Resin drum pumps

I. What is the medium in shampoo?

Shampoo belongs to the category of water-based viscous daily chemical fluid media. A more standardized description is: Weakly corrosive, low to medium viscosity, non-Newtonian water-based viscous liquid medium.

1. Water is the primary dispersion medium.

Contains a large amount of surfactants, exhibiting weak acidity to neutrality.

Has a certain consistency, with less fluidity than water, but far less viscous than resins or adhesives.

Slightly corrosive to common metals, but friendly to plastics and 304 stainless steel.

Non-flammable and non-explosive, not classified as a hazardous chemical.

In the classification of pumps and fluid transport, it is usually directly categorized as: Daily Chemical Viscous Liquid / Water-based Viscous Medium.

II. What are the ingredients in shampoo?

Shampoo is a compound water-based daily chemical medium. Its core ingredients can be broadly divided into four categories, which I've also listed here as relevant to the selection of the shampoo pump:

1. Main Solvent

Water (70%–85%)

This determines its water-based nature and provides the foundation for its fluidity.

2. Core Cleaning Ingredients

Anionic Surfactants: AES, SLS, SLES, etc.

Amphoteric/Nonionic Surfactants: Betaine, Alkyl Glucosides, etc.

These substances are weakly corrosive, foaming, and slightly corrode common metals, but are gentle on PP and 304 stainless steel.

3. Thickening and Conditioning Ingredients (Affecting Viscosity)

Thickeners: Sodium Chloride, Guar Gum, Cellulose

Conditioners: Silicone Oil, Cationic Polymers, Cream Ingredients

This part makes the shampoo thicker and stickier, typically with a viscosity of around 1000–5000 cps, classifying it as a low to medium viscosity liquid.

4. Auxiliary Ingredients

Moisturizers: Glycerin, Panthenol, etc.

Preservatives, Fragrances, Pigments

The added amounts are small, and have little impact on the corrosiveness and viscosity of the medium.

III. Shampoo Pump Classification

Based on the characteristics of shampoo—water-based, slightly corrosive, low to medium viscosity, and the presence of surfactants—the following are the main pump types suitable for shampoo extraction, summarized according to application scenarios: Applicable Shampoo Pump Types

PP Plastic Electric Barrel Pump (Most Commonly Used, First Choice)

Material resistant to shampoo corrosion, rust-free, and does not contaminate materials.

Suitable for large barrels of 20L~200L, providing stable pumping and high efficiency.

Suitable for daily material changes in chemical plants, workshop material transportation, and batch filling.

304 Stainless Steel Electric Barrel Pump

Resistant to slight corrosion, high strength, and easy to clean.

Suitable for shampoos with high hygiene requirements and shampoos containing silicone oil.

Pneumatic Diaphragm Pump/Pneumatic Barrel Pump

Can pump medium to high viscosity shampoos, does not easily foam.

Explosion-proof and anti-static, suitable for continuous transportation in factories.

Manual Plastic Barrel Pump (Manual Oil Pump)

Suitable for small-batch packaging, suitable for barbershops and small workshops. Inexpensive, portable, and suitable for low-viscosity, general-purpose shampoos.

PVDF Tank Pump (High-End) (Specialized Type): More resistant to chemical corrosion, suitable for shampoos with strong functionalities and numerous additives.

Shampoo is a complex, water-based daily chemical product. Its main components can be broadly categorized into four types, listed below to help you choose the appropriate shampoo pump:

1. Main Solvent

Water (70%–85%)

Water determines the water-based nature of the shampoo and gives it its fluidity.

2. Core Cleansing Ingredients

Anionic Surfactants: AES, SLS, SLES, etc.

Amphoteric/Nonionic Surfactants: Betaine, Alkyl Glucoside, etc.

These substances are mildly corrosive, foam easily, and have a slight corrosive effect on common metals, but are gentle on polypropylene (PP) and 304 stainless steel.

3. Thickeners and Conditioners (Affect Viscosity)

Thickeners: Sodium chloride, guar gum, cellulose

Conditioners: Silicone oil, cationic polymers, cream ingredients

These ingredients make shampoo thicker and more viscous, with a viscosity typically around 1000–5000 cps, classifying it as a low to medium viscosity liquid.

4. Auxiliary Ingredients

Humorants: Glycerin, panthenol, etc.

Preservatives, Fragrances, Colorants

These ingredients are added in very small amounts and have minimal impact on the corrosiveness and viscosity of the medium.