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香港2019年六开彩资料精选 » Haisheng Official Website Information Center » Frequently Asked Questions » Haisheng Rubber takes you to know about nitrile rubber seal

Haisheng rubber takes you to know the nitrile rubber seal

返回列表 Source: Cixi Haisheng Rubber Products Co., Ltd. Date 2019-12-21 15:44 Browse: -

O型密封 圈较常用的密封圈之一,但很多人对于它的一些性能还不是很了解,本文主要带大家了解丁腈橡胶 O型密封圈的一些主要性能。 Currently nitrile rubber is one of the more commonly used seals for O-rings , but many people don't know much about its properties. This article takes everyone to understand some of the main properties of nitrile rubber O-rings.

Nitrile rubber, referred to as NBR, is mainly produced by low-temperature emulsion polymerization. It is a synthetic rubber made by copolymerizing butadiene and acrylonitrile. Nitrile rubber is used, which has higher abrasion resistance, better heat resistance and strong adhesion. Its disadvantages are poor low temperature resistance, poor ozone resistance, poor insulation performance and slightly lower elasticity.

(%)有42~46、36~41、31~35、25~30、18~24等五种。 There are five kinds of acrylonitrile content (%) in the nitrile rubber : 42-46, 36-41, 31-35, 25-30, and 18-24. The more acrylonitrile content, the better the oil resistance, but the cold resistance decreases accordingly. It can be used for a long time in air at 120 ° C or in oil at 150 ° C. In addition, it also has good water resistance, air tightness and excellent bonding properties. 密封圈 、多种耐油垫圈、垫片、套管、软包装、软胶管、印染胶辊、电缆胶材料等,在汽车、航空、石油、复印等行业中成为必不可少的弹性材料。 Widely used in the production of various oil-resistant O- rings , a variety of oil-resistant gaskets, gaskets, sleeves, flexible packaging, flexible hoses, printing and dyeing rubber rollers, cable rubber materials, etc., in automotive, aviation, petroleum, photocopying and other industries Essential elastic material.

O型密封圈常见的密度为邵氏A硬度55-75居多,一般65硬度较为常见,主由看丁腈胶密封时候需要的密实度、受力情况和震动等决定。 The common density of NBR rubber O-rings is mostly Shore A hardness 55-75, and generally 65 hardness is more common. It is mainly determined by the density, stress and vibration required when looking at the nitrile rubber seal.

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