Across
- 5. a plastic material obtained by polymerisation of ethylene
- 6. plastic that can be moulded again and again
- 8. plastic that can be moulded only once
- 9. a synthetic Fibre obtained by the polymerisation of acrilonitrite
Down
- 1. the process of linking monomers to form polymer
- 2. a synthetic Fibre that can be moulded easily
- 3. First synthetic Fibre
- 4. Fibres made by human beings
- 5. formed by a chain of monomers
- 7. Each unit of polymer