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Thermal treatment increases flexibility of mechanical pulps.

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+1 vote
in Food Packaging Technology by (63.0k points)
Thermal treatment increases flexibility of mechanical pulps.

(a) True

(b) False

I got this question during an online interview.

This intriguing question comes from Mechanical Pulping topic in chapter Paper and Paper Based Packaging Materials of Food Packaging Technology

1 Answer

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by (194k points)
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Best answer
Correct choice is (a) True

Explanation: The given statement is true. Thermomechanical pulping (TMP) presteams chips between 110°C and 150°C so that they become malleable and do not fracture readily under the impact of the refiner bars. This material is highly flexible and gives good bonding and surface smoothing to the paper.

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