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The system for review and development of TAPPI Standards requires an announcement of review dates so that any interested TAPPI parties may accessmthe drafts, submit comments, and/or join the Standard-Specific Interest Group (SSIG) to cast an official vote. Listed below are the Standards that will be up for review in 2021. The date indicated is the target date on which the draft will be distributed to the SSIG for that particular Standard. Any interested individuals who wish to be part of the voting for any Standard should send a message to and request voting membership on the corresponding SSIG, prior to the target ballot date, if possible. Anyone who joins the SSIG before the target balloting date will receive a notice of the ballot. If you have joined the Standard Specific Interest Group for any Standard, you will receive a notice for ballot at the proper time with instructions for casting your vote and making your comments. If you wish to join the Standard Specific Interest Group for a particular Standard, please go to the Subject Categories on the Standards page or contact the Standards Department at TAPPI (, or phone +1-770-209-7249.

1. T 1210 sp-18 Units of measurement and conversion factors (04/2022)

2. T 1216 sp-18 Indices for whiteness, yellowness, brightness, and luminous reflectance factor (04/2022)

3. T 212 om-18 One percentsodium hydroxide solubility of wood and pulp (04/2022)

4. T 232 cm-13 Fiber length of pulp by projection (04/2022)

5. T 262 sp-18 Preperation of mechanical pulps for testing (04/2022)

6. T 281 sp-18 Open drum washer mat sampling technique (04/2022)

7. T 419 om-18 Starch in paper (04/2022)

8. T 464 om-18 Water vapor transmission rate of paper and paperboard at high temperature and humidity (04/2022)

9. T 495 cm-13 Bending number of paperboard (04/2022)

10. T 530 om-18 Size test for paper by ink resistance (Hercules-type method) (04/2022)

11. T 536 om-18 Resistance of paper to passage of air (high-pressure Gurley Method) (04/2022)

12. T 547 om-18 Air permeance of paper and paperboard (Sheffield method) (04/2022)

13. T 579 om-18 Diffuse brightness of paper, paperboard and pulp (d/0) (ultraviolet level D65) (04/2022)

TAPPI Standards guidelines require that all TAPPI members receive notification of any proposed new Standard or TIPs. This message is being sent to you because you are a TAPPI member; have purchased TIPs or Standards products from TAPPI; or because you have previously expressed interest in this topic.


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