ASTM D3890-18

2.1 This practice can be used to visually compare priming characteristics of different pump dispensers and different products.

2.2 This practice is suitable for establishing specifications for both the pump dispenser and the final package.

1.1 This practice covers the determination of the number of actuations required to prime a pump dispenser (spray and flow types) with a consumer-type product.

1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.