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Product range

Caps

Browse bottle caps, closures, pumps, sprayers, flip tops and specialist closure options for compatible packaging projects. Every item is contact for price. 65 products are listed in this range.

Closure compatibility guide

Specify caps and closures against the exact bottle and product.

A closure is approved as part of a bottle-and-product system. Nominal diameter alone does not prove compatibility: the neck finish, thread profile, sealing surface, liner or bore seal, tamper feature, applied torque and product chemistry all matter. Pumps, sprayers, flip tops and dispensing closures also introduce dip-tube, dose, valve and actuator requirements.

Mechanical fit and seal

Supply the bottle neck drawing and physical samples rather than relying only on a stated size such as 28 mm. Confirm the finish family, thread starts, tamper-band engagement, liner or plug-seal geometry and applied height. Trials should check application, removal, leakage, torque retention and the consumer opening method under the intended storage and transport conditions.

Product and process compatibility

The closure material, liner, wad, valve, spring, gasket and dip tube may all contact the product or headspace. State the product composition, fill temperature, induction-sealing requirement, capping method, cleaning regime and shelf-life target. For trigger sprayers or pumps, include dose, spray pattern, viscosity and tube length requirements.

Environmental considerations for closures

A bottle body and closure may use different polymers and may remain attached or be separated during use. The practical assessment should cover the complete pack, including liners, valves, metal springs, tamper bands and induction foils. A broad claim about the bottle material should not be extended automatically to the closure. Lightweighting or simplifying components can be useful, but only after sealing, dispensing and tamper performance have been confirmed.

InputWhy Lancing needs it
Bottle and neck samplesAllows physical fit, seal and tamper-band checks.
Closure drawing or supplier codeIdentifies the exact finish and component construction.
Product and fill conditionsSupports material, liner and leakage assessment.
Capping equipment and outputDetermines chuck, spindle, cap feeding and torque requirements.
Opening and tamper requirementDefines consumer use and evidence-of-opening expectations.
Environmental evidenceClarifies material, component scope and any claim limitations.

Capping trials, maintenance and failure boundaries

A controlled capping trial should record the bottle and cap batch, product or test liquid, cap feed method, chuck or spindle tooling, bottle restraint, line speed and torque method. Inspect cross-threading, cocked caps, liner damage, tamper-band bridges, scuffing, leakage and removal behaviour. Repeat checks after the agreed storage or transport condition where seal retention matters. The accepted setting should be a range supported by the closure supplier and trial, not a single value copied from an unrelated cap.

Routine reliability depends on clean cap tracks, correctly set guides, undamaged chucks, stable bottles and controlled component dimensions. Change parts and wear items should be identified for every format. If the application requires repeated dispensing, child resistance, venting, pressure relief, induction sealing or a pump or sprayer, a plain screw cap may be the wrong technology. Select the closure function first, then confirm the neck and machine system.

Review the 28 mm MCA tamper-evident cap example

Review the 28 mm MCA tamper-evident cap example, compare bottle formats, consider label and tamper-evident labelling, and use the compatibility guide before approving a closure system.

Discuss your packaging requirement Browse packaging products

Closure component control

Treat closure simplification as a complete-pack engineering change.

A cap may appear to be a small component, but it controls containment, opening, dosing and evidence of tampering. Environmental improvement work should therefore map the complete closure rather than naming only the visible shell material.

Map every functional component

Record the shell, liner, wad, plug, valve, spring, gasket, ball, dip tube, overcap and tamper feature where present. State which parts contact the product or headspace and whether they remain attached to the bottle during use or disposal.

This component map provides the scope for material declarations and prevents a bottle-body claim from being extended automatically to a multi-component dispenser.

Protect the closure function

A proposed lighter, linerless or simplified closure still has to meet fit, leakage, removal, dispensing, tamper and transport criteria. Compare it on the exact neck finish with the actual product, fill conditions and capping equipment.

Where a change affects opening force or dosing, include representative users and the intended number of use cycles in the acceptance plan where appropriate.

Review pointRequired recordRelease check
Material scopeComponent-level declaration and drawingClaim wording covers only the verified components
Neck compatibilityNeck and closure drawings, samples and tolerancesThread, seal land and tamper band engage correctly
ApplicationCap feed, chuck or spindle method and accepted setting rangeNo cross-threading, damage, cocked caps or unstable bottles
Product performanceCompatibility, leakage and storage methodSeal and dispensing remain acceptable through the agreed life
Change controlSupplier, resin, mould, liner and revision historyAny material change triggers evidence and trial review

Buyer questions about closure materials

Does changing to a linerless closure automatically simplify the complete pack?

It can reduce one component, but the new closure must still meet product compatibility, leakage, torque, tamper, storage and consumer-use requirements. The complete-pack assessment should be updated from verified component data.

Can a pump or trigger be assessed as one material?

Only when the supplier evidence supports that scope. Springs, balls, gaskets, valves, dip tubes and overcaps may use different materials and should be included in the component map.

When should capping trials be repeated?

Repeat review when the bottle neck, cap resin, liner, tamper band, supplier, mould, product, fill temperature, capping head or accepted torque window changes, and after any change that affects storage or transport performance.

Bottle and neck selection28 mm tamper-evident cap exampleRecycled-content calculation scopeCompatibility testing guide
Discuss a closure changeSearch cap records
Closure-system guidance

Confirm neck, liner, dispensing and material construction.

A closure’s shell, liner, gasket, valve, spring, dip tube and tamper feature can all affect product compatibility, application and complete-pack recyclability. Use drawings and representative samples rather than nominal diameter alone.

Closure and recycling compatibilityBottle packaging systemsComplete-pack recyclabilityCapping trial and approvalHousehold-product closuresCosmetic pumps and sprays
Send a bottle and closure briefBrowse caps and closures
Buyer questions

More questions about closure fit, torque and dispensing components

Closure approval must include the bottle finish, seal, tamper feature, product and capping method—not only the nominal cap diameter.

Why is neck diameter alone not enough to select a cap?

Nominal diameter does not define thread, height, sealing land, bore, tamper bead or liner interface. Components with the same nominal size can therefore be incompatible.

Use controlled drawings and the bottle-and-cap compatibility questions.

What affects the torque window for a screw closure?

The bottle finish, cap material, liner, tamper band, friction, capping head, application process and storage all affect the acceptable result. Set the window from validated seal and opening performance rather than copying a generic number.

Record actual application and test method with the approved component lots.

How should pumps, triggers and dip tubes be specified for a quotation?

Define the bottle finish and height, product, output or dose requirement where verified, actuator style, lock or overcap, dip-tube material and required reach. Include orientation and capping method.

Supply the bottle and filled-product sample so the complete dispensing system can be assessed.

Bottle neck and cap compatibilityCapping-line compatibilityClosure storage and handling
Discuss your packaging requirementOpen the packaging question library
Opening evidence

Select tamper evidence separately from closure fit and product seal.

A closure may fit the neck yet still require separate proof of leakage, dispensing, first-opening evidence and line application. Tamper evidence is not the same as child resistance or leak prevention.

Does matching cap diameter prove compatibility?

No. Confirm the full finish, thread or engagement, sealing surface, tamper bead, height, liner and application method.

Does a tamper ring prove the pack is secure?

It can provide evidence of opening only when the ring, neck feature and application work as intended. It does not replace leak, transport or user testing.

What should be included in a closure trial?

Use the actual container, closure, liner, product and capping equipment. Record application settings, seal, opening, tamper indication, rejects and post-distribution condition.

Tamper-evident packaging selectionNeck and cap compatibilityDistribution testingClosure recycling compatibility
Send a cap and container briefBrowse closure products

Turn closure fit into a torque and leak-test specification.

A screw cap, pump or sprayer should be approved with the exact bottle neck, liner or gasket, product, capping process and storage route. Nominal diameter identifies only part of the interface.

What is the difference between application and removal torque?

Application torque is the input used to fit the closure; removal torque is the opening force measured later. Material relaxation, liner compression, product, temperature and time can change the relationship.

Does an acceptable torque reading prove that the closure will not leak?

No. Torque must be interpreted with neck condition, liner position, sealing geometry, tamper function and filled-pack leak tests.

What should be supplied for a closure-torque trial?

Send representative bottles, caps, liners, product, fill conditions, planned capping equipment, storage route and any failed samples.

Closure torque testing guideLeak and seal integrityBottle neck and cap matching