What are stick packs used for?
Stick packs hold one portion of a product in a slim tube of film that the user tears open to pour or squeeze: one coffee, one sugar, one serving of collagen or protein, one drink mix or one energy gel. Brands use them for retail single servings, on-the-go products, portion control, samples and hospitality packs. Most stick packs carry food, drinks and supplements, and the same format also serves some personal-care liquids.
A stick pack filling machine makes them. It forms film into narrow tubes, doses one serving into each lane, seals and cuts, and repeats the cycle on every lane at once. What a machine can fill depends on its dosing system, so the first question about any product is its physical form: powder, granule, or liquid and gel. The table groups common stick pack products by form and shows which machine each one starts from; the application pages below cover the checks for specific products.
Single-serve food packets come in more than one shape. A stick pack is a narrow, back-sealed tube; a four-side-seal sachet is flatter and wider and can suit larger or bulkier portions. If you are still choosing between the two, compare the formats before choosing a machine, because they use different forming, sealing and cutting hardware.
Related reading: Powder Stick Pack Machine: Auger Dosing; Granule Stick Pack Machine: Drink Mixes; Liquid Stick Pack Machine for Gels; How a Stick Pack Machine Works; Stick Pack vs Sachet: Which Format to Use
Scroll horizontally to see all columns. Keyboard: focus the table and use the arrow keys.
| Product form | Common stick pack products | Usual dosing | Start with |
|---|---|---|---|
| Powder | Instant coffee, three-in-one coffee mixes, creamer, collagen, fiber and protein powders, powdered drink mixes | Servo auger on each lane | Powder stick pack machine |
| Granules | Sugar, soluble coffee granules, granulated drink mixes and solid beverages | Volumetric cups or vibratory feeding | Granule stick pack machine |
| Liquid and gel | Energy and sports gels, liquid supplements, syrups, honey, sauces and condiments | Piston or servo pump with anti-drip nozzles | Liquid stick pack machine |
Choose an application to start with
Choose the closest application by how your product behaves. Fine coffee powder, a nutritional blend, protein powder and gel raise different questions at the filler. Use the table to identify the first points to check, then open the relevant application page for details on the sample, pack and trial.
A product name starts the conversation, but machine selection needs a representative sample and a defined pack. Two products sold in the same category can still need different setups: a fine, cohesive collagen and a free-flowing agglomerated drink mix, for example, behave very differently in a hopper.
Packing white sugar into small film sticks needs a crystal-flow and dosing review, followed by a defined counting and carton handoff. Use the sugar application brief to prepare those inputs.
Related reading: Sugar Stick Packing Machine; Electrolyte Stick Pack Machines; Probiotic Powder Stick Pack Machine: Auger Dosing & Nitrogen Flushing
Scroll horizontally to see all columns. Keyboard: focus the table and use the arrow keys.
| Application | Questions to resolve |
|---|---|
| Coffee | Powder or granules, blend composition, dose and aroma protection |
| Nutritional powder | Bulk density, dust, flow and cleaning requirements |
| Protein powder | Dose volume, settling, powder handling and recipe changeover |
| Energy gel | Viscosity, filling temperature, residue and pack opening |
| Electrolyte powder | Moisture exposure, caking, contact materials and cleaning conditions |
| Probiotic powder | Thermal exposure at the seal, water activity, foil barrier laminate and nitrogen flushing |
Match the product to a filling method
Powder applications go to the powder machine, gels and liquids go to the liquid and gel machine, and granulated mixes go to the granule machine. Coffee is the one application that can fall on either side: fine instant powder and three-in-one blends are usually assessed on auger dosing, while soluble coffee granules may point to volumetric or vibratory feeding.
Protein and nutritional powders share the powder route, but protein servings often take up more volume per gram, so pack width and length need checking against the reference ranges on the powder machine page. Energy gels need a pump, tubing and anti-drip nozzles rather than an auger. The table below is only a starting point. The sample trial confirms the route.
Scroll horizontally to see all columns. Keyboard: focus the table and use the arrow keys.
| Application | Usual machine route | Check first | Application page |
|---|---|---|---|
| Coffee | Powder machine for instant powder and blends; granule machine for soluble granules | Particle form, blend composition and aroma protection in the film | Coffee stick packs |
| Nutritional powder | Powder machine with auger dosing | Dust, flow after a refill or pause, and cleaning between recipes | Nutraceutical stick packs |
| Protein powder | Powder machine with auger dosing | Dose volume against pack size, settling and recipe changeover | Protein powder stick packs |
| Energy gel | Liquid and gel machine with pump dosing | Viscosity, filling temperature, drip at the nozzle and pack opening | Energy gel stick packs |
| Probiotic powder | Powder machine with servo auger dosing, dust extraction and optional nitrogen flushing | Water activity, foil laminate barrier, jaw temperature isolation and dry cleaning | Probiotic powder stick packs |
What does a coffee stick pack project need?
A coffee project starts with the recipe, because fine instant powder, soluble granules and a sugar-and-creamer blend each reach the hopper differently. Particle size, density and blend handling decide the dosing method, so size the serving around how the drink is prepared and check the volume of your actual material. A pack copied from another coffee brand may have too narrow a filling opening or too little space for your blend.
Settle aroma and moisture protection with the film supplier, then give the chosen film specification to the equipment team. If you want nitrogen flushing, list it as a separate option with its own checks. During the trial, look at fill results lane by lane, dust near the seal, print position and how the pack tears open. Whole beans, capsules and drip-bag filters are different packaging tasks, so name them separately in an inquiry.
Collagen and nutritional powder blends
Nutritional powders vary widely in flow, cohesion, dust and sensitivity to humidity, so describe the formulation and send a sample drawn from production material rather than a lab batch. The stick pack filler portions a blend that has already been mixed; it does not replace upstream mixing or prove that the blend is uniform. Agree the target portion and the checks with the people responsible for production and quality.
For collagen and similar powders, assess an auger filler with the hopper and feeding arrangement. Check weights immediately after a refill and after a pause. Plan access to product-contact parts and the steps needed between recipes before ordering. The trial can show how packs form and seal; product claims and batch-release testing remain with your quality team.
Protein powders with larger volume requirements
Protein blends often take up a lot of volume for their weight, and whey, collagen and plant-based recipes feed and settle in different ways. Measure the actual blend loose and after settling, and list the smallest and largest servings the line must fill. Aim for a pack that lets the dose drop in and the seal close cleanly, not the slimmest possible stick.
Ask how the proposed powder configuration handles your blend and how weights will be checked across every lane. Review dust control, how the pack opens and carton packing together, and spell out cleaning and changeover steps when several formulations share the machine. A fair capacity comparison counts the work between batches as well as the accepted output during a steady run of one recipe.
Energy gels and liquid nutritional products
An energy gel project turns on viscosity, filling temperature and how cleanly the product breaks off at the end of each dose. Describe any particles, foaming or stringing and explain how the gel is supplied to the machine. The pump, hoses, valves and nozzles form one product path and are reviewed together; heating, agitation or automated cleaning are configuration items to confirm, not features to assume.
During a trial, inspect complete packs, including the first ones after a pause, and judge nozzle shutoff and anti-drip performance with the real gel. Decide whether the pack is a slim stick, a wider sachet or another shape and agree the tooling for it. Check the opening feature, seal layout and any shaped-pouch tooling separately from pumpability, and identify the formats included in the proposed machine scope.
Liquid and gel stick pack applications
Liquid stick packs carry products that are squeezed or poured straight from the pack: energy and sports gels, liquid supplements, syrups and honey, and sauces and condiments such as mustard. Our liquid equipment materials also cover lotion and shampoo in sticks and sachets. Say so in an inquiry if your product is a personal-care liquid, because contact materials and cleaning rules differ from those for food.
Liquid stick pack types differ in two ways: what goes in and the pack format. By content, the filling questions move from thin liquids that splash, to viscous gels and syrups that may need warming to pump, to products with particles or a tendency to foam or string at the nozzle. By format, the liquid reference configuration fills a slim stick of about 1–30 ml or a four-side-seal sachet of up to about 50 ml, and each format uses its own forming, sealing and cutting hardware.
For any liquid, describe how it pours or its viscosity, the filling temperature, any particles or foaming, and how it is supplied to the machine. The energy gel page works through a complete liquid example, and the liquid machine page sets out the pump, nozzle and hopper options with their reference ranges.
Related reading: Energy Gel Stick Pack Machine; Liquid Stick Pack Machine for Gels
Scroll horizontally to see all columns. Keyboard: focus the table and use the arrow keys.
| Liquid or gel type | Examples | Check first |
|---|---|---|
| Gels | Energy and sports gels | Clean nozzle cut-off and how easily the gel squeezes out |
| Viscous syrups | Syrups and honey | Filling temperature and whether the hopper must be heated or agitated |
| Thin liquids | Liquid supplements and concentrates | Splashing and drips near the seal area |
| Sauces and condiments | Mustard and similar sauces | Particles and residue in the seal |
| Personal care | Lotion and shampoo | Contact materials, cleaning rules and pack format |
Hard-to-pack products and products not listed here
For a product outside these four examples, start with its physical form. A granulated drink mix may suit the granule machine; a sports or vitamin powder can use the nutritional powder checklist; a syrup or liquid supplement can start with the gel checklist. List any differences that need testing in your brief.
Then describe what makes your product different: a hygroscopic ingredient, visible particles, a very light bulk density or a filling temperature above room temperature. Those details decide whether a standard route applies or whether the trial needs extra tooling or a different feeding arrangement.
Some products are hard to pack in sticks on any machine. None of the traits below rules a product out, but each one calls for a sample trial with your own material before a configuration or price is fixed. The sample testing page explains how a trial is arranged and what to send with the sample.
Related reading: Stick Pack Machine Sample Testing; Request a Stick Pack Machine Quote
- Very fine or light powders that dust or bridge in the hopper
- Hygroscopic blends that cake when exposed to room air
- Sticky or fat-containing powders, such as creamer, that cling to the forming tube
- Fragile granules that break down during feeding or dosing
- Liquids with particles, foam or a filling temperature above room temperature
Matching the pack to the stick pack machine line
Every application needs a pack drawing with overall dimensions, seal widths, opening feature and print orientation, plus a note on what the retail presentation fixes and what can still move. Review the film grade and roll layout with the machine team before ordering production film. Finished dimensions include the seals, so portion weight alone cannot tell you the space available for filling or the right roll width.
Check product preparation, hopper replenishment, counting and carton loading against the output you need. State the target as accepted packs over an agreed period, including routine stops and changeovers. Share your floor plan and utilities so the machine team can check the proposed layout and the connections to equipment you already have.
What should a stick pack trial brief include?
Build the trial around the material behavior that could change equipment selection. For a powder, compare feeding and seal dust; for a liquid, compare delivery and cutoff; for granules, compare portion weight and blend condition. Where several recipes share a line, include the transitions that require different contact parts, cleaning or setup checks.
Agree what the trial will record before the material ships: fill observations by lane, seal and print checks, restart behavior, accepted output and any changeover you want demonstrated, each linked to the material batch, film and configuration used. The sample testing service page explains how trials are arranged. Open the application page for your product and use its checklist to finish the brief.
Common Questions
Which stick pack application page should I read first?
Read the one closest to how your product behaves: coffee, nutritional powder, protein powder or energy gel. Each page lists the dosing, film and trial details that application needs. If your product is a granulated mix, go to the granule machine page instead, since granules are covered on the machine side rather than as a separate application.
Can coffee and nutritional powders share one stick pack machine?
Often yes, when both run on auger dosing and fit the same pack size. The shared line then needs a planned cleaning and changeover routine between recipes, and a very different dose may need other auger tooling. Run each recipe in the sample trial rather than assuming the second one behaves like the first.
Why is a product sample needed for an application review?
Because flow, dust, viscosity and particle behavior decide the setup, and none of them show up in a product name or a photograph of a finished pack. A sample drawn from production material lets the engineers see how it feeds, doses and seals on the proposed configuration before the quotation is fixed.
How does a coffee application differ from a protein powder one?
Coffee blends are usually fine and aroma-sensitive, so film barrier and dust near the seal get the most attention. Protein blends take up more volume per serving and settle differently, so pack width, length and weight checks across lanes come first. Both need a defined dose range and a representative sample.
What is a stick pack filling machine used for?
It forms film into narrow tubes, fills one serving of powder, granules, liquid or gel into each lane, then seals and cuts the sticks, several lanes at a time. Food, drink and supplement brands use it for single servings such as instant coffee, sugar, collagen, protein, drink mixes and energy gels. The dosing system is chosen for the product form.
Can liquids and gels be packed in stick packs?
Yes. Energy gels, liquid supplements, syrups and sauces are packed in sticks on a machine with a pump and anti-drip nozzles on each lane instead of an auger. Viscosity, filling temperature, particles and foaming decide the pump and nozzle setup, so send a sample and the filling temperature with the inquiry.