Improvements in washers for sealing joints in pipes conveying aromatic hydrocarbons
作者： Poncel Maurice
DOI:
关键词: Joint (geology) 、 Benzene 、 Natural rubber 、 Adhesive 、 Coal gas 、 Copolymer 、 Nitrile 、 Washer 、 Composite material 、 Materials science
摘要: A washer for sealing a joint between pipes conveying gas, such as coal in which aromatic hydrocarbons benzene may be present, consists of body 2 natural rubber partially covered with resistant layer 3 butadiene-acrylic nitrile copolymer secured to the by an adhesive comprising solution chloroprene. The preferably has hardness 80 DEG Shore and 58 Shore.
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