ASTM D1747
Standard Test Method for Refractive Index of Viscous Materials
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About This Item
ASTM D1747 is the ASTM standard for the refractive index of viscous materials, offering a practical test method for measuring an important optical property. It helps users evaluate how light passes through thicker materials in a consistent, repeatable way. For quality control, product comparison, and technical documentation, this standard supports more reliable measurement and better alignment between suppliers, laboratories, and buyers working with viscous substances.
What is ASTM D1747?
ASTM D1747, officially titled Standard Test Method for Refractive Index of Viscous Materials, describes a test approach for determining refractive index in materials with high viscosity. As an ASTM standard, it provides a recognized framework for measurement consistency and technical communication. This is useful when a product’s optical behavior needs to be checked in a controlled and repeatable manner. The standard is especially relevant where accurate refractive index data supports material characterization or specification review.
Where is ASTM D1747 used?
This standard is commonly used in laboratories and quality control settings that handle viscous materials and need dependable refractive index data. It may support incoming inspection, batch verification, product development, or routine testing of thick liquids, pastes, or similar materials. ASTM D1747 is also useful in environments where analytical equipment and standardized test methods are needed to compare materials consistently and document results for technical or procurement purposes.
Why is ASTM D1747 important?
ASTM D1747 matters because refractive index measurements can be affected by the nature of viscous materials, making a standardized method valuable for consistency. Using a recognized ASTM test method helps reduce ambiguity in results, supports compliance efforts, and improves confidence in product evaluation. It is also helpful for comparing supplier data, maintaining quality control, and reducing risk when optical property data is part of acceptance or specification decisions.
- Standardized refractive index testing
- Designed for viscous materials
- Supports quality control and comparison
- Useful for laboratory and specification work
- Helps improve measurement consistency
- Publication Date: 2019-06-19
- Publisher: ASTM
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