ASTM D7395
Standard Test Method for Cone/Plate Viscosity at a 500 s-1 Shear Rate
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About This Item
ASTM D7395 is the ASTM standard titled Standard Test Method for Cone/Plate Viscosity at a 500 s-1 Shear Rate. It describes a controlled way to measure viscosity using a cone-and-plate setup at a defined shear rate, helping users compare results under consistent test conditions. As a technical document, it is useful when viscosity data must be repeatable, interpretable, and suitable for product evaluation, quality control, or specification review.
Purpose of ASTM D7395
The purpose of this standard is to provide a test method for measuring cone/plate viscosity at a 500 s-1 shear rate. By fixing the shear rate and using cone/plate geometry, the method supports more consistent measurement of a material’s flow behavior under a specific condition. ASTM D7395 is commonly used as a reference for laboratory testing where controlled viscosity data are needed for comparison, reporting, or internal acceptance criteria.
Common use cases of ASTM D7395
This test method is typically used in laboratories that evaluate fluid or semi-fluid materials where viscosity at a defined shear rate matters. It may support incoming inspection, batch-to-batch comparison, product development, and routine quality checks. ASTM D7395 is especially relevant when a cone/plate viscometer is part of the testing workflow and results must be measured in a consistent, standardized way for technical review or procurement decisions.
Why ASTM D7395 matters
ASTM D7395 matters because standardized viscosity testing helps reduce uncertainty in measurement and improves comparability across labs, suppliers, and production lots. For organizations that rely on rheological data, it can support compliance efforts, product consistency, and better decision-making during testing and quality control. Using a recognized ASTM method also helps make reported results easier to defend in technical documentation and commercial specifications.
- Cone/plate viscosity at 500 s-1
- Standardized laboratory test method
- Controlled shear-rate measurement
- Useful for quality and comparison testing
- Supports repeatable reporting
- Publication Date: 2023-02-17
- Publisher: ASTM
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