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The automobile industry is very finicky about its paints and coating. Vehicles are susceptible to different climatic conditions, light, UV, rain, humidity and snow. Apart from environmental factors, coatings get affected by external forces like collisions and scratches. Manufacturers take appropriate care that paints should remain highly resistant to all these factors.

PET bottle act as a strong barrier against water, moisture, light, other environmental factors and has non-reactive properties. This has made PET bottles favourite form of packing for the beverage industry. Carbonated and non-carbonated drinks are safe inside PET packings.

Since a few years, there is strong opposition for usage of plastic bags and plastic packings. Due to its slow biodegradation process, plastic poses a serious threat to the environment. Packaging industry understood the crunch of the situation and rolled our paper bags and paper packings as an alternate. But, users take some good time to accept it as an alternate of plastic bags. In fact, woven bags were also launched, but they were mere adding cost to the customer's pocket. So, after a long

When metals are used in mechanical engineering, they have to be tested for different properties like strength, hardness, toughness, ductility and resistance against impact. To adjudge the suitability of the metal for intended application, different tests are performed using metal testing instruments like Brinell hardness tester, tensile tester, impact tester, etc. Varied metals are used for fabrication of mechanical engineering components. Right metal is picked after testing it for different

Cupping test is a significant test to assess the ductile properties of the metal. In this test, a punching force is applied to the metal sheet of thickness from 0.2mm to 2mm. A visual inspection is done to see if the test material has developed any cracks or deformity. The force applied on the sample is displayed by the gauge. It is very simple to perform this test but it tells very crucial aspects about the test sample. The testing machine conducts this test on the principle that a

When a polymer is chosen for certain applications, there are many parameters that is taken into consideration. Properties like melt flow index, tensile strength, compression strength are some properties that are measured. Melt flow index testing is one test that is done at the very prime level of the manufacturing. It is done on the granules which further take intended shape. In this test, we estimate the flow rate of the molten plastic. Depending upon the flow rate, its suitability for the...

In some materials, knowing the impact strength is a very important parameter, e.g. metal and plastic. As plastic is most commonly used packaging material and metal is most commonly used raw material in different industries. Impact test determines a very important quality of the test, i.e. ductility. Performing a Charpy test will give an estimate whether the metal is ductile or brittle.

When subjected to severe environmental conditions, metals tend to corrode. However, every metal behaves differently in standard conditions. On one hand, due to strong nature metal is used widely for different applications. On the other hand, the corrosive property is a big set-back. Coating, plating, painting, etc. are some way outs of protection from surroundings.