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Explain polymerisation vinyl chloride and its applications.
PVC and its applications - It is acquired from polymerisation of vinyl chloride in the presence of a catalyst as peroxides at about 500C. The properties are as mechanical strength, flexibility, porosity, electrical and moisture absorption properties can be changed through adding certain materials. PVC has fine mechanical and electrical properties. This is hard and brittle. It resists flame, most solvents and sunlight. It is non-hygroscopic. PVC is widely used as insulation and jacketing material for cables and wires. PVC films, sheets and tapes are used as insulation for conduit pipes and dry batteries.
Give reason phosphate conditioning is suitable for all operating pressures
The similar system is now heated in two stages, by rst contacting with a reservoir at T2 halfway among T1 and Tf , then by contacting with the reservoir at Tf . Again and the ent
Wet air containing 4.0 mole% water vapor at 76°F and 14.8 psia is passed through a column of calcium chloride pellets. The pellets absorb 97% of the water and none of the other con
#explain the process of x-ray production..
REQUIREMENTS Workbook cum Lab. manual Block 1 (LT-1 course) Pencil Pen Eraser Scale Coloured pens
In a ferroelectric material, the spontaneous polarization vanishes above Curie temperature.
PROCEDURE : Visit the preparation room of the lab (Physics/Chemistry/Zoology/I3otany), you studied in Exercise 1 and note its features. To make your study easy and to guide you, w
in the combustion of heptane in oxygen CO2 was produced.if 500kg of dry ice was produced of which 50% of the CO2 was converted to dry ice,what is the amount of heptane needed to bu
what is the advantages & disadvanteges of road ways
Emulsification: Emulsification can be defined as the property of oils to get intimately mixed with water easily. Emulsions can be oil in water emulsion or water in oil emulsion. C
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