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The Standard-Specific Interest Groups (SSIGs) for the following Standards are in need of additional members. These groups may or may not have ballots currently open.

All Standard-Specific Interest Groups (SSIG) require a minimum of 10 members in order to ballot and vote on a draft of a method. The following test methods do not have the required minimum number of members to initiate a ballot:

Optical Properties

T 425 om-21 Opacity of paper (15/d geometry, illuminant A/2 degrees, 89% reflectance backing and paper backing)

• Automatic Review: 10/2025                           Current SSIG Count = 9

T 515 om-20 Visual grading and color matching of paper

• Automatic Review: 04/2024                            Current SSIG Count = 9

T 567 om-20 Determination of effective residual ink concentration (ERIC) by infrared reflectance measurement 

• Automatic Review: 10/2024                            Current SSIG Count = 9

Physical Properties

T 454 om-21 Turpentine test for voids in glassine and greaseproof papers

• Automatic Review: 05/2025                            Current SSIG Count = 8

Pulp Properties
 
T 267 cm-15 Compression wood identification in pulpwood

• Automatic Review: 10/2024                            Current SSIG Count = 8

Participating in a SSIG is free and open to anyone interested. Join now!

If no progress is made on balancing these SSIGs, then the respective methods may be considered for withdrawal at the next Q&SMC meeting. If you have an interest in becoming a member of either of these SSIGs please contact standards@tappi.org. or visit tappi.org/JoinStandards.

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.

TAPPI is the leading technical association for the worldwide pulp, paper and converting industry.
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