synthetic fibres and plastics ms. anupama singh. characteristic properties of plasticscharacteristic...

SYNTHETIC FIBRES AND SYNTHETIC FIBRES AND PLASTICSPLASTICS

• Ms. ANUPAMA SINGHMs. ANUPAMA SINGH

•CHARACTERISTIC CHARACTERISTIC PROPERTIES OF PROPERTIES OF PLASTICSPLASTICS

PLASTIC IS NON-PLASTIC IS NON-REACTIVEREACTIVE•Unlike metals Unlike metals plastics do plastics do notnot reactreact with with waterwater and and airair hence do not hence do not corrodecorrode easily. easily.

•Hence used for Hence used for storingstoring various kinds various kinds of materials like of materials like chemicalschemicals, , foodfood itemsitems and and picklespickles..

PLASTIC IS LIGHT, STRONG PLASTIC IS LIGHT, STRONG AND DURABLEAND DURABLE

•It is therefore used for It is therefore used for making making bucketsbuckets or or mugsmugs of different shapes and of different shapes and sizes which are generally sizes which are generally cheapercheaper than than metalsmetals..

PLASTICS ARE POOR PLASTICS ARE POOR CONDUCTORS OF HEAT AND CONDUCTORS OF HEAT AND ELECTRICITYELECTRICITY

•It is used for making It is used for making coveringcovering of of electricalelectrical wireswires, handles of screw , handles of screw drivers and handles of drivers and handles of frying pans.frying pans.

•USES OF PLASTICSUSES OF PLASTICS

•Used in packing Used in packing tabletstablets, , threadsthreads for stitching for stitching wounds, wounds, syringessyringes, , doctor’s gloves and doctor’s gloves and surgical surgical instrumentsinstruments..

•Used for making Used for making special plastic special plastic cookwarecookware for for microwave microwave ovensovens..

•Teflon is used Teflon is used for making for making non-non-stickstick coatingcoating for for utensils.utensils.

•Uniforms of Uniforms of firemenfiremen have fire have fire proof coating of proof coating of melaminemelamine..

BIODEGRADABLE BIODEGRADABLE MATERIALMATERIAL•Material which gets Material which gets

decomposeddecomposed through through naturalnatural processesprocesses such as such as action of bacteria.action of bacteria.

•ExampleExample: plants and animal : plants and animal waste, paper, cotton wood.waste, paper, cotton wood.

NON-BIODEGRADABLE NON-BIODEGRADABLE MATERIALMATERIAL

•Material which is Material which is notnot easily easily decomposeddecomposed by by natural processes.natural processes.

•ExampleExample: metals : metals articles, plastic bags.articles, plastic bags.