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Dual Cartridge Gun for Two-Part Adhesives

Dual Cartridge Gun for Two-Part Adhesives

Fixed-ratio dispensing of 2K adhesives and sealants from dual cartridges

Dual cartridge guns from this range are built for precise, fixed-ratio dispensing of two-component adhesives and sealants. Manual, pneumatic, and battery-powered configurations cover cartridges from 50 ml to 1500 ml, with mix ratios from 1:1 to 10:1. This makes the range suitable for two-part cartridge applications, available in two distinct types: side-by-side dual cartridge guns and coaxial cartridge guns, across structural bonding, encapsulation and maintenance work; buyers may also refer to this tool as a dual cartridge caulking gun or double caulk gun.

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200ml 1-1 Adhesive Applicator(2)
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Key Advantages of Dual Cartridge Guns

As part of Btektech’s industrial adhesive dispensing gun product range, dual cartridge guns provide synchronised, fixed-ratio material output from industry-standard dual cartridges. This range supports both small-volume and high-volume two-component adhesive applications.
  • Fixed Mechanical Synchronisation: Linked plunger rods advance Part A and Part B simultaneously through the double barrel cartridge structure. This mechanical coupling maintains the correct mix ratio throughout the cartridge cycle, from the first bead to the last, without manual adjustment or operator intervention.
  • Three Drive Options: Manual, pneumatic, and battery-powered configurations are available across the cartridge size range supported by each model tier. Manual dual cartridge guns suit low-to-medium volume work, occasional use, and field operations. Pneumatic and battery-powered models support production-line environments and high-cycle applications.
  • Wide Mix Ratio and Cartridge Compatibility: The dual cartridge gun range supports mix ratios from 1:1 up to 10:1 and standard cartridge sizes from 50 ml through 1500 ml. This allows buyers to match the correct gun configuration to different two-component adhesive packages, from compact epoxy cartridges to larger industrial sealant and bonding systems.
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Available Dual Cartridge Gun Configurations

Dual cartridge caulking guns are available in four drive configurations: manual small-volume (50–75 ml), manual large-volume (200–600 ml), battery-powered, and pneumatic. This product range includes two distinct types of dual cartridge guns: side-by-side dual cartridge guns for standard parallel cartridges, and coaxial cartridge guns for concentric cartridges. Each model is designated by cartridge volume and mix ratio. The tables below list the full standard range. For model-specific dimensions, plunger specifications, and compatible cartridge formats, contact the sales team or refer to individual model pages linked below. In procurement, these tools may also be described as double cartridge guns, double caulking guns, or double barrel caulk guns because they advance two cartridge pistons at the same fixed ratio.

Manual Dual Cartridge Gun (50–75ml Cartridges)

Item No. Ratio Color Body Plungers
FT50-11 1:1 Offwhite PP+PA Metal
FT50-12 2:1 Offwhite PP+PA Metal
FT50-14 1:4 Offwhite PP+PA Metal
FT50-101 10:1 Offwhite PP+PA Metal
FT75-101 10:1 Offwhite PP+PA Metal

Manual Dual Cartridge Gun (200–600ml Cartridges)

Item No. Ratio Color Material Driving Force
BTK200-11 1:1 Blue+Black Nylon Alloy 600Kgs
BTK200-21 2:1 Blue+Black Nylon Alloy 600Kgs
BTK250-101 10:1 Blue+Black Nylon Alloy 600Kgs
BTK360-51 5:1 Blue+Black Nylon Alloy 600Kgs
BTK375-41 4:1 Blue+Black Nylon Alloy 600Kgs
BTK380-101 10:1 Blue+Black Nylon Alloy 600Kgs
BTK385-31 3:1 Blue+Black Nylon Alloy 600Kgs
BTK390-31 3:1 Blue+Black Nylon Alloy 600Kgs
BTK400-11 1:1 Blue+Black Nylon Alloy 600Kgs
BTK400-21 2:1 Blue+Black Nylon Alloy 600Kgs
BTK450-21 2:1 Blue+Black Nylon Alloy 600Kgs
BTK490-101 10:1 Blue+Black Nylon Alloy 600Kgs
BTK585-31 3:1 Blue+Black Nylon Alloy 600Kgs
BTK600-11 1:1 Blue+Black Nylon Alloy 600Kgs

Battery-Powered Dual Cartridge Gun

Item No. Ratio Color Spec. Material
EGG400-11 1:1 Blue EGG400ml Metal+Plastic
BTK-EG02 1:1 Yellow BTK-EG200ml Metal+Plastic
BTK-EG03 3:1 Yellow BTK-EG400ml Metal+Plastic
BTK-EG04 3:1 Yellow BTK-EG585ml Metal+Plastic

Pneumatic Dual Cartridge Gun

Item No. Ratio Color Spec. Material
BTK-AG01 1:1 Black AG400ml Metal+Plastic
BTK-AG02 1:1 Black AG600ml Metal+Plastic
BTK-AG03 10:1 Black AG490ml Metal+Plastic
BTK-AG04 1:1 Blue+Black AG1500ml Metal+Plastic

How This Dual Cartridge Gun Fits Your Application

The table below compares the standard dual cartridge gun range by drive type, cartridge volume, mix ratio, material compatibility, and typical application. Use it as a quick screening guide before confirming the exact cartridge format, plunger ratio, nozzle interface, and adhesive viscosity with the sales team.

Parameter Manual Small-Volume Manual Large-Volume Battery-Powered Pneumatic
Drive type Manual trigger Manual trigger Battery motor Compressed air
Cartridge format Side-by-side dual cartridge Dual cartridge / coaxial cartridge Side-by-side dual cartridge Side-by-side dual cartridge
Cartridge volume 50 ml / 75 ml 200–600 ml 200 ml / 400 ml / 585 ml 400 ml / 490 ml / 600 ml / 1500 ml
Available mix ratios 1:1, 2:1, 4:1, 10:1 1:1, 2:1, 3:1, 4:1, 5:1, 10:1 1:1, 3:1 1:1, 10:1
Typical materials 2K epoxy, acrylic adhesive, AB glue 2K epoxy, PU adhesive, structural adhesive 2K epoxy, sealant, medium-viscosity adhesive High-viscosity 2K sealant, PU, filled epoxy
Typical applications Repair, field use, prototyping Assembly, bonding, maintenance Production, field installation Continuous production, high-thrust

How to Choose the Right Dual Cartridge Gun

  • Confirm Mix Ratio and Cartridge Structure: Dual cartridge guns must match both the mix ratio and the physical cartridge structure. Side-by-side dual cartridge guns are designed for standard parallel cartridges, suitable for 2K epoxy, PU adhesives, and structural bonding. Coaxial cartridge guns, including manual coaxial cartridge guns, are for concentric cartridges used in chemical anchor, injection mortar, or other two-component adhesive applications. Always verify cartridge type, adhesive type, and viscosity before selection.
  • Match Cartridge Volume and Throughput: Select the correct model tier based on cartridge volume. Compact 50–75 ml guns are for low-volume tasks, lab use, and field repairs. 200–600 ml dual cartridge dispensing guns suit continuous production bonding and structural assembly. For the largest volumes, pneumatic models support 400–1500 ml cartridges and provide the required thrust for high-viscosity adhesives.
  • Select Drive Type for Production Needs: Manual dual caulking guns are ideal for occasional or flexible work. Pneumatic and battery-powered models suit high-cycle production where consistent output is critical. Battery-powered options allow mobility without compressed air.
  • Account for Material Viscosity and Thrust: High-viscosity two-component epoxy, filled adhesives, and thick PU sealants require significant plunger force. Ensure the selected gun provides sufficient thrust to maintain stable output and proper mixing across the cartridge cycle.

Customization Options for Dual Cartridge Gun

Btektech supports custom dual cartridge gun projects when standard models do not match your cartridge format, drive type, thrust requirement, or branding needs. Customization ensures ergonomic handling, volumetric accuracy, and seamless integration with specific cartridges or mixing tips across diverse industrial dispensing applications.

OEM Manufacturing

OEM Manufacturing

OEM Manufacturing: Execute mass production precisely adhering to your drawings and material, ensuring dimensional conformity and tolerance control.

ODM Development

ODM Development

ODM Development: Design new cartridge structures and develop new models according to your specific application requirements.

Interface & Integration

Interface & Integration

Interface & Integration: Customize battery capacity, cartridge size, and regional plug types (EU, US, AU, etc.).

Private Label Options

Private Label Options

Private Label Options: Personalize your product with engraved logos, custom colors, and tailored packaging to strengthen market presence.

Excellent Performance in Industrial Applications

Dual cartridge guns are used wherever two-component adhesive materials require precise, repeatable dispensing. The three application segments below represent the primary industrial uses.

Structural Bonding and Assembly of Dual Cartridge Gun

Structural Bonding and Assembly

In composite panel bonding, load-bearing bracket assembly, and structural sealing, ratio accuracy is a basic requirement. A dual cartridge gun for structural adhesive must maintain consistent output throughout the full cartridge cycle, any deviation produces weak joints. The linked plunger mechanism ensures both components advance at the correct volume throughout the shot. For structural bonding work involving epoxy resins and two-component PU, a double barrel epoxy gun with appropriate cartridge volume and nozzle format is the standard tool choice.

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Electronics and Encapsulation of Dual Cartridge Gun

Electronics Encapsulation and Potting

Dual cartridge guns for electronics encapsulation require consistent, void-free output. A compact dual cartridge epoxy gun, such as the 50 ml manual range, is common in low-to-medium volume production runs for circuit board potting, connector sealing, and sensor protection. The synchronised plunger system ensures that fast-setting two-component epoxy resins are driven into the static mixing nozzle at the correct volume ratio, reducing the risk of incomplete cure in sensitive electronic assemblies. A double barrel epoxy caulking gun with a compatible mixing nozzle is the recommended configuration for this application.

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Maintenance, Infrastructure and Validation of Dual Cartridge Gun

Maintenance, Infrastructure Repair, and Chemical Anchoring

For on-site maintenance, structural repair, and chemical anchoring applications, a heavy-duty two part adhesive gun needs to drive high-viscosity, filled resins into deep substrate interfaces. The larger manual range and pneumatic models, including the AG1500 ml pneumatic configuration, provide the thrust required for dense two-component formulations used in chemical anchor installation and structural repair. A two part epoxy dispenser used in infrastructure work must handle repeated-use cycles without plunger drift or ratio deviation.

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Frequently Asked Questions About Dual Cartridge Gun

What is a dual cartridge gun used for?

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A dual cartridge gun is used to dispense two-component adhesives and sealants from dual cartridges at a fixed mix ratio. Common applications include structural bonding, electronics encapsulation, chemical anchoring, repair work, and industrial sealing where 2K adhesives require simultaneous dispensing of Part A and Part B. The gun’s linked plunger system ensures both components advance at the correct ratio through a static mixing nozzle.

What is the difference between side-by-side dual cartridge guns and coaxial cartridge guns?

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What is the difference between a dual cartridge gun and a double caulk gun?

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How does a dual cartridge gun work?

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What mix ratios are available?

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How do I match a static mixing nozzle to a dual cartridge gun?

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Can a manual dual cartridge gun handle high-viscosity epoxy resins?

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Which dual cartridge gun should I choose for chemical anchor or injection mortar applications?

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Are dual cartridge guns suitable for continuous production lines?

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What should I verify when sourcing dual cartridge guns in bulk?

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Learn More About Dual Cartridge Gun

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