size Estimation Chart Now Calibrated by ISO-Certified Manufacturer

Print this article | Send to Colleague

TAPPI is proud to announce a major enhancement to one of the industry’s most trusted quality control tools. As of August 1st, TAPPI’s Calibrated Size Estimation Chart will be calibrated by an ISO-certified manufacturer, delivering even greater reliability and accuracy for today’s quality inspection professionals.

This transparent visual detection chart is a precision-calibrated version of TAPPI’s Size Estimation Chart for more exact measurements and reduced variability. It is used with TAPPI Test Method T 564 to support consistent and dependable results.

This advancement underscores TAPPI’s unwavering commitment to precision and trust. ISO certification is a globally recognized mark of quality assurance—ensuring that products are manufactured under stringent, consistent procedures that meet international standards. With this new certification, inspectors and quality professionals can have greater confidence in the consistency and accuracy of their inspections, knowing the calibration process is held to the highest global benchmarks.

TAPPI’s visual inspection charts are designed in accordance with industry-approved test methods and are supported by TAPPI’s status as an ANSI-certified standards development organization. This ensures that users are not just using an inspection chart—they’re using a tool grounded in rigorous scientific methodology and recognized best practices across a wide range of industries, including pulp, paper, packaging, medical, and more.

More Than Just One Chart

In addition to the Calibrated Visual Inspection Chart, TAPPI offers other essential quality assurance tools:

• Dirt Estimation Chart – Also produced by the same ISO-certified manufacturer, this chart helps estimate the Equivalent Black Area (EBA) of dirt or colored specks and is referenced in several TAPPI test methods (T 213, T 437, and T 537)
• Size Estimation Chart – Ideal for estimating size (area) by direct comparison to a known circular reference, this chart supports a wide range of inspection needs across various industries. It is used with TAPPI test method T 564.

When it comes to quality control, precision matters—and with TAPPI’s ISO-calibrated Visual Inspection Charts, professionals can ensure their inspections meet the highest standards in the industry.

Explore TAPPI’s full line of Visual Inspection Charts today and raise your quality confidence to a whole new level.

When precision counts, count on TAPPI.