Introduction of PVC

　　PVC is a synthetic polymer that was originally made in 1872 by a lucky accident. German scientist Eugene Baumann exposed vinyl chloride gas to sunlight. result? A white solid powder known as PVC. PVC is the third largest manufactured synthetic plastic polymer. It is widely used because it is low-cost and versatile.

　　Many people think of PVC as a thermoset, but it is actually a thermoplastic. what does that mean? When heated, thermoplastics can reshape without causing chemical changes. On the other hand, thermoset plastics such as silicone can be heated, but when they form a certain shape, they are permanently fixed.

　　Properties of PVC include:

　　High Density: The density of PVC is 1.38 g/cubic centimeter.

　　Low Cost: Economy friendly and affordable.

　　Good durability: The service life of PVC can reach 40 years.

　　High Strength: High tensile strength (2.6 N/mm2) means that it takes a lot of force to stretch and break it.

　　Excellent Electrical Insulator: PVC does not conduct electricity and is excellent for electrical insulation.

　　Flame Retardancy: When PVC is on fire, it will slowly extinguish the fire, because it contains chlorine and low oxygen combination, which is not conducive to fire.

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