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Choosing the right elastomer for air intake and engine oil system gaskets

机译:为进气和发动机油系统垫圈选择合适的弹性体

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More stringent evaporative emission loss and vehicle life requirements imposed by CARB LEV II and EPA Tier II regulations are necessitating replacement of highly permeable Air Intake and Oil System gaskets with low permeation elastomers. Low permeation, however, is not the only requirement for these gaskets. This paper presents data on fuel permeation, compressive stress relaxation and the low temperature sealing properties of the various elastomer candidates for these seals in order to help the sealing system engineer optimize the overall performance of these gaskets.
机译:Carb Lev II和EPA层II法规施加的更严格的蒸发排放损失和车辆寿命要求是需要用低渗透弹性体更换高渗透的进气和油系统垫圈。然而,低渗透不是这些垫圈的唯一要求。本文介绍了燃料渗透的数据,压缩应力松弛和这些密封件各种弹性体候选者的低温密封性能,以帮助密封系统工程师优化这些垫圈的整体性能。

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