Part of our champagne bottles wholesale range; the stock moulds are pictured at the end of this guide.
Buy sparkling wine bottles on pressure rating first and appearance second. A traditional-method wine builds 5-6 bar of CO₂ inside the bottle, so the glass has to be designed for ≥6 bar and tested by ISO 7458 methods, and still-wine glass must never be used in its place. A wholesale order then comes down to four choices: size (375 ml, 750 ml or 1.5 L magnum), target pressure, colour, and the two closure sets the finish has to accept.
Typical specifications by size
The figures here are typical ranges for planning. The rating and the glass distribution of a given model are confirmed on the project drawing, and where model data has not been published we mark it as to be confirmed per project.
| Size | Typical glass weight | Typical pressure rating | Closures |
|---|---|---|---|
| 375 ml | 450-600 g | ≥6 bar design, ISO 7458 test | Crown cork for tirage, then mushroom cork and wire hood |
| 750 ml | 750-900 g | ≥6 bar design, ISO 7458 test | Crown cork for tirage, then mushroom cork and wire hood |
| 1.5 L magnum | 1,300-1,600 g | ≥6 bar design, ISO 7458 test | Crown cork for tirage, then mushroom cork and wire hood |
The weight is structural. A 750 ml bottle needs 750-900 g because the glass in the punt and the heel carries the pressure load. The deep punt spreads that pressure, stiffens the base and gives the riddling rack something to grip, so its depth and geometry are specified dimensions.
Lower-pressure styles
Pétillant naturel and frizzante sit at 2-4 bar and can go into lighter semi-sparkling formats, which use less glass and cost less to ship. State the target pressure in the enquiry so the bottle is engineered and tested for the CO₂ level you will actually have.
What decides whether the bottle holds pressure
Real pressure capability comes from three things: glass distribution, annealing quality and the machining of the finish. All three are checked on first articles.
- Annealing. Residual stress is relieved in the lehr and verified per ASTM C148. A stressed bottle under 6 bar is a failure waiting to happen.
- Glass distribution. Wall and heel thickness are held within tolerance so stress spreads evenly. At first-article inspection the thickness is recorded at several points on the body.
- Thermal shock. For programmes that pasteurize, we add thermal-shock resistance per ISO 7459 to the specification.
One finish, two closures
A traditional-method bottle is closed twice, and the finish has to be machined for both stages.
During tirage, the secondary fermentation, a crown cork seals the bottle while the yeast works. It is often fitted with a plastic bidule that collects the sediment, and it comes off at disgorgement. The crown-cork seat on the finish needs a tight tolerance, because it holds 6 bar for months or years.
After disgorgement and dosage, the bottle gets its market closure: a mushroom cork with an agglomerated body and natural-cork discs, compressed into the neck, wired down with a hood and covered with a foil capsule. Cork diameter, compression and wire tension all depend on the neck finish. For that reason the cork, the hood and the bottle should be quoted and verified together as a single assembly.
Verification on the chosen bottle covers finish gauges on first articles, the ranges for cork compression and extraction force, and seal integrity in a pressure-hold test before mass release.
Green or flint glass
Champagne green is close to universal for a practical reason. Long ageing on the lees leaves sparkling wine sensitive to light, and the dark green filters out the UV behind light-struck off-flavours, known as goût de lumière. Flint bottles are made for prosecco-style wines that turn over quickly. They work only if the case design and retail handling keep UV away from the wine.
Freight, packing and how to read a quote
Sparkling glass is among the heaviest in wine, and that shows up in freight. A 20 ft container takes roughly 8,000-10,000 sparkling bottles of 750 ml, against 11,000-13,000 in still-wine formats.
Export packing is divider cartons in 5-ply corrugated board, palletized and shrink-wrapped, with fewer bottles per case than still wine. Packed this way, sea freight normally sees breakage well under 1%. We photograph every loading and can arrange third-party inspection on request.
A sparkling programme has more components than a still-wine one, so ask for the quote to be itemised: glass, the tirage closures (crown corks and bidules), the market closures (mushroom corks, wire hoods and foils), packing and inland transport, and sea freight with insurance and duties. A single all-in number hides each of them. Glass is the largest line, and bottle weight and pressure rating are what move it.
Details to send with an enquiry
Four details are enough for a usable first quote through the quote form:
- Size split across 375/750/1.5 L
- Target pressure: traditional 5-6 bar, or a lower-pressure style
- Colour: champagne green or flint
- Closure plan: the tirage stage now and the market set at disgorgement
If the range also includes still wines, see the wine bottle collection and the page on 750ml Bordeaux wine bottles. The full list of bottle collections covers other categories, and our glass bottle manufacturer page explains how production is arranged.
Frequently asked questions
What is the MOQ for champagne and sparkling wine bottles?
It is quoted for each project. The minimum follows from the mould and from the line the bottle runs on.
Can a still-wine bottle be used for sparkling wine?
No. Still-wine glass is neither engineered nor tested for the 5-6 bar a traditional-method wine develops. A sparkling bottle has reinforced glass distribution, a deep punt and a finish machined for closures that hold pressure.
Which closures does méthode traditionnelle production need?
Two sets. Crown corks, usually with bidules, cover tirage. Mushroom corks with wire hoods and foil capsules follow after disgorgement. We quote and verify both sets with the glass.