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Food-Grade Nitrogen Cartridges for Coffee – OEM & Wholesale
Looking for a reliable factory for your coffee nitrogen cartridges?
At alizeemetal, we supply food-grade N2 cartridges built for nitro infusion — with full customization, direct factory pricing, and fast global delivery.
From 2g to 4.1g, standard or branded, we tailor every detail to your brew.
Explore Our Full Range of Nitrogen Cartridges for Coffee Systems
Not all nitro coffee setups use the same N2 cartridge — selecting the right capacity and compatibility ensures ideal foam texture, mouthfeel, and system performance. From 2g cartridges for handheld infusers to 4.1g options for café kegs and cold brew taps, we help you choose the right solution. For private brands, fully customized N2 cartridge programs are also available.
☕ 2g N2 Cartridges for Nitro Coffee
Compact and efficient — ideal for handheld dispensers, nitro whippers, and single-serve cold brew systems.
☕ 4.1g N2 Cartridges for Café Systems
Larger capacity and stable flow — built for commercial keg setups, café bars, and high-volume nitro service.
☕ Custom N2 Cartridges for Coffee Brands (OEM)
Tailor your coffee cartridge brand — from gas grade and thread type to logo, sticker, and packaging.
☕ Custom Coffee N2 Cartridges – Tailored for Nitro Cold Brew
Your nitro coffee deserves more than a generic cartridge. At alizeemetal, we customize every aspect of your N2 cartridge to meet the exact needs of cold brew cafés, nitro tap systems, and coffee-focused private labels — from pressure performance to packaging design.
We specialize in smooth-neck 2g N2 cartridges (compatible with NitroPress, iSi, uKeg, etc.) and also offer threaded 4.1g cartridges with 3/8″-24 UNF for higher-output systems.
Laser Logo Marking
Permanently engrave your brand name or batch code directly on the cartridge body — clean, durable, and retail-ready.
Branded Label Stickers
Design full-color stickers that showcase your logo, usage tips, and safety icons — optimized for coffee gift sets and cold brew kits.
Thread Type & Compatibility
Default 2g cartridges come smooth-neck for most nitro coffee makers. For commercial needs, we support threaded variants like 3/8″-24 UNF — or fully custom.
Size & Gas Fill Customization
Choose between standard 2g or 4.1g gas fills — or define your own spec for pressure, gas release, or specialty machines.
Coffee-Focused Packaging
From kraft trays and QR-code sleeves to zero-plastic options — we help you align with coffee brand aesthetics and sustainability values.
Ready to Launch Your Own Nitro Coffee Cartridge?
Technical Specs & Shipping Data – From Factory to Port
When sourcing N2 cartridges for coffee, having the right specifications isn’t just about fit — it’s about logistics, compliance, and consistent product performance. As a factory supplier, we don’t copy catalog numbers — we provide engineering-grade data, verified by years of export experience across 30+ markets.
From cartridge dimensions and gas weight tolerance, to how many boxes fit per container — every number we share is based on real production, real shipping, and real buyer requirements.
What We Provide:
- Precise cartridge measurements (diameter, height, gas weight, net/gross weight)
- Food-grade N2 purity documentation
- Box/tray/container loading charts with pallet breakdown
- Compatible thread types and packaging options for coffee systems
- Compliance-ready format: CE, ISO, UN markings, and MSDS
Whether you’re importing one pallet or five containers, we help you plan clearly — so your order arrives as expected, and clears customs with ease.
Your Manufacturing Partner for Coffee N2 Cartridges
In nitro coffee, it’s not just about caffeine — it’s about texture, pressure, and precision. Cold brew brands, café equipment distributors, and specialty coffee chains choose alizeemetal not just for gas, but for stable supply, system compatibility, and design-ready OEM support.
- ≥99.9% food-grade nitrogen with SGS certification
- Smooth-neck 2g cartridges compatible with NitroPress, iSi, and uKeg
- OEM-ready: free cartridge design, box labeling, and sticker printing
- 500,000+ monthly output with 7–14 day production lead
- Container bundling with nitro keg kits and tap dispensers
The Factory Behind Nitro Coffee Brands
Alizee Gas isn’t a reseller — it’s the group-owned factory behind dozens of cold brew cartridge programs. With three dedicated production bases (N2 cartridges, CO2 cylinders, cream chargers), we control everything from steel forming to gas filling.
No outsourcing. No repackaging. Just real manufacturing, under one roof.
500K+/Month Capacity + Coffee-Centric OEM
With 5 automated lines, we offer fast OEM programs for:
- Smooth-neck 2g cartridges for handheld dispensers
- 4.1g threaded (3/8”-24) cartridges for high-output coffee tap systems
- Logo engraving, custom gas fill, and QR-coded retail kits
- Free samples and brand mockups for private labels
From small roasters to global chains — we help build your cartridge program from the ground up.
Export-Ready with Full Nitro Coffee Compliance
Nitrogen isn’t just another gas — it’s regulated. We ship with full global documentation:
- CE / ISO / UN certification
- SGS-passed food-grade nitrogen reports
- IMDG-compliant DGR packaging
- MSDS, carton labeling, and customs paperwork included
- DDP options available in select regions
Focus on your cold brew. We’ll handle the paperwork and logistics.
One-Stop Supply for Nitro Accessories
We don’t just supply cartridges — we already provide nitrogen to keg, tap, and infuser brands. That means we can help you purchase matching nitro accessories at the lowest factory prices, with quality and compatibility guaranteed.
You get access to:
- Nitro Cold Brew Kegs
- Coffee Tap Dispensers
- Infuser Nozzles, Gaskets, and Adapter Heads
- Barista Kits or Coffee Gift Box Components
Everything can be bundled into one container to:
- Cut freight costs by up to 30%
- Reduce customs handling and lead times
- Launch your nitro coffee program faster, at lower cost
One partner. Lowest price. Full system, shipped together.
Built for Café-Grade Performance
Every coffee cartridge is engineered to perform under pressure:
- Consistent nitrogen flow for cascading pours
- Leak-free design, even in high-humidity environments
- Internal cleaning to protect flavor purity
- Anti-rust finish for café and kitchen use
The result? Foam that impresses. Coffee that speaks for your brand.
Our Guarantee: 3× Value Protection
If there’s ever a verified defect, we’ll provide triple-value compensation — no pushback, no delay.
Because in coffee, trust matters.
- Free replacements or refund x3 value
- No MOQ barrier for OEM
- Fast after-sales response by real factory staff
Work with a supplier that protects your brand — not just your purchase.
📋 Frequently Asked Questions – Coffee N2 Cartridge Procurement
1. I’ve never imported nitrogen cartridges before — how complicated is the process?
It’s simpler than you think. We’ll walk you through every step — from paperwork and freight booking to customs compliance and safety labeling. For many clients, we also offer DDP shipping, where we handle the full delivery to your door.
2. Can I order a mix of cartridges and coffee accessories in one shipment?
Yes — we specialize in container bundling. Whether you need tap kits, valves, kegs, or branded gift sets, we help you ship them together with your cartridges to save cost and simplify logistics.
3. How do I know if your cartridge works with my coffee machine?
Tell us your system (NitroPress, uKeg, or custom), and we’ll recommend the right cartridge spec. Smooth-neck 2g cartridges are our default and fit most devices. Need a custom fit? We support special threading and gas fill adjustments.
4. What happens if there’s a gas leak or product defect after delivery?
We back every order with a 3× compensation policy for verified quality issues — no excuses. Each cartridge is 100% leak-tested and batch-coded, and our after-sales team responds within 24 hours.
5. Can I test your cartridges before committing to a bulk order?
Absolutely. We offer free sample kits, shipped with your label design if needed. You can assess pressure, foam quality, and compatibility before confirming your production run.
6. Are 8g Argon and 8g Nitrogen cartridges the same?
No. They contain different gases for different uses.
Argon is used for wine preservation.
Nitrogen is used for drinks like nitro coffee or beer.
They are not interchangeable due to differences in pressure, solubility, and device compatibility.
Have a unique setup or special request?
Let’s talk — our engineers and export team are here to support your coffee cartridge project from start to scale.
Coffee N2 Cartridge Sourcing Guide – What Smart Buyers Need to Know
Whether you’re entering the nitro coffee market or refining your supplier base, this guide helps you understand cartridge specifications, machine compatibility, sourcing risks, and key import/export requirements — so you can buy with confidence and avoid costly mistakes.
Table of Contents
☕ N2 vs CO2 vs N2O: Why Only Nitrogen Delivers True Nitro Coffee
Nitro cold brew isn’t just coffee with bubbles — it’s a carefully crafted texture experience powered by nitrogen gas (N2). Among the three most commonly used food gases — N2, CO2, and N2O — only nitrogen can create the dense, creamy microfoam and cascading visual effect that defines real nitro coffee.
📊 Gas Comparison: Which One Actually Works for Coffee?
| Property | N2 (Nitrogen) | CO2 (Carbon Dioxide) | N2O (Nitrous Oxide) |
| Solubility in Liquid | Low (ideal for foam) | High (adds bubbles) | Very high (dissolves quickly) |
| Taste Impact | None | Acidic, sharp | Sweet aftertaste |
| Texture Result | Dense, stable microfoam | Fizz, carbonation | Soft, unstable foam |
| Visual Cascade | ✅ Yes | ❌ No | ❌ No |
| Common Use Case | Nitro cold brew | Sparkling water, beer | Whipped cream, dessert foams |
| Suitable for Coffee? | ✅ Yes – Industry Standard | ❌ No – Flavor Distortion | ❌ No – Not Built for It |
✅ Why It Matters for Your Product
If you’re selling cold brew coffee that needs to impress on taste, texture, and presentation, there’s no room for substitution.
N2 gives you:
- Creamy mouthfeel without cream
- Stable foam without additives
- A signature cascade that captures attention (and sells more cups)
It’s not just gas — it’s the core of the nitro experience.
Argon vs. Nitrogen: Why N₂ Is Essential for Nitro Coffee & Beer
Some buyers ask if Argon can be used instead of Nitrogen for beverages. While both are inert gases, only Nitrogen delivers the pressurized infusion needed to create that creamy, cascading texture in nitro cold brew or draft beer.
Argon simply doesn’t produce the same effect—it lacks the pressure and solubility characteristics required for beverage foaming.
If you’re choosing gas for any draft beverage system, Nitrogen remains the industry standard.
🔍 Want a full breakdown of the differences?
🌍 Who Are the Leading Coffee N2 Cartridge Brands?
The nitro coffee market has grown fast — and so has the number of N2 cartridge suppliers. But not all brands offer the same gas purity, cartridge compatibility, or packaging quality.
As a buyer, understanding who’s dominating the space (and how they differ) gives you a clear edge in pricing, product positioning, and OEM negotiations.
Here’s what you’ll typically find in the market:
| Brand Type | Description |
| International OEM Labels | Brands that outsource cartridge production to factories (often in China), then rebrand for retail |
| Equipment-Bundled Brands | Cartridge lines created by tap/keg/device manufacturers for bundled use |
| Coffee Roaster Brands | Specialty coffee companies that include cartridges in RTD or gift kits |
| Trading Company Labels | Generic resellers with limited customization or QC control |
Some brands are strong in retail presence but weak on pricing. Others focus on custom packaging but lack gas documentation. A few offer good design but slow lead time.
If you’re building your own brand — or want to benchmark — we’ve reviewed the current top players in the market.
What Affects Coffee N2 Cartridge Quality — and How to Test It
A coffee N2 cartridge may look simple — but what’s inside (and how it performs) can directly impact the texture, taste, and reliability of your cold brew.
If you’re buying for a brand, a café chain, or an equipment bundle, here’s what separates a good cartridge from one that costs you in complaints or returns.
Key Quality Factors to Watch
| Factor | Why It Matters |
| Gas Purity (≥99.9%) | Ensures clean flavor, stable foam, no off-notes |
| Internal Cleanliness | Prevents contamination from oil, metal dust, or residual moisture |
| Seal Integrity | 100% leak-free = longer shelf life, safer storage |
| Pressure Accuracy | Affects foam consistency, pouring control, and user experience |
| Thread or Nozzle Fit | Must match the machine (smooth-neck or threaded) |
| Anti-Rust Coating | Essential for kitchen or bar storage — avoids oxidation marks |
How to Judge Performance from Samples (Buyer’s Test Guide)
- Cold Brew Prep: Use properly chilled cold brew (3–5°C) for testing
- Device Match: Install in actual machine (NitroPress, uKeg, etc.)
- Foam Observation: Look for:
- Visual cascade
- Creamy, stable microfoam
- Even pressure release
- Taste Check: Ensure no metallic or “chemical” aftertaste
- Leak & Residue Check: Remove cartridge post-use and inspect for:
- Leaks around seal
- Any internal moisture or oily residue
- Label & Traceability: Confirm batch coding, logo printing, or certification mark presence
The cartridge is the most overlooked variable in a nitro coffee setup — and often the one that makes or breaks the customer experience.
2g or 4.1g? Choosing the Right Cartridge for Your Nitro Coffee Setup
The size and interface of your N2 cartridge must match your device — otherwise, even the best gas won’t deliver the right result.
At alizeemetal, we supply both 2g smooth-neck cartridges and 4.1g threaded cartridges (3/8”-24 UNF), depending on your system’s design, pressure requirements, and output scale.
📊 Cartridge Compatibility by Device Type
Nitro Coffee System Type | Recommended Cartridge | Interface | Notes |
Handheld Dispensers (NitroPress, iSi Nitro Whip) | 2g | Smooth-neck | Industry standard — non-threaded |
Portable Nitro Kegs (uKeg Nitro, GrowlerWerks) | 2g | Smooth-neck | Built-in puncture chamber |
Commercial Tap Towers (Cafe Nitro Bar, TapCooler) | 4.1g | Threaded 3/8” | Higher volume, continuous flow |
Custom OEM Nitro Machines | 2g or 4.1g | Optional | Fully customizable with thread/pressure specs |
☕ Choosing 2g vs 4.1g — What’s the Difference?
Feature | 2g Cartridge | 4.1g Cartridge |
Best For | Handheld, portable, low-volume use | Café bar, keg taps, commercial output |
Interface | Smooth-neck (non-threaded) | Threaded (3/8”-24 UNF) |
Pressure Duration | Short pour sessions (1–2 cups) | Extended dispensing (multiple servings) |
Machine Compatibility | NitroPress, iSi, uKeg, starter kits | Commercial taps, keg kits |
Packaging Format | Coffee kits, retail boxes | Bulk packs, keg system bundles |
If you’re not sure which type your equipment needs, we’ll confirm it for you — and provide free samples for testing.
Why Is the Foam Not Working? Common Causes of Nitro Failures
Perfect nitro foam depends on more than just a full cartridge — it’s the result of proper pressure, liquid prep, device compatibility, and clean delivery.
If your cold brew looks flat, thin, or uneven, here’s what might be going wrong — and how to fix it:
🚨 Troubleshooting Nitro Coffee Foam Failures
| Symptom | Possible Cause | Suggested Fix |
|---|---|---|
| No cascade, no foam at all |
Wrong gas used (e.g., CO2 or N2O) |
Use ≥99.9% food-grade N2, not CO2/N2O |
| |
Cartridge not fully pierced |
Check chamber or head seal and retry |
| |
Cartridge has leaked during storage |
Weigh sample pre-infusion to confirm full gas volume |
| |
Low-quality cartridge with poor internal pressure |
Use tested, SGS-certified pressure cartridges |
| Foam too weak or disappears quickly |
Coffee too hot or too fresh (not degassed) |
Use cold brew at 3–5°C, rested for ≥12h after brewing |
| |
Fill volume too low |
Ensure bottle is at least 70–80% full for proper release |
| |
Dispensed too fast |
Release with controlled pressure via proper valve use |
| Sputtering or inconsistent flow |
Valve mismatch or threading problem |
Match cartridge type to device: 2g smooth-neck vs 4.1g thread |
| |
Residue buildup in nozzle |
Clean device thoroughly before testing new cartridges |
| |
Cartridge seal damaged during storage or shipping |
Inspect batch integrity and request QC-tested stock |
In over 90% of reported “no foam” cases, the issue isn’t the gas — it’s prep or mismatch. We help you test, troubleshoot, and adjust until you get the perfect pour.
Coffee N2 Cartridge Storage – Wholesale Safety & Brand Integrity
Nitro coffee is all about mouthfeel, microfoam, and visual presentation — and your nitrogen cartridge storage can directly affect all three.
Unlike industrial tanks or CO2 cartridges, coffee N2 cartridges are food-contact components, often included in barista kits, café service trays, or retail gift boxes. That means proper storage is about more than compliance — it’s about protecting product quality and brand trust.
1. Store Cool & Dry — But Also Clean
Coffee N2 cartridges should be stored in well-ventilated, temperature-stable environments — away from roasting zones, direct sunlight, or heat-emitting machinery.
Because outer packaging often reaches the customer, keep cartons:
– Off the ground (use pallets or shelving)
– Away from coffee oils, cleaning agents, or steam
– Free from smudges or staining (especially if branded)
Minor surface issues like rust, label smears, or box damage may not affect function — but they will affect perception, especially in café and gift box contexts.
2. Stack Smart, Rotate Regularly
Each cartridge is a pressurized vessel (UN1066, Class 2.2), and although compact, bulk-packed boxes need care in stacking and turnover.
– Stack no more than manufacturer-recommended height
– Rotate stock using FIFO (first in, first out)
– Separate N2 from CO2 or N2O if stored together
– Keep documentation visible: label markings, MSDS, batch codes
Improper stacking or mixing gases without zoning can lead to confusion or customs delays later in export or re-distribution.
3. Maintain Brand Appearance — It’s Part of the Product
In the specialty coffee world, presentation matters. Whether you’re supplying refill kits, subscription boxes, or bundled dispensers, the outer look of your cartridge and packaging is part of your value.
– Avoid storing near humidity-prone zones
– Handle boxes with clean, dry gloves
– Don’t allow pressure stacking that bends or crushes labels
A clean box, intact seal, and sharp branding signal quality — just like a silky nitro pour.
🌍 Importing Coffee N2 Cartridges – What You Should Know
Coffee-grade nitrogen cartridges are classified as pressurized food-contact goods (UN1066, Class 2.2) — which means your import process must meet both food safety and dangerous goods regulations.
Unlike general hardware or packaging, Coffee N2 cartridges:
- Cannot be shipped by air — sea freight with DG-compliant containers is required
- Must include SGS-tested gas purity reports, batch labels, and MSDS files
- Require customs clearance as both gas products and food-grade materials
- Need strong packaging and anti-corrosion protection for brand appearance
If you’re new to importing or expanding to new markets, knowing the right paperwork and packaging standards can save time — and avoid costly delays at port.
👉 For a step-by-step breakdown of the shipping and customs process, refer to our Coffee N2 Cartridge Import Guide.
What Tools Work with Coffee N2 Cartridges? (And How to Sell Them Too)
Nitrogen cartridges are just one part of the nitro coffee system — and savvy buyers know that real opportunity comes from offering the full experience.
If you’re purchasing N2 cartridges in bulk, consider expanding into compatible tools and accessories. These items not only improve end-user satisfaction, but also open new sales channels in the café, catering, and e-commerce space.
1. Nitro Cold Brew Kegs
Designed for café counters and mobile cold brew service, these stainless steel kegs connect to 2g or 4.1g N2 cartridges via regulator valves or infusion heads. They create the classic cascade effect and creamy texture nitro coffee is known for.
Great for: Coffee shops, event catering, cold brew brands
2. Nitro Cold Brew Dispensers
These tabletop or under-counter units infuse nitrogen into pre-chilled cold brew at the point of dispense. Most systems use smooth-neck 2g N2 cartridges for quick-change convenience.
Great for: Office cafés, food trucks, barista setups, mini tap systems
3. Nitro Cold Brew Whips (Handheld Systems)
Popular for single-serve nitro drinks, these resemble whipped cream dispensers but are built for cold brew infusion. Compatible with smooth-neck N2 cartridges, they offer an affordable way to bring nitro to small cafes or home kits.
Great for: Online gift bundles, barista kits, home brewing market
🔩 4. Supporting Accessories & Spare Parts
We also help clients source and consolidate:
- Infuser nozzles
- Pressure valves
- Adapter heads
- Food-grade sealing gaskets
- Quick-install cartridge holders
These low-cost, high-margin items make your product offering more complete — and more valuable to customers looking for convenience.
💡Tip for Distributors:
You’re not just buying gas — you’re building a system. Adding branded kegs, dispensers, or whips lets you upsell, bundle, and reach broader markets.
We offer factory-priced accessory sourcing and container bundling for simplified logistics.
Beyond Coffee – Where Else Can N2 Cartridges Be Used?
Nitrogen cartridges are most famous for powering nitro cold brew — but their applications go far beyond cafés.
If you’re importing or distributing N2 cartridges, here are other high-potential industries where food-grade nitrogen can add value — and where your product line can grow.
1. Nitro Tea & Milk-Based Beverages
Nitrogen can give milk teas, flavored lattes, and chocolate drinks a creamy, frothy texture — without carbonation.
This technique is gaining traction in the functional beverage and specialty café space.
Compatible with: Nitro whips, infusion dispensersMarkets: Bubble tea chains, RTD brands, mall cafés
2. Culinary Foams & Fine Dining
In molecular gastronomy, N2 cartridges are used in whip-style dispensers to create cold foams from sauces, fruits, and emulsions.
They offer chefs a way to plate texture without additives — especially useful for dairy-free or low-fat creations.
Compatible with: ISI, Whip-It, and similar culinary siphonsMarkets: Hotels, restaurants, cooking schools
3. Food Packaging (MAP Systems)
Small food producers use nitrogen cartridges in modified atmosphere packaging (MAP) to preserve snacks, coffee beans, or fresh produce by replacing oxygen with N2 — extending shelf life naturally.
Compatible with: Handheld MAP sealers, vacuum jar systemsMarkets: Snack OEMs, boutique food brands, DTC packaging services
4. Wine Preservation? Not Quite.
Important Note:
While some general-purpose kits may mention nitrogen, **professional wine preservation systems use argon gas**, not N2.
Argon is heavier than air and creates a tight, non-reactive seal over wine — preventing oxidation without affecting flavor.
If you’re targeting the wine market, check out our Argon Cylinder Solutions instead →
✅ Use Argon (Ar) — not N2 — for wine protection.❌ Avoid using nitrogen cartridges for preserving still wines.👉 Looking for wine preservation gas?
5. Laboratory & Industrial Applications
Portable nitrogen cartridges are also used in:
- Inert gas flushing
- Sensor calibration
- Controlled atmosphere testing
Their small size and consistent output make them ideal for **field kits and compact instruments**.
Markets: Test labs, environmental sensors, analytical equipment kits
💡 Pro Tip for Distributors:
Adding one gas = one SKU.
But adding cross-industry positioning? That unlocks new buyers, better container fill rates, and multi-channel growth — all with the same cartridge base.
♻️ Eco-Friendly Coffee Cartridges – Built for Brands That Care
In the cold brew and café supply world, sustainable packaging is more than a trend — it’s a message your brand sends with every box.
At alizeemetal, we help coffee N2 cartridge buyers reduce environmental impact through:
- ✅ Fully recyclable steel bodies — no mixed materials, no landfill risk
- ✅ Plastic-free packaging options — kraft dividers, paper trays, and pulp molds
- ✅ Carbon-conscious pallet plans — fewer cartons, more units, lower emissions
- ✅ Support for eco-labeling — ideal for retail gift boxes and café kits
Whether you’re targeting eco-conscious cafés or DTC cold brew brands, low-waste presentation and responsible sourcing give you a cleaner supply story — and a competitive edge.
Explore Our Full Beverage Gas Range
Nitro coffee is just the start.
If you’re distributing beverage systems, we also offer food-grade gas cartridges for soda, beer, and wine — all customizable and export-ready.
Beverage Use | Recommended Gas | Product Link |
Sparkling Water | CO2 | |
Draft Beer Systems | CO2 | |
Still Wine Storage | Argon |
💡 All gas types can be bundled in one shipment — save on freight, simplify customs, and streamline your supply chain with a single factory partner.
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We ensure fast global shipping and provide dedicated customer support for all your needs—from product compatibility to custom designs.
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Ready to Elevate Your Coffee?
Contact us now for a personalized quote or to learn how our N2 cartridges can take your coffee business to the next level.
