Heat from a corrugating machine and friction with a heat plate may degrade the water repellency of waterproof corrugated board product. Test procedure: place a specimen on a plate inclined 45 degrees and drop one drop of water (0.1 mr) from a burette at a height of 10 mm. Water repellency is evaluated by the condition of water drop on the specimen.
|Referential standard||J TAPPI 68-2000|
|Outer dimensions||250x450x750 mm|
|Instrument weight||21 kg|
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