Plastics

Types Of Plastics | Classification Of Plastics

What are Plastics?

Plastics is a broad word that refers to a variety of plastic or semi-synthetic materials that are used in a wide range of applications. Plastics can be used almost everywhere. Plastic goods help us live a cleaner, simpler, stronger, and more satisfying life. Plastics can be found in the clothing we wear, the homes we live in, and the automobiles we drive. Plastics are used in the toys we play with, the screens we watch, the IT instruments we use, and the surgical devices we use.

Plastics are a material that is made up mainly of macromolecules, that can be made fluid by the action of heating and pressurizing, and that can be processed into end products with any useful shape you want to make.

Classification of Plastics

Plastics can be classified into:

1. Thermoplastics and Thermosets

2. Amorphous Thermoplastics and Crystalline Thermoplastics

3. Commodity Plastics and Engineering Plastics

4. Thermoplastics and thermosets are the two major forms of plastics.

Thermoplastics Vs Thermosets

Thermoplastics Elastomer

• TPE – thermoplastic elastomer
• Resemble rubber at room temperature
• Can be melt-processed like other thermoplastics
• Become elastic like rubber when cooled

• TPEs have the elasticity of a cross-linked rubber, despite the fact that they are thermoplastic. Their softness or hardness value, as measured on the Shore durometer scale, is a key predictor. TPEs are available as very soft gel materials from 20 Shore OO to 90 Shore A, at which point they join the Shore D scale and can be manufactured to provide hardness values up to 85 Shore D, which designates a very hard substance.

Amorphous Thermoplastics Vs. Crystalline Thermoplastics

 Thermo sets Classifications

Commodity Plastics Vs Engineering Plastics

Engineering plastics vary from commodity plastics in that they are manufactured to survive mechanical and environmental pressures that commodity plastics are not. Engineering plastics have a wide range of uses, but they are not commercially manufactured to the same extent as consumer plastics.

Plastic is a polymeric plastic with the ability to be formed or shaped, typically with the use of heat and pressure. Plasticity, which is often combined with other unique properties including low density, low electrical conductivity, transparency, and hardness, enables plastics to be made into a wide range of products. Polyethylene terephthalate (PET) beverage bottles, adjustable garden hoses made of polyvinyl chloride (PVC), insulating food containers made of foamed polystyrene, and shatterproof windows made of poly methyl methotrexate are only a few examples.

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