U Plastic Pipe Elbow Joint 90 Degree Pvc Hose Fittings For Water
PVC was industrialized in the early 1930s.Since the 1930s, PVC
production has been the No. 1 in world plastics consumption for a
long time. In the late 1960s, polyethylene replaced polyvinyl
chloride. Although PVC plastics are now in second place, production
still accounts for more than a quarter of total plastic production.
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PVC was discovered twice in the 19th century, one in Henry Victor
Regnault in 1835 and the other in 1872 by Eugen Baumann. In both
opportunities, the polymer appeared in a beaker of vinyl chloride
placed under the sun as a white solid. At the beginning of the 20th
century, Russian chemist Ivan Ostromislensky and German chemist
Fritz Klatte of Griesheim-Elektron tried to use PVC for commercial
purposes, but the difficulty was how to process this hard,
sometimes brittle polymer.
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