A matte black glass jar at low MOQ is a stock (public-mould) glass jar with an exterior soft-touch spray, so there is no tooling; the minimum is set by the spray line at 2,000–5,000 pieces per jar shape via partner factories already tooled for small runs, the coating adds about RMB 0.5–1.1 (≈USD 0.07–0.15) per jar, and the sprayed run takes 30–40 days after a sprayed sample (10–14 days) is approved, inside a 30–60 day glass window if a furnace run is needed. The coating is signed against a 3M 810 cross-hatch pull with no lift, pencil hardness ≥2H and a 75% ethanol rub. Your own jar shape means made-to-order glass at 30,000–200,000 pieces, which is why this format is almost always sourced from stock.
How the low-MOQ route works
Glass and decoration are two industries. A forming plant melts and presses the bare jar; a decoration plant sprays, prints and stamps it. A straight-sided, wide-mouth jar of 30–500 ml is a classic form that stock (public) moulds already exist for, so the glass carries no tooling and the only set-up that is made for you alone is the spray line configured for your black. That is why the floor sits at 2,000–5,000 pieces per shape rather than at the 30,000–200,000 furnace minimum of made-to-order glass. An own silhouette means modest tooling (about RMB 4,000 ≈ USD 555 per cavity) but the furnace floor and a 90–120 day programme.
Real minimums, by route
| Route | Indicative minimum | Tooling | Factory-gate lead time | Buffered ×1.3 |
|---|---|---|---|---|
| Stock jar, clear or stock black, undecorated | From ~500 pcs (warehouse stock); low thousands on a public-mould run | None | 7–10 days in stock; glass run 30–60 days | 9–13 / 39–78 days |
| Stock jar + screen print or hot stamp | ~2,000 pcs | Screen ≈RMB 0.1/colour (≈USD 0.014); die ≈RMB 0.4/design (≈USD 0.055) | +5–7 days on the glass cycle | +7–9 days |
| Stock jar + sprayed matte black (this format) | 2,000–5,000 pcs per shape | Colour matching and fixtures; no mould | 30–40 days after sprayed-sample approval; samples 10–14 days | 39–52 days; +15 across Chinese New Year |
| Matched lid: sprayed PP or aluminium | 2,000–5,000 sprayed; ~10,000 plated or custom-tone anodised | Spray fixtures; plating set-up | 25–40 days for aluminium | 33–52 days |
| Own jar shape, new glass mould | 30,000–200,000 pcs made-to-order | RMB 2,500 (≈USD 350) hand mould; RMB 4,000 (≈USD 555) per automatic cavity | 45–60 days tooling + 30–60 days glass | Plan a 90–120 day programme |
| Pressure-sensitive label on a stock jar | ~500 | Print run only | Inside the glass cycle | Lowest route; full colour on stock glass |
Read the floors per component. A jar with a matched lid is two spray set-ups, and a plated or custom-anodised lid does not come below about 10,000 through any supplier. The published industry floor for cosmetic packaging is 5,000–10,000 pieces per item; the lower figures above are indicative, confirmed per quote.
What the coating is, and what it costs
The matte black is a spray coat on the exterior only — it never touches the contents, which is why the interior stays inert glass and food-contact reports for the glass and lid remain valid. A partner decoration line runs a seven-step pre-treatment before primer, mid-coat and top coat. On glass the coating adds roughly RMB 0.5–1.1 per jar, about USD 0.07–0.15, depending on coverage area and how hard the tone is to match. A soft-touch top coat with anti-fingerprint treatment is the version to specify for skincare: bare matte black attracts fingerprints and scuffs through the supply chain, and the cost difference is inside that range.
Two details decide whether the jar looks expensive. Coverage must be dense and even from neck to base with no translucent zone where the fixture masked the glass, and the spray must stop below the thread root — coating on the thread is what lifts when the lid is torqued.
The adhesion test and the two that go with it
A matte finish is only as good as its bond to the glass, so the coating is signed against three physical tests before the sprayed sample becomes the golden sample.
| Test | Method | Pass threshold |
|---|---|---|
| Coating adhesion | 3M 810 tape over a 2 mm cross-hatch cut through the film, pressed 10 passes, pulled at 45° | No lift; cross-hatch grade 1 or better to GB/T 9286 |
| Coating hardness and rub | Pencil hardness to GB/T 6739; 75% alcohol cloth, one pass | ≥2H; soiling removed without damaging the finish |
| Colour migration | Decorated jar in 75% ethanol at 48°C for 12 h | No colour into the solvent; no lifting or softening |
| Coating film, visual | 500–550 lux at 30–35 cm, 45° ± 15°, ≤12 s per piece | None of the 16 named film defects: pinholes, orange peel, sagging, cissing, blistering, peeling and the rest |
| Thermal cycling, filled | Oven 48°C 48 h; freezer −15°C 48 h | No cracking, leakage or coating change after recovery |
| Colour against golden sample | D65 standard light | ΔE within the agreed tolerance; jar and lid judged side by side in one hand |
The cross-hatch pull is the one to insist on. A coating that passes a plain tape pull can still fail once the film is cut, and the cut is what a lid thread or a filling-line rail does in real life. The glass underneath is checked separately — thermal shock to GB/T 4547 (55°C water to 20°C water) and residual stress on a polariscope to GB 4545 — because a rushed annealing lehr is what makes a jar crack weeks after filling, and no coating hides that.
Common failures and the check that catches each
- Fingerprints and scuffs on arrival — bare matte without a soft-touch top coat, or jars packed loose. Alcohol-rub and scratch test on the sample; one cell per jar with a polythene liner in the carton.
- Thin or translucent black at the base or neck — coverage and fixture masking. In-process coverage check; spray stops below the thread root.
- Coating lifts at the thread — spray over the thread, or low-temperature ink on an alcohol-wiped jar. 3M 810 cross-hatch and the 12-hour ethanol migration check.
- Two batches of black do not match — second spray batch run without a control. A sealed golden sample retained, and ΔE under D65 against it on every reorder.
Sizes, necks and what goes inside
Stock straight-sided jars run 30, 50, 100, 150, 200, 250, 400 and 500 ml on wide-mouth necks from Ø43 to Ø100, with walls of 3–7 mm and weights from about 90 g to 900 g in the typical partner-factory range; 30–50 ml suits balm, eye cream and face cream, 100–250 ml body cream, powders and capsules. The interior is uncoated glass, so the compatibility rule moves to the lid liner — PE or silicone for essential oils, an induction seal for powders — and the cream is confirmed in the assembled jar at 48°C for 30 days. The decision between a sprayed black and a black made in the melt is a separate one — see sprayed matte black vs coloured glass.
The glass grades, forming methods and defect limits are on glass bottle specifications; the spray, print and plating processes and what each does to a minimum are on decoration process comparison; the four inspection gates are on the QC standards page and the days behind each route on the lead time index. Before a deposit, use how to evaluate a China packaging supplier to confirm that the glassworks and the decorator each have a quality gate.
Vella is a Guangzhou-based beauty packaging solutions provider — a sourcing partner working with vetted partner factories operating to ISO 22716 / GMP — and routes the glass to a stock-mould glassworks and the coating to a decoration house already tooled for the shape, with the cross-hatch, hardness and migration thresholds written into the drawing. The format is on matte black glass jars; the cream and balm rules on skincare packaging solutions.
Frequently asked
Planning a matte black jar range?
Start with a sprayed sample.
Send the size, quantity, lid preference and contents. Within 24 hours you get stock-mould options, the coating and print cost, the minimum per component and a buffered date.
Send a brief →