Custom 2K Adhesive Cartridge Design & Private Label Manufacturing

A specialty adhesive cartridge manufacturer develops and fabricates dual-component (2K) dispensing cartridges to your specific volume, ratio and brand. Unlike the adhesive formulator, which supplies the formula, hardware OEM Ebestron develops and manufactures the physical dispensing cartridge (plunger rod, follower plate, nozzle, plunger tip) without seeing your formulation. Standard cartridge formats range from 50 ml to 600 ml with 1:1 up to 10:1 mixing ratios.

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Custom 2K Adhesive Cartridge Design and Manufacturing Hardware

200M+ Sets / Year Capacity

50+ Active Patents

50–600ml Volume Range

1:1–10:1 Mixing Ratios

5–10 days Production Lead Time

ISO 9001 Certified Mfg

The Formula-Forward OEM Partnership: Your Chemistry. Our Hardware.

90% of “private label adhesive cartridge” search results yield results for the formulators — not for the original equipment manufacturer that produces the physical cartridge. At Ebestron, we understand you need custom-engineered dispensing hardware, without the exposure of your adhesive formulation.

Wasted months on your new product introduction due to a sourcing error are now avoidable. The fundamental error is mixing the roles of formulators and OEMs. An adhesive brand’s name is at risk of brand damage when their formula’s performance under pressure is blamed. This degradation in product application often traces back to cartridge hardware design: inconsistent mixing, improper material selection, or an under-performing plunger.

While adhesive formulators offer standard commodity storage containers for your formula, Ebestron engineers dispense hardware designed specifically around the unique dispensing behavior of your chemistry. Our team matches plier rod profile, follower plate geometry and cartridge wall thickness and volume, for your exact dispensing application – instead of fitting your formula into a pre-designed packaging format.

We’re the “formulation free” OEM – we build the dispense hardware, not the formula. You provide the product; we engineer the system to deploy it to specifications. Your exact adhesive composition and formulation IP remain your proprietary assets – our engineers only work with the dimensional and performance requirements for the physical dispensing cartridge.

Dimension	Adhesive Formulator (What Most Buyers Find)	Hardware OEM — Ebestron (What You Need)
What they supply	Chemistry (formula in standard cartridge)	Physical cartridge, mixing nozzle, & gun hardware
Your formula IP	You disclose formulation; they fill/supply	100% IP stays with you. We never receive chemistry.
Private label scope	Your label on their design defaults.	Your brand, volume, ratio, material — custom tooling.
Product control	Their chemistry, packaging standard, your label	Complete specification from cartridge to system

“Our product is a Formula-Forward OEM Partnership: Our engineering capability for your dispensing challenge, without touching your chemical composition.”

This insight usually become clear after the fact, when a customer’s perceived “formula defect” actually resulted from dispensing inconsistency attributed to the container: when dispense precision (to 1% or better) at scale is required, hardware design can mean the difference between product performance to specification in the field, and post-sale support issues. Complete the form below and our engineers will reach out within 24 hours.

Get a Specification Quote

What Ebestron Does For Your Brand: Four Core Capabilities

From initial cartridge design through high-volume manufacturing and private label packaging solutions, every stage of the dispensing hardware supply chain is managed under one roof in Jiangsu, China. This in-house integration is what makes a 5–10 day production window possible at our scale.

Custom Cartridge Design

We custom-design and manufacture dual-component adhesive cartridges based on your precise dimension and performance requirements, ensuring your formula performs as intended in the field.

50ml to 600ml (Standardcatalog); Custom OD/length, special volume ODM.
Ratios: 1:1, 2:1, 4:1, 10:1 and custom configurations
Configuration: side-by-side (parallel dual-tube) or coaxial (inner/outer chamber)
Materials: PP (general), HDPE (chemical-resistant), PE (flexible sealant)
Dispense pressures. Viscosity range. extrusion speed for your formulation.

Custom Cartridge Design and Dimension Specs

Tooling & Mold Development

On-site mold engineering with over 50 patents filed to support dispensing hardware IP. Custom molds go from design review to tool approval in 45-60 days, and the tooling is dedicated to your brand account (never shared with a competitor).

3D prototype review before production commit
Exclusive tooling: your design, your account, no third-party sharing
Standard SKU orders (existing molds): production begins immediately
Prototype samples for pre-production evaluation available

High-Volume Manufacturing

200,000,000+ sets of cartridges manufactured each year in Ebestron Jiangsu with 3,000+ dedicated employees. Each production batch of cartridges is produced under ISO 9001:2015 quality standards. Each cartridge that exits the facility under goes 100% pressure testing. No sampling.

Annual capacity: 200M+ sets ensures scalability for fast-growing brands
ISO 9001:2015 certified process, every batch traceable
100% pressure-test QC, not statistical sampling
Shipping Terms: FOB Shanghai; DDP service 3-12 working days to destination

High-Volume Manufacturing Facility and Process

Private Label & Brand Packaging

White label packaging. Cartridge body to finished retail display ready on all Ebestron dispensing hardware with customized color matching, labeling and format design according to customer specification. Retail box, master carton design, insert card coordination available.

Logo application: silk-screen printing, pad printing, IML (In-Mold Labeling)
PMS color matched cartridge body material (full color spectrum)
Label formats: wraparound, end-cap, and nozzle label options
Retail packaging: display box, master carton, product insert
Customize packaging to your market’s regulatory and branding requirements

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Need your material, ratio, and quantity verified before requesting a quote?

Use the Cartridge Compatibility Check

The 2K Cartridge Fit Matrix: Match Volume, Ratio, Chemistry, and Application

Matching hardware cartridge format isn’t just about the quantity required, it’s a critical interplay of side-by-side vs. coaxial configurations, plastic chemistry and the mixer specifications-all which directly impact your material viscosity, working time and delivery rate.

Disregarding this hardware relationship and attempting to dispense a 2:1 ratio material through a 1:1 cartridge may create ratio drift on-device, causing part bond failures typically blamed (incorrectly) on the formula itself. Application engineering data identifies that ratio drift from improper hardware configuration accounts for 23% of warranty claims in adhesive assembly.

Fitting a cartridge in a dispensing gun is not a performance guarantee. As ASI Magazine confirms: “Just because a cartridge system fits in somebody’s dual-component gun doesn’t necessarily mean that it will dispense accurately in order for the material to mix and cure properly.” The physics driving the structural differences between a gun’s mechanical advantage and its extrusion rate determine suitability for specific cartridges. Check out this hardware specification matrix guide based on popular industrial applications and adhesives:

* Mixer element count is a starting recommendation only. “Simple guidelines like ‘all epoxies need 24 elements’ can be dangerous” — Ken Lambert, Product Manager, ITW Plexus. Application-specific mixer testing is required. Contact our engineering team for validation.

Volume	Ratio	Config	Material	Mixer (est.)*	Typical Chemistry	Best For
50ml	1:1	Side-by-side	PP	12-element	Epoxy, silicone	Electronics bonding, PCB assembly, lab-scale sample
50ml	2:1	Side-by-side	PP	16-element	Dental adhesive, acrylic	Precision medical device bonding, dental lab
50ml	10:1	Coaxial	PP	24-element	Fast-cure methacrylate, epoxy anchor	Anchor rod installation, structural spot bonding
200ml	1:1	Side-by-side	PP	12-element	Structural epoxy, MMA	Automotive repair, structural adhesive, curtain wall
200ml	2:1	Side-by-side	PP	16-element	PU sealant, MS polymer	Curtain wall, window installation, expansion joint
200ml	4:1	Side-by-side	HDPE	24-element	Chemical-resistant epoxy, specialty 2K	Industrial maintenance, chemical processing environments
400ml	1:1	Side-by-side	HDPE	12-element	PU, MS polymer, flooring adhesive	Industrial flooring, paneling, production-line bonding
400ml	2:1	Side-by-side	PE	16-element	PU sealant, stone anchor epoxy	Construction joint sealing, stone & tile anchoring
600ml	1:1	Side-by-side	PP	12-element	High-volume structural epoxy, PU	Production-line bonding, high-volume OEM kit assembly
600ml	10:1	Coaxial	PP	24-element	High-ratio epoxy injection, specialty 2K	Concrete repair, high-ratio epoxy injection systems

“We encountered three distinct failure modes when brands try to dispense 10:1 formulations through 1:1 hardware architecture — piston misalignment under load, follower plate binding at mid-stroke, and ratio drift exceeding 15% by the second half of the tube. Every custom-ratio cartridge we produce now goes through full dispensing cycle testing to verify follower plate tracking and ratio accuracy across the entire tube volume, not just the first shot. That test catches ratio drift that a standard pressure test alone will not find.”

— Ebestron Engineering Team, Quality Assurance Protocol

As you consider a custom cartridge for dispensing – check three things prior to setting your specification: (1) that the configuration is appropriate for the ratio – above 4:1 should be coaxial, while a ratio from 1:1 through 4:1 is side-by-side; (2) that the mechanical advantage of the gun is appropriate for the viscosity of your adhesive and your target extrusion rate; and (3) that the number of static mixer nozzle elements specified is based upon the validation on your system rather than an industry generic-standard.

Use the 2K Cartridge Fit Matrix below as a guideline – our engineers provide validation for the overall dispensing system for your application. Your Cartridge Compatibility Check – just send in the name of your gun, and viscosity and ratio of your material and within 24hrs you get back your confirmed specification.

Run Compatibility Check

200ml / 400ml · 1:1 / 2:1 · PP / PE

Construction & Curtain Wall

Window installation, Expansion joint sealing & curtain wall perimeter sealants in MS Polymer and PU type formats. High Volume format – 400ml is standard on all professional & trade grade commercial glazing/façade applications. Must be able to maintain consistent sealing properties across the entire cartridge length without a ratio variation.

Dual-Component Cartridges for Construction and Curtain Wall Sealants

50ml / 200ml · 1:1 · PP

Automotive OEM & Aftermarket

Headlight adhesive; Windshield and metal panel bonding; structural epoxy and MMA cartridges The requirements within automotive specifications call for precise ratio control and consistent shelf life. The common application for 50ml syringe-style cartridges in automotive Assembly are electronics and sensor bonding, aluminum dispensers are often used in this environment.

Automotive OEM and Aftermarket Dispensing Hardware

50ml · 1:1 / 2:1 · PP

Electronics Manufacturing

For PCB chip to heatsink, housing and EMI potting, this thermally conductive epoxy or silicone adhesive is supplied in 50ml cartridges, which is a low-volume option. They provide precise fluid dispensing, without waste, of these expensive specialty adhesives. This requires smooth and consistent, constant plunger pressure to dispense an even bead and avoid air inclusion. Sealing the two chambers eliminate waste of materials due to out-gassing. Protects material and extends shelf life.

High Ratio Cartridges for Stone Anchoring and Infrastructure

200ml / 400ml · 2:1 / 10:1

Stone, Anchoring & Infrastructure

Epoxy / vinyl ester high ratio rebar, rod, concrete repair anchoring High ratio anchoring system 4:1 and up use a coaxial construction to keep the chemical components separate until just before the static mix nozzle-a must with fast-cure systems that the chemicals would stick together if contact happened before the mixer.

Large Format Cartridges for Industrial Flooring and Maintenance

400ml / 600ml · 1:1

Industrial Flooring & Maintenance

Floor adhesive for polyurethane to bond structurally when installing flooring and in-plant/facility maintenance applications. The benefit of the 400mL and 600mL large-format cartridges used here comes from decreasing changeover time when dealing with a significant volume. Using in-plant large-scale production, we can produce a uniform, high-quality adhesive every production lot. This is considered a specialty application because a high viscosity is required.

And while many general sealant cartridge suppliers cap their output to the generic 1:1 caulk tube variety, Ebestron produces cartridges for all five these applications including custom tooling for out-of-ratio and unique-volumes. Which gives brands growing into different industry verticals a single-source cartridge specification for new product lines – a single country and all that goes with managing a single vendor relationship to a unique global set of requirements.

What cartridge format works for your project? – Ask for an assessment free-of-charge – 24-hour response

Get Application Specification

The Manufacturing Record Behind Every Cartridge

For adhesive brand owners, and procurement managers assessing a manufacturer from China the question isn’t whether chinese manufacturing has the quality capabilities – it has, the question is WHICH manufacturer has the scale,IP position, and certification infrastructure required to be a legitimate long-term supply chain partner.

Unlike competitors in this adhesive cartridge space who have zero legitimate industry backlinks and no traceable quality documentation beyond a badge image, Ebestron’s ISO 9001:2015 certification covers the complete manufacturing life cycle — from raw material sourcing to finished product pressure testing. The structural reason buyers stay with Ebestron past the first order is the integration of certified quality systems with high-volume production that does not extend lead times. Submit for ISO certificate details, quality system documentation, or a factory tour.

Ebestron Manufacturing Scale and Quality Infrastructure

200M+ Sets / Year

50+ Active Patents

3,000+ Employees

ISO 9001 Certified System

100% Pressure-Tested

The Procurement Case for Cartridge-Level Precision

Metering Accuracy Reduces Waste

Industry benchmark for precision 2K dispensing systems: ±1% PBV ratio accuracy. Correct metering eliminates adhesive over-application, reduces costs from material waste, and prevents bond failures traced back to ratio variation rather than formula quality.

Single-Supplier Ecosystem Reduces Overhead

Sourcing cartridge, mixing nozzle, and dispensing gun from separate suppliers creates compatibility risk and procurement coordination overhead at every product revision. A single-partner supply chain eliminates cross-supplier approval cycles and ensures system-level compatibility testing before shipment.

5–10 Day Production Enables Demand Planning

Production to DDP delivery in as few as 8 business days for standard SKU orders enables just-in-time restocking and reduces safety stock requirements. Supply chain resilience from in-house manufacturing at 200M sets/year means volume spikes don’t create lead time crises.

ISO 9001 Process = Auditable Quality

ISO 9001:2015 certification on the full manufacturing process, not just a product test, means every production batch is traceable and every customer audit request can be answered with documented process data, not verbal assurances.

Engineering & Configuration Tools

Accelerate your procurement process by utilizing our online technical assessment suite. Verify hardware compatibility, define custom OEM specifications, or configure your private label packaging directly through our secure portals.

APP_01

Cartridge Compatibility Check

Verify your adhesive material, mixing ratio, and volume requirements against our standard and custom hardware configurations to ensure optimal dispensing performance and tight-seal integrity.

Run Check

APP_02

Specification Request

Submit your precise dimensional, material structure, and pressure threshold requirements for custom cartridge tooling. Upload 3D files directly to our engineering team for a 48-hour DFM review.

Submit Spec

APP_03

Private Label Configurator

Configure hardware branding, PMS plastic color matching, pad printing, and retail packaging formats for your white-label dispensing products without managing multiple tier-2 suppliers.

Open Configurator

Frequently Asked Questions

Top FAQs of adhesive brand owners, Chemical procurement professionals, and OEM equipment engineers comparing Ebestron as a custom Private Label cartridge manufacturer.

Are you an adhesive manufacturer or a cartridge manufacturer?

Ebestron isn’t a manufacturer of the adhesive itself; we focus exclusively on designing and manufacturing the physical delivery system-the cartridge, dispense nozzle,and application gun.The specific composition and chemistry of your formula is YOUR proprietary intellectual property. We don’t handle or formulate,as this isn’t a core competence of a cartridge manufacturer.90% of “private label adhesive” searches return the chemistry specialists — not your delivery system manufacturing OEM partner.

What is the minimum order quantity for custom cartridges?

Standard SKUs (private labeled catalog designs) have lower MOQ requirements for early- stage growth brands. Custom tooling requires the investment in a new mold for a specified production run volume and a 45-60-day mold design,and engineering validation process prior to production. We can provide free physical samples of standard SKU product for formula compatibility, and dispense evaluation, shipment is within 3-5 business days.

How do I know your cartridge is compatible with my dispensing gun system?

Visit our “compatibility checker tool” or input your existing dispense gun details (make/model).Our engineers analyze compatibility by comparing your guns specifications- bore size,plunger rod diameter, bypass pressure rating-to our cartridges within 24 hours to confirm suitable product pairings. Accurate dispensing depends upon a tight fit and correct alignment between dispensing gun, and cartridge -an often-overlooked parameter.

Can competitors access the same cartridge design as my brand?

Custom tooling is exclusive to your brand. If Ebestron builds you a new tool/mold, that exact mold design is only available for use with your company for your production orders.While any client can use one of our standard catalog design and Private Label it with their logo, there’s no custom design rights or proprietary ownership of those standard catalog physical forms.

What certifications do your adhesive cartridges carry?

Ebestron holds ISO 9001:2015 certification covering the full manufacturing process from material sourcing through finished-product inspection. All cartridges pass 100% pressure testing before shipment. Material compliance documentation, RoHS and REACH declarations, is available on request for formulations targeting EU or electronics markets. Additional chemical resistance testing against specialty adhesive systems can be arranged for regulatory purposes.

How long does production take from order confirmation to delivery at my door?

Standard SKU orders with private label printing run 5–10 business days from confirmed order. DDP delivery adds 3–12 working days depending on your destination country, ensuring your cartridges arrive duty-paid at your door. Custom tooling orders require 45–60 days for mold engineering before production begins. A confirmed production schedule with milestone dates is included in every order confirmation so you can plan your supply chain accurately.

Do you supply just the cartridge, or the complete dispensing system?

We also produce the dual-component cartridge, 12-element and 24-element static mixing nozzle, and manual/pneumatic dispensing gun so that the full kit can be tested together to ensure optimum compatibility. This means you don’t need to deal with 3 different suppliers or manage cross-supplier compatibility risk.