Across
- 2. It has the ability to deform and return to their original shape.
- 3. Fiber made by human through chemical synthesis.
- 5. Toothbrush are made of...
- 8. It could not be reheated or reformed.
- 11. A-B-A-B-A-B is a structure of...polymer.
- 12. Soccer ball is made of polyurethane, polyester, and...
- 13. A-A-A-B-B-B is a structure of...polymer.
- 15. It is made of polyacrylonitrile.
- 17. Small subunit of polymer.
- 18. It is a thermoset plastic.
Down
- 1. Rayon is a ... fibers.
- 4. It can be recycle.
- 6. Laptop casing is made of...
- 7. A long chain molecule that composed of a large number of repeating unit.
- 9. Polyester is made of many units of...
- 10. Polymer that isolated from natural material.
- 14. ...polymer is a long chain polymer with inter connection between chain.
- 16. Thermoplastic composes of... or branch chain polymer.