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buna    
n. 合成橡胶之一种

合成橡胶之一种

buna
n 1: made by polymerizing butadiene [synonym: {buna}, {buna rubber}]

Buna \Buna\ n. [trademark.]
a synthetic rubber made by copolymerizing butadiene with
another substance such as acrylonitrile or styrene.

Syn: buna-S. [WordNet 1.5]


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  • Understanding the Composition of a Nitrile (Buna-N) Rubber Compound
    Acrylonitrile Butadiene Rubber (NBR) or Nitrile rubber is one of the most popular compounds for automotive applications It also is well known as Buna-N This name came from one of the first base polymers patented in 1934, therefore people commonly use this name for all classes for Nitrile to this day
  • Everything You Need to Know About Buna O-Rings
    Buna-N, also known as Nitrile, is the sealing industry’s most economical and widely used elastomer This synthetic rubber material is ideally used for o-rings, gaskets, seals and custom molded components for a variety of industries and applications Material selection plays a critical role in suc
  • Nitrile (Buna-N) - Seal Design Guide | Apple Rubber Products
    Nitrile (Buna-N) Trade Names Perbunan — Arlanxeo; Nipol — Zeon; Krynac — Arlanxeo; ASTM D1418 Designation NBR ASTM D2000 SAE J200 Type, Class BF, BG, BK, CH Apple Compound Designation BN Standard Color Black Description
  • What Is Nitrile? A Guide to Nitrile O-Rings and Seals
    Nitrile, commonly known as NBR or Buna-N, is a synthetic rubber composed of acrylonitrile (ACN) and butadiene Based on the formulated ratio of ACN and butadiene, the working properties of nitrile seals may vary For example, lower ACN content equates to lower glass transition temperature, while hig
  • How to Make the Right Choice Between Viton® and Buna O-Rings
    Buna o-rings, however, are not suitable for ozone or weather exposure and will begin to degrade when exposed While both materials offer excellent capabilities and are similar in many ways, the key differences between the two are crucial when deciding between Viton® and Buna for your sealing application
  • AS568 Standard O-Rings - Apple Rubber
    Nitrile Buna-N: In the Nitrile family, you will find excellent compounds for fuel and oil applications For better ozone resistance, try Hydrogenated Nitrile (HNBR) Ethylene-Propylene: In the Ethylene-Propylene family, you will find compounds that are used extensively for outdoor, weather-resistant uses and water applications
  • NBR O-Rings: Everything You Need to Know - Official Apple Rubber Blog
    NBR, also known as Nitrile or Buna-N, is one of the most widely used and economical elastomers This material offers excellent sealing capabilities at a very low cost NBR is a copolymer of butadiene and acrylonitrile, and depending on the application, the proportions of acrylonitrile can vary from 14% to 50%
  • O-Ring Chemical Compatibility Guide - Apple Rubber
    An interactive O-Ring Chemical Compatibility lookup tool is a guide only No two situations or installations are the same
  • Styrene Butadiene - Seal Design Guide | Apple Rubber Products
    Also known as Buna S, or GR-S (Government Rubber-Styrene), Styrene Butadiene was the elastomer substituted for Natural Rubber during World War II Compounded properties are similar to those of Natural Rubber Key Use Isolation dampeners Temperature Range Standard Compound: -50°F to +212°F (Dry Heat Only) Hardness (Shore A) 40 to 90 Features
  • O-Rings - Standard AS568, ISO 3601 | Apple Rubber Products
    AS568 and ISO 3601 Standard O-ring Sizing Chart; 300M+ In-Stock; Viton FKM, Nitrile NBR, Ethylene-Propylene EPDM, Fluorsilicone, Silicone, Neoprene Rubber O-Rings





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