ASTM D1028-76

Method of Test for Ply Separation (Wet) of Solid and Corrugated Fiberboard (Withdrawn 1981)

General Information

• Status: Withdrawn
• Technical Committee: D10 - Packaging

Standards Content (Sample)

Reproduced By GLOBAL
ENGINEERING DOCUMENTS
With The Permission Of ASTM
Under Royalty Agreement
~m~ oesignatton: o 102s-1e
AMERICAN SOCIETY FOR TESTING AND MATERIALS
1916 Race St., Philadelphia, Pa., 19103
Reprinted from the Annual Book of ASTM Standards, Copyright ASTM
If not listed in the current combined Index, will appear in the next edition.
Standard Test Method for
PLY SEPARATION (WET) OF SOLID AND
1
CORRUGATED FIBERBOARD
This Standard is issued under the fixed designation D 1028; the number immediately following the designation indicates
the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the
year of last reapproval.
1. Scope
5. Test Specimens
1.1 This method covers the evaluation of 5.1 Depending on lot size, cut 3 to 5 speci­
the resistance to ply separation after exposure mens 6 by 10 in. (5. l by 25 cm) in size, cut
to water of solid or corrugated fiberboard fab­ from undamaged, unscored, unprinted portions
ricated with weather-resistant adhesive. It is of the board. If finished containers do not per­
intended primarily to distinguish between mit specimens of this size, smaller-size speci­
nonweather-resistant adhesives and those hav­ mens may be used or some printing or a score
ing weather-resistant properties. near the middle of the specimen (not near an
edge) will be acceptable.
2. Significance
5.2 Corrugated fiberboard shall have the
2.1 The ability of a fiberboard shipping
corrugations opening along the 10-in. dimen­
container to meet certain weather-resistant
sion.
requirements is influenced by the resistance of
6. Conditioning
the plies of the combined board against sepa­
ration after exposure to water. An appraisal
6.1 Board or containers shall be allowed to
of the strength retained by the combining
cure in an atmosphere of 50 to 70 percent re­
adhesive after a period of immersion in water
lative humidity at a temperature of 70 to 80 F
is therefore one of the criteria for weather-re­
(21 to 26 C) for a period of not less than 72 h
sistant fiberboard containers.
from the time of manufacture to the time of
submersion. When testing to determine com­
3. Apparatus
pliance with government of other specifica­
3.1 Corrosion-Resisting Tank for holding
tion, this time interval may be increased up to
water and test specimens, of suitable size so
2 weeks.
that water has free access to all surfaces of
NOTE 2-For control purposes only, a quick test
each specimen.
of board at the time of manufacture may be made
by accelerated curing of the adhesive in an oven for
NOTE I-The tank must be kept clean.
IO to 20 min at a temperature of 220 F (105 C)
3.2 Means for supporting the specimens prior
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