FIELD: engine engineering.
SUBSTANCE: inner pipe is two-layered. The inner layer is made of rubber composition on the basis of fluoroelastomer comprising 67.5-68% of fluorine and thickness of 0.4-0.8 mm, fine hydroxide of calcium. The intermediate layer is made of a rubber mixture on the basis of resin epichlorohydrin providing vulcanization the intermediate layer with the inner layer.
EFFECT: enhanced protection against fuels.
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RU2326140C1 |
