IEC TR 60893-4:2014是一份介绍工业硬质层压板的标准，该层压板基于热固性树脂，用于电气用途。本标准提供了典型值，以便用户在选择材料时进行参考。

工业硬质层压板是一种由多层纸张或织物与热固性树脂交替压制而成的材料。这种材料具有优异的机械性能、电气性能和耐热性能，因此被广泛应用于电气设备中，如电机、变压器、开关等。

本标准提供了工业硬质层压板的典型值，包括密度、弯曲强度、冲击强度、电气强度、介电常数、介质损耗因子等。这些典型值可以帮助用户在选择材料时进行参考，以确保所选材料符合其应用要求。

此外，本标准还提供了工业硬质层压板的分类、尺寸和外观要求等方面的信息。这些信息可以帮助用户更好地了解工业硬质层压板的特性和应用范围。

总之，IEC TR 60893-4:2014是一份非常重要的标准，它为工业硬质层压板的选择和应用提供了重要的参考依据。

相关标准
- IEC 60893-1:2019 Insulating materials - Industrial rigid laminated sheets based on thermosetting resins for electrical purposes - Part 1: Definitions, designations and general requirements
- IEC 60893-2:2019 Insulating materials - Industrial rigid laminated sheets based on thermosetting resins for electrical purposes - Part 2: Methods of test
- IEC 60893-3:2019 Insulating materials - Industrial rigid laminated sheets based on thermosetting resins for electrical purposes - Part 3: Specifications for individual materials - Sheet 1: Requirements for rigid laminated sheets based on thermosetting resins
- IEC 60893-5:2019 Insulating materials - Industrial rigid laminated sheets based on thermosetting resins for electrical purposes - Part 5: Requirements for low-pressure laminates based on thermosetting resins
- IEC 60893-6:2019 Insulating materials - Industrial rigid laminated sheets based on thermosetting resins for electrical purposes - Part 6: Requirements for high-pressure laminates based on thermosetting resins