Multiple choice Which of the following is a pair of polyesters? Teflon and perlon Glyptal and perlon Dacron and glyptal Styron and dacron Styron and teflon Reveal answer Fill a bubble to check yourself C Correct answer Explanation Dacron and glyptal are polyesters. Dacron is a copolymer of ethylene glycol and terephthalic acid. Glyptal is a copolymer of ethylene glycol and phthalic acid.