42mm Round PET Foam Pump Bottles 100/150/200ml

42mm PET Foam Pump Bottles in 100ml, 150ml and 200ml

Boyu Packaging’s 42mm round PET foaming bottle series is designed for facial cleanser, foaming hand wash, mousse cleanser and other low-viscosity personal-care formulas developed for a foam pump. The coordinated 100ml, 150ml and 200ml sizes cover travel, compact retail and daily-use skincare formats. A rigid cylindrical PET body provides a clean shelf appearance, while the wide foaming-pump system mixes liquid with air to dispense ready-to-use foam without an aerosol propellant.

Explore Boyu Packaging’s foam pump bottle collection, learn how foam pump bottles work, compare plastic cosmetic bottles, or review Boyu’s hand wash packaging guide. For samples and current specifications, contact Boyu Packaging.

Core Specifications

Packaging-data note: the listed 60 × 38 × 40cm appears to be an export-carton size, while 0.027kg appears closer to a unit or packed-sample weight. The carton quantity, net weight, gross weight and selected capacity must be confirmed before freight calculations. The 24g and 27g entries should also be reconciled in the final specification.

Capacity Guide

The pump engine occupies significant internal space near the neck. Nominal capacity, brimful capacity and intended fill are therefore different. Confirm adequate headspace so the filled liquid cannot enter the air channel or foaming chamber.

Key Features and Buyer Benefits

• Three coordinated sizes: one cylindrical design supports travel, core retail and larger daily-use products.
• Wide 42mm pump platform: provides room for the foaming engine and a comfortable finger actuator.
• Ready-to-use foam: liquid and air are mixed inside the pump before dispensing.
• Controlled consumption: a correctly matched pump can provide repeatable liquid output and foam volume.
• Rigid PET body: offers clarity, impact resistance and lower shipping weight than glass.
• Custom branding: molded color, pump color and printed logos can be coordinated across a product family.

How the 42mm Foam Pump Works

Pressing the actuator draws liquid through the dip tube while a separate air path supplies air to the pump chamber. The pump combines the two streams and forces the mixture through a mesh, creating foam at the nozzle. When released, the actuator returns and prepares the chamber for the next stroke.

Foam quality depends on the formula, air-to-liquid ratio, pump output, mesh, valve, dip tube and actuator. A 42mm neck does not determine the foam texture by itself. Buyers should approve the complete bottle, pump and formula as one system.

Formula Requirements

Foaming pumps normally require a free-flowing, low-viscosity formulation designed to produce foam. Ordinary thick shampoo, gel hand wash, conditioner, lotion, cream cleanser, scrub and particle-containing products are generally unsuitable unless reformulated and tested by the product developer.

Do not dilute a finished cleanser informally. Adding water can affect preservative efficacy, microbial safety, viscosity, stability and regulatory compliance. Test the production-intent formula and record:

• viscosity and temperature at testing;
• first-priming strokes and actuator force;
• liquid output per stroke and visible foam volume;
• bubble size, foam density, wetness and stability;
• pump recovery, sputtering and dripping;
• mesh clogging after repeated use and storage;
• output consistency when the bottle is nearly empty;
• compatibility with surfactants, oils, fragrance, alcohol, salts and actives.

PET Compared with HDPE, PP and PETG

The assembled pack is multi-material: a PET bottle may be combined with PP pump parts, mesh, spring, seals and a dip tube. Request the final bill of materials and conduct formula compatibility testing on the complete system.

Pump Fit, Sealing and Stability

A reliable 42mm foam package requires more than matching the visible diameter. Confirm the bottle neck finish, pump closure thread, sealing land, gasket or plug structure, pump-engine clearance and dip-tube length. The wide actuator also needs a sufficiently stable bottle base so the pack does not tip during one-hand use on a wet countertop.

Ask for a protective cap, lock or transport clip where needed. The selected feature should prevent accidental actuation without damaging the pump during removal or repeated consumer use.

How to Reduce Leakage and Pump Failure

1. Approve one bottle-and-pump combination with a frozen neck specification.
2. Set the correct dip-tube length and cut angle for every capacity.
3. Control closure torque; under-tightening and over-tightening can both cause failures.
4. Use a validated fill level and keep liquid below the pump air path.
5. Test upright, side and inverted storage with the actual formula.
6. Run heat, cold, vibration, drop and transport simulation.
7. Check priming, foam output, actuator recovery, clogging and performance near empty.
8. Verify that the cap or clip remains secure throughout shipping.

Color, Logo and Decoration

White provides a clean skincare or hygiene appearance, while transparent PET displays the product color and fill level. Translucent, tinted and opaque custom colors can be developed subject to resin, masterbatch and MOQ. Pump color can be coordinated when the selected foamer is available in the required specification.

Silk-screen printing is suitable for simple logos and limited-color artwork. Labels, hot stamping, compatible UV printing or other finishes may be evaluated after the bottle surface and printable area are confirmed. Approve Pantone colors, artwork position, registration, adhesion and rub resistance on a decorated physical sample.

Manufacturing Process

1. Specification review: define capacity, neck finish, formula, foam target, pump, color and artwork.
2. PET preform and bottle molding: form the cylindrical bottle with controlled neck and wall dimensions.
3. Pump-component molding: manufacture actuator, closure, chamber, valves and related parts.
4. Pump assembly: install mesh, spring, seals and dip tube according to the approved configuration.
5. Decoration: apply printing, labels or other approved finishes.
6. Functional testing: inspect fit, torque, priming, output, foam and leakage.
7. Packing: protect pump heads, bottle surfaces and formula-contact parts during shipment.

Quality Control

Recommended inspections include resin and color verification, bottle weight, capacity, height, diameter, neck dimensions, wall distribution, base stability, clarity, contamination, scratches, pump fit, torque, dip-tube length, liquid output, foam appearance, actuation force, recovery, leakage, print adhesion and carton protection.

ISO 9001 describes the factory’s quality-management system; it is not a product-compliance certificate by itself. Buyers should identify the documents required for their destination market and formula, then confirm whether existing declarations or third-party testing are needed.

Target Markets and Use Scenarios

This series is suitable for skincare brands, personal-care importers, hand-wash brands, private-label companies, contract fillers, beauty distributors, spas, hotels, salons and e-commerce retailers. Common projects include amino-acid facial cleansers, mousse wash, foaming hand soap, beard cleanser, selected foaming shampoo and travel-size hygiene products.

Safety, Sustainability and Refillability

PET is lightweight and widely recognized in recycling streams, but actual recyclability depends on local collection, bottle color, labels, inks and whether the multi-material pump is removed. A detachable pump and easily removable label may improve sorting. Environmental, recycled-content, food-contact or BPA-free claims require documentation for the final resin and component configuration.

A removable pump may allow refilling, but refillability should not be claimed without evaluating hygiene, cleaning, pump life and mesh blockage. Dried cleanser can remain in the mesh, while repeated opening can introduce contamination. A controlled refill program should include clear instructions and pump-cycle testing.

MOQ, Price and Tooling

The standard MOQ is 10,000 pieces per capacity, bottle color, pump color and artwork unless the written quotation allows a different combination. Price depends on capacity, PET weight, pump engine, mesh, output, color, decoration, packing, testing and Incoterm. Send the intended formula and foam reference when requesting a quotation.

An existing bottle shape and 42mm pump platform normally do not require a new structural mold when only color and logo change. Printing screens, color matching or fixtures may still carry setup charges. A proprietary shape, altered neck, new capacity or custom actuator requires technical drawings, tooling review and additional lead time.

OEM/ODM Process and Lead Time

1. Send capacity, formula, viscosity, foam target, quantity, colors, artwork and destination market.
2. Confirm the bottle drawing, exact neck finish, pump engine, mesh, output, cap or lock and dip tube.
3. Receive samples and run formula, dispensing, filling and compatibility tests.
4. Approve the assembled color, decoration and functional sample.
5. Confirm quotation, payment terms, inspection standard, packing and delivery schedule.
6. Begin mass production after sample approval and deposit.
7. Complete final inspection, documentation and shipment.

Existing samples are normally prepared in about 3–5 days when components are available. Customized colors or decorated samples generally require about 7–15 days. Mass production is usually planned for approximately 30–45 days after final approval and deposit. New tooling or complex decoration extends the schedule.

Packing, Logistics and After-Sales

Bottles and pumps may be packed separately or assembled according to the filling plan. Inner bags, partitions, trays and pump protection help prevent dust, scratches and accidental actuation. The stated 60 × 38 × 40cm carton must be paired with a confirmed carton quantity and gross weight before calculating volume or freight.

Sea freight is normally economical for 10,000-piece orders; air freight or express is practical for samples. For a quality claim, provide the purchase order, batch number, carton label, affected quantity, photos, videos, formula information and test conditions. This helps identify whether the issue relates to the pump, bottle, formula, filling, transport or storage. Learn more about Boyu Packaging.

Buyer Checklist

• Confirm whether the neck is 42/410 or another 42mm finish.
• Request drawings for the 100ml, 150ml and 200ml bottles separately.
• Clarify whether 24g applies to one capacity, the bottle only or the complete set.
• Confirm pieces per 60 × 38 × 40cm carton and the actual carton gross weight.
• Provide the production-intent formula and viscosity.
• Approve liquid dose and visible foam volume as separate measurements.
• Test pump fit, first priming, foam quality, leakage and near-empty performance.
• Confirm MOQ per capacity, color and artwork.
• Approve a decorated, filled sample before mass production.

Frequently Asked Questions

What capacities are available?

The listed capacities are 100ml, 150ml and 200ml. Confirm nominal, brimful and intended filling volumes for the selected mold.

Does every 42mm foam pump fit this bottle?

No. Neck diameter alone is insufficient. The thread, sealing surface, pump-engine clearance and engagement must match the approved bottle drawing.

Can ordinary liquid soap or shampoo be used?

Only after testing. Standard soap or shampoo may be too viscous. The formula should be developed for a foaming pump and approved with the selected mesh and output.

Is 24g the weight of every bottle size?

That cannot be assumed. Verify the empty bottle weight and tolerance for each capacity and clarify whether the pump is included.

Can the bottle and pump colors be customized?

Yes. Customized colors and silk-screen printing are available subject to component availability, physical color approval and MOQ.

Does logo printing require a new mold?

No. Printing or labeling an existing bottle normally requires no structural mold. New tooling is considered for changes to the bottle shape, capacity, neck or pump design.

How can leakage be reduced?

Use a matched neck and pump, control closure torque, set the correct dip tube and fill level, and complete formula, storage and transport testing.

What is the MOQ and production time?

The standard MOQ is 10,000 pieces per capacity, color and design. Production is generally about 30–45 days after final sample approval and deposit.