Question

Temperature of cold-end treatment is glass is around ______

(a) 200°C

(b) 150°C

(c) 100°C

(d) 80°C

The question was posed to me in a job interview.

My doubt is from Surface Treatment of Glass in division Glass Packaging Materials of Food Packaging Technology

Answer 1

Correct choice is (c) 100°C

For explanation: Cold-end treatment (typically carried out while the glass container is at less than 100°C) is designed to protect the container surface and assist its flow through the filling line.