properties

1. strong

1.1. ability to withstand heavy load without breaking

2. hard

2.1. ability to withstand scratches

3. elastic

3.1. ability to stretch up to a certain point without breaking

4. flexible

4.1. ability to bend up to a certain point without breaking

5. waterproof

5.1. inability to absorb water

6. poor conducter of heat

6.1. ability to slow down heat gain or heat loss

7. electrical insulators

7.1. inability to allow electricity to pass through