There has been some confusion around requirements for the Water Resistant and the Water and Water Vapor Resistant grades in regard to their construction. The intent of this revision is to clarify the wording to require use of water resistant corrugating adhesive for all of these grades, to require a minimum medium weight for all of these grades, and to require use of wet strength resin in the mediums in all of these grades/classes. See the changes in Sections: 6.1.2(2), 6.2.2, 6.2.3, and 7.1.2. These are the only changes made for this revision.
Keywordscorrugated; cut shapes; domestic; fire retardant; sheets; solid fiberboard; weather resistant ; Bending; Boxes; Cut shapes; Fiberboard containers--specifications; Paperboard--specifications; Polyethylene (PE) sheet and film--specifications; Shape characteristics; Sheet materials (general)--paper; Water absorption--paper materials; Water vapor resistance; Weathering--specifications;
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