Amino resins are used in paper treatment to improve its__________________?
Correct answer: D. All A., B. & C.
- A. Wet tear and bursting strength
- B. Folding endurance
- C. Wet rub resistance
- D. All A., B. & C.
Explanation
Amino resins, especially urea-formaldehyde and melamine-formaldehyde resins, improve paper's wet strength, bursting and tear resistance, folding endurance, and wet rub resistance. Thus all three listed improvements are included.
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