ASTM D4942
Standard Test Methods for Water Pickup of Lithographic Printing Inks and Vehicles in a Laboratory Mixer
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About This Item
ASTM D4942 is the standard that addresses water pickup of lithographic printing inks and vehicles in a laboratory mixer. It is used to help characterize how these materials behave when water is introduced under controlled mixing conditions, which is important for print performance and formulation review. By providing a common test framework, ASTM D4942 supports more consistent evaluation of inks and vehicles used in lithographic printing applications.
Purpose of ASTM D4942
The purpose of this standard is to define test methods for measuring water pickup in lithographic printing inks and vehicles with a laboratory mixer. This helps users assess how a formulation responds to water during mixing, which can be relevant to ink behavior and process control. As a technical document, ASTM D4942 supports repeatable testing so laboratories and manufacturers can compare materials using a shared method rather than informal judgment.
Common use cases of ASTM D4942
ASTM D4942 is commonly used in laboratory evaluation of lithographic printing inks and related vehicles during development, comparison, or quality control work. It may be applied when a formulator wants to understand water pickup tendencies under controlled conditions, or when a purchaser needs a standardized basis for review. The test method is especially useful in settings where consistent mixer-based measurements help support technical decisions about ink performance.
Why ASTM D4942 matters
This standard matters because water pickup can influence how lithographic inks and vehicles perform in practice, especially when consistency and reproducibility are important. ASTM D4942 gives organizations a recognized way to evaluate that behavior, which can reduce ambiguity in testing and procurement discussions. Using a common ASTM standard also helps support quality control, product comparison, and more reliable communication between suppliers, labs, and customers.
- Laboratory mixer-based water pickup testing
- Lithographic printing ink evaluation
- Vehicle performance comparison
- Quality control and product review
- Standardized test reporting
- Publication Date: 2020-08-12
- Publisher: ASTM
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