GATE (TF) Textile 1992 Question Paper Solution | GATE/1992/TF/09 | Section B Question 9 (Textile Engineering & Fibre Science) _______________ is the catalyst used during polymerization of polypropylene. Answer / Solution Previous Question Next Question Frequently Asked Questions | FAQs GATE Textile Engineering and Fibre Science (TF) Question Papers | GATE Textile Question Answer | GATE Textile Solved Question Papers | GATE Textile Papers | GATE Textile Answer Key