Knowledge Base
ASTM D374
Introducing ASTM D374 – Industrial Physics
ASTM D374 is a global ASTM international standard method to follow when you need to perform thickness testing on solid electrical insulation.
Equipped with a digital micrometer and this ASTM guide you’ll be able to determine the thickness of several types of solid electrical insulating materials. ASTM D374 also includes techniques to follow for the most reliable thickness testing results.
Designers and manufacturers of electrical machinery need to know the thickness of the insulation they’re working with.
Thickness testing first
When you are insulation testing, some electrical properties, such as dielectric strength, vary with the thickness of the material. Before you can really get to know your samples and test properties such as relative permittivity (dielectric constant) and volume resistivity, you’ll need an accurate thickness test reading with a digital micrometer.
ASTM D374 testing equipment
So, how can Industrial Physics improve your ASTM D374 testing?
The popular 49-56 digital micrometer gives precise thickness measurements. Whether you’re working with paper, plastic and plastic films or tissue paper, nonwovens, textiles and other sheet-like substrates.
It’s the tool for the job when your plastic sheet materials must hit international standards, including ASTM D374, ISO, EDANA and more.
Your global test and measurement partner for ASTM D374
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TMI Büchel Digital Micrometer 49-56
With the Digital Micrometer 49-56 from TMI Büchel you'll achieve accurate thickness measurements of a wide range of sheet-like substrates even at low pressures. Complying with the most demanding of international standards, our thickness micrometer offers reliable results.
