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Article | March 31, 2000
Liberty Paper, Inc: Moisture barrier linerboard
M-Guard® Moisture Barrier from Liberty Paper (Becker, MN) is a repulpable linerboard that repels moisture yet looks, feels, corrugates and prints like regular linerboard.
The moisture-barrier chemical in M-Guard is an internal bond created during the papermaking process; it doesn’t need to be applied by converters saving application time and clean-up. Paper made with M-Guard will absorb water until the water hits the barrier—it won’t transfer through.
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