Key Components & Structure

A. Pump Head (Actuator)

• Material: PP (polypropylene), ABS plastic, or metal-coated for luxury finishes

• Types:

  • Flat-top (standard lotion pumps)

  • Dome-shaped (ergonomic for thick creams)

  • Locking (travel-safe with twist-to-open mechanism)

B. Dip Tube

• Function: Draws product from the bottle bottom

• Material: Flexible LDPE (low-density polyethylene) or rigid PET

• Length: Adjustable (cut to fit bottle height)

C. Housing & Collar

• Material: PP or PET plastic

• Thread sizes: Common neck finishes (24/410, 28/400, etc.)

• Mounting options:

  • Screw-on (most common)

  • Snap-on (for quick assembly)

D. Internal Mechanism

• Spring: Stainless steel or plastic for recoil

• Gasket: Rubber or silicone for leak-proof seal

• Valve system: Prevents backflow and dripping