The choice of size for foam pumps, lotion pumps and oil pumps ‌ mainly depends on the specific application scenario and needs. Different types of pump dispensers are suitable for different cosmetics and liquids, so the choice of size is crucial. The following are the characteristics and application scenarios of various pump dispensers:

‌Foam pump dispensers: Foam pump dispensers are commonly used to create foam,such as face wash or body wash products that require foam. This pump dispensers does not need to fill the air to produce foam, just tap to obtain a quantitative high-quality foam. The size selection of the foam pump dispensers is usually determined according to the design of the bottle and the amount of liquid to ensure a uniform and stable foam output .Normal neck sizes are 30/410,40/410,40/400,43/410,43/400.The dosages are 0.4CC,0.8CC and 1.5CC.

Lotion pump dispensers: Lotion pump dispensers are suitable for cream and washing products, its specifications range is large, the liquid output can be adjusted according to product type. The size selection of the lotion pump is based on the consistency and fluidity of the product to ensure smooth lotion.Normal neck sizes are 24/410,28/410,30/410,33/410.The dosages are 2CC,4CC.

‌Oil pump: The oil pump is mainly used for the transportation of liquid or semi-solid substances, such as cleansing oil or other special liquids. The choice of the size of the oil pump needs to consider the viscosity and fluidity of the liquid to ensure effective delivery without leakage.Normal neck size is 24/410.The dosages are 0.8CC and 1CC.

When selecting the size, it is also necessary to consider the design and capacity of the bottle to ensure that the pump dispensers can be adapted and stable.

In summary, the size selection of foam pumps, lotion pumps and oil pumps should be determined according to the nature of the specific product, bottle design and use needs to ensure the effectiveness and durability of the pump dispensers.