ASTM D6535/D6535M
Standard Practice for Determining the Dip Tube Length of a Mechanical Pump Dispenser
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About This Item
ASTM D6535/D6535M is the ASTM standard for determining the dip tube length of a mechanical pump dispenser. It provides a defined approach for evaluating a key dispenser dimension that can affect how the pump draws product from a container. By helping users measure this feature consistently, the standard supports better product setup, inspection, and compatibility checks for dispensing systems used in packaging and container applications.
Purpose of ASTM D6535/D6535M
The purpose of ASTM D6535/D6535M is to establish a practical practice for determining dip tube length in a mechanical pump dispenser. This matters because dip tube length can influence how the dispenser performs with a given container and formulation. The standard gives manufacturers, suppliers, and quality teams a common technical basis for measurement, which can help reduce variation in evaluation and support more consistent product decisions during development, testing, and procurement.
Common use cases of ASTM D6535/D6535M
This standard is commonly used when assessing mechanical pump dispensers for packaging systems where dip tube length needs to be verified against a container or closure design. It may be applied in incoming inspection, product development, and quality control for dispensers used with liquids or similar fill materials. ASTM D6535/D6535M is also useful when comparing dispenser configurations, confirming assembly details, or supporting documentation for packaging compatibility and performance checks.
Why ASTM D6535/D6535M matters
ASTM D6535/D6535M matters because consistent measurement practices help reduce errors in dispenser evaluation and support more reliable product performance. In packaging operations, even a small difference in dip tube length can affect fit, function, and dispensing behavior. Using a recognized ASTM standard can improve communication between buyers and suppliers, strengthen quality control records, and support compliance-oriented testing. For organizations that specify mechanical pump dispensers, it offers a clearer basis for acceptance and review.
- Dip tube length determination
- Mechanical pump dispenser evaluation
- Packaging compatibility checks
- Quality control and inspection support
- Consistent measurement practice
- Publication Date: 2018-07-19
- Publisher: ASTM
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