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... flexible bag filled with a gas, such as helium, hydrogen, nitrous oxide, oxygen, or air. Modern balloons can be made from materials such as rubber, latex, poly chloroprene, or a nylon fabric,...
... variety SBR BR CR chemical structure Styrene Butadiene Rubber Polybutadiene Rubber Poly-2-chlorobutadiene -1,3 chloroprene Rubber, Neoprene main characteristics better wear-resistant and anti-aging function...