a) Sodium silicate b) Polyester isocyanate c) Rubber latex d) Dextrin Answer: b Explanation: Polyester isocyanate is ...
View QuestionWhich of the following plastics is used in the lamination of paperboards?
a) LDPE b) PS c) PVC d) HDPE Answer: a Explanation: LDPE is used in the ...
View QuestionWhich of the following processes is done to remove surface contaminants?
a) Priming b) Chemical Treatment c) Corona Treatment d) Flame Treatment Answer: b Explanation: Chemical treatment ...
View QuestionOptimum primer weight for priming films is defined in _____
a) mg/m2 b) μg/m2 c) mg/cm2 d) mg/mm2 Answer: a Explanation: Optimum primer weight for priming films ...
View QuestionFor Flame Treatment prior to laminating and coating, the temperature time combination is _____
a) 2000-4000°C, 5s b) 1000-2800°C, 1s c) 3000-5000°C,10s d) 1000-2800°C, 15s Answer: b Explanation: For Flame ...
View QuestionWhich of the following treatments increases the surface energy by using electricity?
a) Chemical Treatment b) Priming c) Flame Treatment d) Corona Treatment Answer: d Explanation: Corona treatment involves ...
View QuestionIn the process of surface treatment before lamination or coating, the surface energy is ______
a) Constant b) Decreased 10 fold c) Increased d) Decreased Answer: c Explanation: ...
View QuestionMaterials other than a thermoplastic can be used in a laminate.
a) True b) False Answer: a Explanation: The given statement is true. Materials other than a ...
View QuestionCoating is the bonding of two or more layers.
a) False b) True Answer: a Explanation: The above statement is false. Coating is the process ...
View QuestionA single laminate layer is thicker than _____
a) 15 μm b) 6 μm c) 1 μm d) 10 μm Answer: b Explanation: A single ...
View Question