230 O-RING NITRILE (NBR, BUNA)
90 DUROMETER BLACK
CS: .139″ (3.53MM)
ID: 2.484″ (63.09MM)

N90230

Наличие и наличие
В наличии: 287,045
Входящий запас: 372,123
Кол-во Доступный
372,123 07/01/2024
Offsite Stock: 0 ($50 Линия Мин)
Новая продукция: без ограничений ($250 Линия Мин)
Ускоренная доставка*: 08/06/2024
Стандартная Доставка: 10/25/2024
* Добавьте желаемое количество и нажмите ДОБАВИТЬ В КОРЗИНУ, чтобы увидеть ускоренные сборы и варианты.

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  • MCMASTER-CARR 5308T275

Детали

Вес 0.00596 фунт
Shipping Dimensions 2.762 × 2.762 × 0.139 дюйм
Material

Color

Durometer

Size

230

Описание

SPEC SHEET: Nitrile (Buna) 90 Durometer.pdf

Nitrile Rubber (NBR)

Material Description

Nitrile rubber (NBR) also known as Buna N is one of the most commonly used sealing elastomers due to its resistance to petroleum-based fuels and lubricants and its relatively low price. Nitrile elastomers are copolymers of acrylonitrile and butadiene. There are a number of common variations of nitrile compounds.

Acrylonitrile Content

The acrylonitrile (ACN) content of the polymer chains can vary from 18% to 50%. Lower ACN content gives better low-temperature properties but inferior resistance to fuels and polar lubricants. Higher ACN content gives lesser quality low-temperature properties but improved fuels and polar lubricants resistance. Standard NBRs typically have 34% ACN content.

Cure system: Sulfur-cured

Standard Nitriles are usually sulfur-cured. Sulfur-cured compounds offer better low-temperature properties but are more prone to hardening with high temperatures. Peroxide-cured nitriles have better heat resistance and lower compression sets but are more expensive and more difficult to process.

Temperature Range:

Standard Low Temp: -40°C (-40°F)
Standard High Temp: 100°C (212°F)