Standards Schedule

Chemical Properties

T 529 om-21

Surface pH measurement of paper

05/17/25

T 222 om-21

Acid insoluble lignin in wood and pulp

10/14/25

T 428 om-21

Hot water extractable acidity or alkalinity of paper

10/14/25

T 650 om-21

Solids content of black liquor

10/14/25

Coating, Printing and Surface Enhancement

T 657 sp-21

Sampling of fillers and pigments

05/17/25

T 627 cm-16

Determination of titanium dioxide

05/18/25

Fiberboard Shipping Container Testing

T 826 om-21

Short span compressive strength of containerboard

05/17/25

T 829 om-21

Score quality test

05/17/25

T 831 om-21

Water absorption of corrugating medium: water drop penetration test

05/17/25

T 844 om-21

Determining construction (nominal basis weight) of corrugated board

10/14/25

T 800 cm-16

Drum test for fiberboard shipping containers (revolving hexagonal drum)

10/19/25

Optical Properties

T 1215 sp-21

The determination of instrumental color differences

05/17/25

T 272 sp-21

Forming handsheets for reflectance testing of pulp (sheet machine procedure)

05/17/25

T 560 om-21

CIE whiteness and tint of paper and paperboard (d/0 geometry, C/2 illuminant/observer)

05/17/25

T 562 om-21

CIE whiteness and tint of paper and paperboard (45/0 geometry, C/2 illuminant/observer)

05/17/25

T 1212 sp-21

Light sources for evaluating papers including those containing fluorescent whitening agents

10/14/25

T 425 om-21

Opacity of paper (15/d geometry, illuminant A/2 degrees, 89% reflectance backing and paper backing)

10/14/25

Physical Properties

T 402 sp-21

Standard conditioning and testing atmospheres for paper, board, pulp handsheets, and related products

05/17/25

T 414 om-21

Internal tearing resistance of paper (Elmendorf-type method)

05/17/25

T 437 om-21

Dirt in paper and paperboard

05/17/25

T 454 om-21

Turpentine test for voids in glassine and greaseproof papers

05/17/25

T 512 sp-21

Creasing of flexible packaging material paper specimens for testing

05/17/25

T 537 om-21

Dirt count in paper and paperboard (optical character recognition - OCR)

05/17/25

T 556 om-21

Bending resistance of paper and paperboard by single-point bending methods

05/17/25

T 563 om-21

Equivalent black area (EBA) and count of visible dirt in pulp, paper and paperboard by image analysis

05/17/25

T 462 cm-16

Castor-oil penetration test for paper

05/18/25

T 411 om-21

Thickness (caliper) of paper, paperboard, and combined board

10/14/25

T 444 sp-21

Silver tarnishing by paper and paperboard

10/14/25

T 448 om-21

Water vapor transmission rate of paper and paperboard at 23 degrees C and 50% RH

10/14/25

T 459 om-21

Surface strength of paper (wax pick test)

10/14/25

T 460 om-21

Air resistance of paper (Gurley method)

10/14/25

T 465 sp-21

Static creasing of paper for water vapor transmission tests

10/14/25

T 476 om-21

Abrasion loss of paper and paperboard (Taber-type method)

10/14/25

T 541 om-21

Internal bond strength of paperboard (z-direction tensile)

10/14/25

T 566 om-21

Bending resistance (stiffness) of paper (Taber-type tester in 0 to 10 Taber stiffness unit configuration)

10/14/25

T 572 sp-21

Accelerated pollutant aging of printing and writing paper by pollution chamber exposure apparatus

10/14/25

T 573 sp-21

Accelerated temperature aging of printing and writing paper by dry oven exposure apparatus

10/14/25

T 577 om-21

Score bend test

10/14/25