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Rubbers

Rubbers also known as elastomers, they are high polymers, which have elastic properties in excess of 300%. Natural Rubber:- Advantages…

Chemistry of some important thermoplastic & thermoset Resins:-

                                                                              Bakelite Properties:- (1) Phenol resins are hard, rigid and strong materials (2) They have excellent heat and moisture resistance.…

Plastics

Plastic is a substance that can be easily formed or moulded into a desired shape. Plastic can be formed in…

Classification of polymers:-

Polymers are classified in to Mechanism of polymerization (Types of polymerization) Types of Polymerisation:- There are two types of polymerization.…

Material Chemistry

Polymers Introduction Polymers form very important components in our daily life. The polymers are highly useful in domestic industrial &…

Internal treatment

In this method raw water in treated inside the boiler. This is a process of adding suitable chemical to residue…

Treatment of boiler feed water (Softening of water)

Determination of Hardness of Water by Winkler’s method:

The determination of dissolved oxygen is to bring about the oxidization of potassium iodide with the dissolved oxygen present in…

Water and It’s Treatment

Introduction The pure water is composed of two parts of hydrogen and one part of oxygen by volume and dissolves…

Surface coatings

The application of surface coating is the common method to protect the surface of the metal from the corroding environment.…

Metallic coatings

The surface of the base metal is coated with another metal (coating metal). Metallic coatings are broadly classified into anodic…