Pump dispenser



A pump dispenser is used on containers of liquids to help dispensing. They might be used on bottles, jars, or tubes. Often the contents are viscous liquids such as creams and lotions. Some are metered to provide uniform usage. Some mix contents from two or more sources prior to dispensing.

Typical products

 * Liquid soap
 * Moisturizer
 * Toothpaste
 * Lotion
 * Cosmetics
 * Pharmaceuticals

Functioning
Several types of pumps and dispensing systems have been developed. Some of the pumps are similar to those of spray bottles.

Standards, ASTM International

 * D3890 Standard Test Method for Number of Strokes to Prime a Mechanical Pump Dispenser
 * D4333 Test Method for the Compatibility of Mechanical Pump Dispenser Components
 * D4334 Standard Test Method for the Determination of the Dip Tube Retention of a Mechanical Pump Dispenser
 * D4335 Standard Test Method for Determination of Component Retention of a Mechanical Pump Dispenser
 * D4336 Standard Test Methods for Determination of the Output Per Stroke of a Mechanical Pump Dispenser
 * D6534 Standard Test Method for Determining the Peak Force-to-Actuate a Mechanical Pump Dispenser
 * D6535 Standard Test Method for Determining the Dip Tube Length of a Mechanical Pump Dispenser
 * D6536 Standard Test Method for Measuring the Dip Tube Length of a Mechanical Pump Dispenser
 * D6633 Standard Test Method for Basic Functional Stability of a Mechanical Pump Dispenser
 * D6654 Standard Test Method for Basic Storage Stability of a Mechanical Pump Dispenser