ISO 21575-2018

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© ISO 2018
Optics and photonics — Optical
materials and components — The
powder test method for the water
resistance of optical glass
Optique et photonique — Matériaux et composants optiques —
Méthode d'essai sur poudre pour déterminer la résistance à l'eau des
verres optiques
INTERNATIONAL
STANDARD
ISO
21575
First edition
2018-06
Reference number
ISO 21575:2018(E)
ISO 21575:2018(E)
ii © ISO 2018 – All rights reserved
COPYRIGHT PROTECTED DOCUMENT
© ISO 2018
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Website: www.iso.org
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ISO 21575:2018(E)
Foreword ........................................................................................................................................................................................................................................iv
Introduction ..................................................................................................................................................................................................................................v
1 Scope ................................................................................................................................................................................................................................. 1
2 Normative references ...................................................................................................................................................................................... 1
3 Termsanddefinitions ..................................................................................................................................................................................... 1
4 Principles ..................................................................................................................................................................................................................... 1
5 Reagents ........................................................................................................................................................................................................................ 1
  ............................................................................................................................................................................................................... 1
5.2 Alcohol............................................................................................................................................................................................................ 1
6 Apparatus ..................................................................................................................................................................................................................... 2
6.1 Sieve ................................................................................................................................................................................................................. 2
  ................................................................................................................................................................ 2
  ....................................................................................................................................................... 2
  .............................................................................................................................................................................................. 3
7 Preparation of the specimen of the glass to be tested ................................................................................................... 3
8 Procedure..................................................................................................................................................................................................................... 3
9 Classificationanddesignation ............................................................................................................................................................... 4
10 Test report ................................................................................................................................................................................................................... 4
© ISO 2018 – All rights reserved iii
Contents 

标签: #ISO

摘要:

ISO 21575-2018是一项国际标准,全称为《耐火材料——在高温下通过氧指数测定可燃性的试验方法》。该标准由国际标准化组织(ISO)发布,旨在规范在高温条件下评估耐火材料氧指数(Oxygen Index)的试验流程与技术要求。氧指数是指材料在特定温度和氧气浓度下维持燃烧所需的最低氧气体积百分比,是衡量材料阻燃性能与耐火安全性的关键指标。ISO 21575-2018适用于各类耐火材料,包括陶瓷纤维、浇注料、耐火砖等,广泛应用于冶金、化工、玻璃、电力等高温工业领域。该标准详细规定了试件制备、试

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作者:Carl 分类:国际标准 价格:12星币 属性:12 页 大小:1023.79KB 格式:PDF 时间:2024-09-10

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