ASTM D4072
Standard Test Method for Toluene-Insoluble (TI) Content of Tar and Pitch
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About This Item
ASTM D4072 is the ASTM standard for the Standard Test Method for Toluene-Insoluble (TI) Content of Tar and Pitch. It provides a consistent way to measure the fraction of material that does not dissolve in toluene, which is useful for evaluating tar and pitch products in quality control and product comparison. By using a defined test method, this standard helps support more reliable results when assessing material consistency and technical compliance.
Overview of ASTM D4072
This standard focuses on determining toluene-insoluble content in tar and pitch materials. The result can help characterize a material’s composition and provide a repeatable basis for comparison between batches, suppliers, or production runs. ASTM D4072 is typically used where a clear laboratory method is needed to support testing, specifications, or internal quality practices. As a technical document, it helps align measurement practices around a common procedure and reporting approach.
Common use cases of ASTM D4072
ASTM D4072 is commonly used in laboratory and quality control settings that evaluate tar and pitch. It may be applied during incoming material checks, batch verification, or product development work where toluene-insoluble content is a relevant property. The standard is also useful when test results must be compared across different facilities or suppliers. For organizations working with tar and pitch materials, it supports a more uniform approach to routine testing and data review.
Benefits of using ASTM D4072
Using ASTM D4072 can improve consistency in test results and reduce ambiguity when measuring toluene-insoluble content. That consistency supports procurement decisions, product evaluation, and specification compliance. It also gives laboratories a shared method that can help reduce variability in reporting and make technical discussions more straightforward. For buyers and users of tar and pitch materials, the standard can be a practical tool for managing quality expectations and reducing testing risk.
- Toluene-insoluble content measurement
- Tar and pitch material evaluation
- Quality control and batch comparison
- Laboratory testing consistency
- Specification and compliance support
- Publication Date: 2023-10-30
- Publisher: ASTM
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