a) Biaxially operated polypropylene
b) Biaxiallyoriented propylene
c) Biaxiallyoriented packaged propylene
d) Biaxially oriented polypropylene
Answer: d
Explanation: BOPP stands for biaxially oriented polypropylene. BOPP is mostly used in packaging labels. It is a product of heat-setting, the process in which a film is reheated in a constrained strain. It is produced by the tenderframe technology for orientation of plastic films.
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