Red plastic spray bottle with a trigger closure

Representative photo. Your order is made to your specification by a verified seller. Photo: “Red Spray bottle 1440426” by Nevit Dilmen ( talk ), CC BY-SA 3.0.

Plastics and polymers · Plastic packaging and film

Caps and closure manufacturer in Bangladesh

Need a caps and closure manufacturer in Bangladesh? Send the neck drawing or a sample bottle, the cap type, seal, colour and quantity. We source from verified moulders, try the caps on your bottles, check each lot and deliver.

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Checked before it ships
Delivered by Roptan

Prefer to deal with suppliers yourself? Post it on the requirement board

Buying caps and closures in Bangladesh

A cap or closure is the moulded part that seals a bottle or jar and lets the user open it, often again and again. Plastic caps are usually polyethylene or polypropylene, often a different plastic from the bottle. Buyers in Bangladesh include water, drink, edible oil, sauce, cleaner and personal care fillers. The closure is often the most critical part of a pack: a poor seal can spoil what is inside.

A caps and closure manufacturer in Bangladesh works to your neck finish, not the other way round. Roptan sources from verified moulders, gets sample caps run on your bottles and capper, has torque and seal checked, and inspects each lot before dispatch. Quotes come on one basis: resin, cap weight, seal and colour.

Kinds of cap and closure

28 mm drink caps

One-piece caps for the PCO 1881 neck on PET water, juice and soft drink bottles, usually with a tamper-evident band. Choose them for any drink on that neck.

Wide-mouth jar caps

Screw caps for jars, usually polypropylene. Choose them for products that are spooned out; the diameter follows the jar neck.

Dispensing closures

Flip-tops, disc-tops, sports caps, measuring caps, pumps and sprays. Choose them when the user pours, squeezes or doses without taking the cap off.

Induction-seal closures

Supplied with an aluminium foil liner already inside; after capping, the bottle passes under an induction coil that seals the foil. Choose them where the pack must show it is unopened.

Child-resistant closures

Usually need two different motions to open, such as push and turn. Choose them when your buyer or the product's regulator asks.

How to brief a caps and closure manufacturer in Bangladesh

Neck finish: The neck drawing or sample bottles. The cap must match the thread, the venting slots and the bead the tamper band locks under.
Resin and grade: HDPE or PP in a food-contact grade, taste-neutral for water and drinks. No recycled resin unless its process is authorised for food contact.
Seal: A liner, linerless with a deformable rim, or an induction foil liner; for foil, state its layers and your sealing equipment.
Torque: Application and removal torque as a range at a stated temperature, tested on your capper. Too loose leaks or backs off; too tight will not open.
Tamper band and venting: A band that breaks cleanly on first opening, and venting where pressure changes in processing or storage.
Fill and processing: Still, carbonated, hot-filled or heat-treated after capping. Pressure changes in processing or storage decide the venting and seal; carbonated drinks need caps that let gas escape as they open.
Colour and weight: Colour against a physical standard, and cap weight in grams with a tolerance.

Standards, tests and paperwork for closures

ISO 8317: Child-resistant reclosable packages. It is a type approval test: the report covers the cap and container combination tested, not each production lot.
21 CFR 177.1520: The US section for olefin polymers, which covers the polyethylene and polypropylene in caps. The moulder should hold the resin maker's letter citing it.
BDS 1910:2016 and BDS 1911:2016: BSTI standards on polyethylene in contact with food, medicines and drinking water, and the positive list of its permitted constituents.
Regulation (EU) No 10/2011: For caps on food sold in the EU, the supplier issues a written declaration of compliance for the plastic.

What moves the price of caps and closures

Resin: much of the polypropylene used here is imported, so cap prices follow resin and quotes stay valid briefly.
Cap weight: a gram saved is saved on every unit, which is why lighter neck finishes were developed.
Tooling: a new design needs its own injection mould, quoted per cavity set.
Seal and features: liners, tamper bands and colour masterbatch each add cost.

Lead times and delivery

A cap from an existing mould in a stock colour is usually quicker than a new design, which needs a mould, samples and a trial on your bottles before bulk. Foil liners, special colours and imported resin can add time. Roptan confirms the dates and the minimum quantity in the quote.

Roptan delivers caps to your filling plant anywhere in Bangladesh, packed clean, with the lot number on each carton so a fault can be traced to a moulding run, plus the resin declaration, your test reports and a VAT invoice (Mushak 6.3). A 2024 government circular, as reported in the news, lists plastic bottles and their caps among single-use items to be phased out, so confirm the current rule for your use.

Buying caps and closures for export

Roptan quotes FOB Chattogram for caps bought from abroad. EU duties sit with the EU filler: since 3 July 2024 Directive (EU) 2019/904 requires plastic caps on drink containers up to three litres to stay attached, and Regulation (EU) 2025/40, which has applied since 12 August 2026, counts caps, lids, seals and liners as part of the packaging.

What we check for this order

Fit on your bottlesWe try sample caps on your bottles for thread engagement, tamper band lock and leaks after capping.
Torque in rangeWe check application and removal torque on caps from the lot against the agreed range.
Band and linerWe check that bands break cleanly on opening and that liners are seated in every cap sampled.
Resin papersWe match the food-contact declaration and resin grade to the invoice for caps that touch food.

Questions buyers ask

Why do our caps leak or lose gas?

Usually the cap and neck do not match, the liner is not seated, or the capper applies the wrong torque. Check the cap against the neck drawing, run caps on your own capper within the agreed torque range, and test filled bottles for leaks or loss of gas.

Do we need child-resistant caps in Bangladesh?

We found no Bangladesh rule that requires them for general products. Your buyer or the regulator of a medicine or pesticide may ask for them. If so, ask for an ISO 8317 report on the exact cap and container, since the test approves that design, not each lot.

Should our caps be HDPE or PP?

Both are common. One-piece drink caps are often taste-neutral HDPE; jar caps are usually polypropylene. The seal, dispensing parts and product also decide it. State the resin and grade on the order and ask for its food-contact declaration.

What is a tethered cap?

A cap that stays attached to the bottle after opening. The EU has required it since 3 July 2024 for plastic caps on drink containers up to three litres, other than glass or metal ones. The rule binds sellers in the EU market, so an EU importer of your bottles will ask for it.

How soon will I hear back about plastic packaging and film?

Within 48 hours of a complete requirement, with a price and a delivery date. A requirement is complete when it has the quantity, where it is needed and by when.

Who do I deal with?

With Roptan, when Roptan manages the order: we buy from the verified seller and deliver to you. With the supplier directly, when you post on the requirement board and choose a quote yourself.