1. SYNTHETIC FIBRES AND PLASTICS Ms. ANUPAMA SINGH

2. CHARACTERISTIC PROPERTIES OF PLASTICSCHARACTERISTIC PROPERTIES OF PLASTICS

3. PLASTIC IS NON- REACTIVE Unlike metals plastics do not react with water and air hence do not corrode easily.Unlike metals plastics do not react with water and air hence do not corrode easily.

4. Hence used for storing various kinds of materials like chemicals, food items and pickles.Hence used for storing various kinds of materials like chemicals, food items and pickles.

6. PLASTIC IS LIGHT, STRONG AND DURABLE It is therefore used for making buckets or mugs of different shapes and sizes which are generally cheaper than metals.It is therefore used for making buckets or mugs of different shapes and sizes which are generally cheaper than metals.

8. PLASTICS ARE POOR CONDUCTORS OF HEAT AND ELECTRICITY It is used for making covering of electrical wires, handles of screw drivers and handles of frying pans.It is used for making covering of electrical wires, handles of screw drivers and handles of frying pans.

11. USES OF PLASTICSUSES OF PLASTICS

12. Used in packing tablets, threads for stitching wounds, syringes, doctor’s gloves and surgical instruments.Used in packing tablets, threads for stitching wounds, syringes, doctor’s gloves and surgical instruments.

13. Used for making special plastic cookware for microwave ovens.Used for making special plastic cookware for microwave ovens.

14. Teflon is used for making non- stick coating for utensils.Teflon is used for making non- stick coating for utensils.

16. Uniforms of firemen have fire proof coating of melamine.Uniforms of firemen have fire proof coating of melamine.

17. BIODEGRADABLE MATERIAL Material which gets decomposed through natural processes such as action of bacteria.Material which gets decomposed through natural processes such as action of bacteria. Example: plants and animal waste, paper, cotton wood.Example: plants and animal waste, paper, cotton wood.

18. NON-BIODEGRADABLE MATERIAL Material which is not easily decomposed by natural processes.Material which is not easily decomposed by natural processes. Example: metals articles, plastic bags.Example: metals articles, plastic bags.