Manual Structural Adhesive Gun
Manual Structural Adhesive Gun for Controlled 2K Adhesive Dispensing
A manual dual-component adhesive applicator engineered for precise, high-viscosity dispensing of two-part epoxies, acrylics, methyl methacrylates (MMAs), polyurethanes (PUs), and specialty chemical anchor formulations.
Our manual 2K dispensing systems utilize a heavy-duty, twin-drive mechanical plunger mechanism to extract Part A and Part B materials simultaneously in exact volumetric ratios. Dispensed components are driven through a compatible static mixing nozzle, achieving a homogeneous mix without requiring external compressed air lines or electric power.
System Compatibility Notice: Dual-component applicators must be matched to cartridge geometry, fluid viscosity, and volumetric mix ratio (1:1, 2:1, 4:1, or 10:1). Mismatched plungers cause ratio drift, incomplete chemical reaction, and bond failure.
Quick Model Selection
|
Model Series |
Cartridge Volume |
Supported Mix Ratios |
Thrust Ratio |
Primary Adhesive Compatibility |
|
Compact 2K Series |
50 ml / 75 ml |
1:1 / 2:1 / 4:1 / 10:1 |
12:1 – 18:1 |
Low-to-medium viscosity epoxies & acrylics |
|
Standard Industrial Series |
200 ml / 400 ml |
1:1 / 2:1 |
18:1 – 26:1 |
General structural assembly, PU & MMA resins |
|
High-Thrust Structural Series |
200 ml / 400 ml / 490 ml |
4:1 / 10:1 |
26:1 – 35:1 |
High-viscosity MMAs & heavy structural epoxies |
|
High-Volume Field Series |
600 ml / 1500 ml |
1:1 / 2:1 |
26:1 – 35:1 |
Infrastructure, civil anchors & large-panel bonding |
|
Multi-Ratio OEM Conversion |
50 ml – 400 ml |
Convertible (Interchangeable) |
Configurable |
Private-label systems & multi-adhesive lines |
A Manual 2K Structural Adhesive Gun is a mechanical handheld applicator designed for side-by-side or coaxial dual-cartridge dispensing.
Unlike single-component caulking tools, dual-cartridge applicators drive two independent pistons simultaneously. As Part A and Part B exit the cartridge neck, they enter a static mixing nozzle where helical internal elements fold and shear the fluid streams into a uniform reactive mixture.
Standard Operating Sequence
Select Matching Plunger -> Load Dual Cartridge -> Equalize Cartridge Outlet -> Attach Static Mixer -> Trigger Dispense -> Homogeneous Application -> Bond Substrates
The applicator does not alter chemical bond performance; its purpose is to deliver exact volumetric ratios and steady fluid displacement under manual trigger force.
Technical Specifications
|
Property |
Industrial Specification Rating |
|
Product Category |
Manual Dual-Component (2K) Structural Applicator |
|
Drive Mechanism |
Synchronized Twin-Drive Rods / Dual Rack Pushers |
|
Compatible Cartridge Formats |
Side-by-Side (A-System, B-System, C-System, F-System) |
|
Cartridge Volumes |
50 ml, 75 ml, 200 ml, 400 ml, 490 ml, 600 ml |
|
Volumetric Mix Ratios |
1:1, 2:1, 4:1, 10:1 (Interchangeable plunger options) |
|
Mechanical Thrust Ratios |
12:1, 18:1, 26:1, 35:1 |
|
Frame / Stock Material |
Heat-Treated Alloy / Reinforced Engineering Nylon |
|
Plunger Disc Material |
Wear-Resistant Polyoxymethylene (POM) / Steel |
|
Wear Compensation |
Adjustable catch-plate / hardened wear mechanism |
|
External Utilities |
None (100% Hand-operated, zero pneumatic/electric power) |
|
Certifications & Standards |
ISO 9001 factory standard / REACH & RoHS compliant hardware |
Key Engineering Features
Synchronized Dual-Drive Mechanism
Unequal displacement of Part A and Part B leads to uncured resin pockets and joint failure. Our dual-drive rods lock both cartridge pistons into parallel advancement, maintaining exact ratio delivery across varying component viscosities.
When dispensing 10:1 ratio MMAs or high-viscosity epoxies, component viscosity differential (Part A vs. Part B) can create uneven back-pressure. Always select an applicator with a minimum 26:1 thrust ratio and hardened steel drive plates to prevent frame flex during fast manual strokes.
Mechanical Advantage & Thrust Ratio Options
18:1 Thrust Ratio: Designed for standard 1:1 and 2:1 adhesives under 50,000 cPs viscosity.
26:1 Thrust Ratio: Ideal for medium-to-high viscosity structural acrylics and cold-weather field applications.
35:1 High-Thrust Ratio: Optimized for high-thixotropy paste adhesives and 10:1 ratio formulations requiring maximum extrusion force.
Interchangeable Ratio Plungers
Modular plunger discs allow a single gun frame to support multiple cartridge ratios. Swapping the drive discs converts the tool from a 1:1 setup to 2:1, 4:1, or 10:1 in under one minute, minimizing tool inventory for assembly facilities.
Compatible Structural Adhesive Chemistries
Two-Part Epoxies: High shear and peel strength for metal-to-metal, composite, and concrete bonding.
Methyl Methacrylates (MMAs): Rapid cure speed and high impact resistance for thermoplastic, FRP, and aluminum assembly without primers.
Structural Polyurethanes (PUs): Excellent flexibility and fatigue resistance for automotive panels, composite structures, and bus/rail trim.
Two-Part Silicones & MS Polymers: Flexible structural glazing, elastomeric sealing, and electronic potting modules.
Industrial Applications
3c electronics
Automotive & Commercial Vehicles: Truck cab panel bonding, roof skin attachment, composite reinforcement, and bracket mounting.
semiconductor
Signage & Architectural Display: Channel letter assembly, aluminum composite panel (ACP) joining, and hidden fastener frame bonding.
new energy vehicle
Marine & Aerospace Composite Bonding: Hull-to-deck joining, bulkhead installation, carbon fiber laminate bonding, and core repair.
General Metal Fabrication & Civil Engineering
Structural steel framing, cabinet seam sealing, chemical anchor stud insertion, and maintenance repair operations.
Step-by-Step Operating & Setup Protocol
Phase 1: Cartridge Equalization (Crucial Step)
Verify Ratio: Confirm that the installed plunger disc geometry matches the cartridge ratio labeled (1:1, 2:1, 4:1, or 10:1).
Load Cartridge: Insert the dual cartridge into the front carriage cradle until fully seated.
Equalize Flow: Before attaching the static mixer, squeeze the trigger to extrude a small amount of material from both cartridge ports until both Part A and Part B flow evenly. This eliminates trapped air pockets and restores volumetric alignment.
Phase 2: Dispensing & Joint Application
Attach Static Mixer: Thread or twist-lock the recommended static mixer onto the cartridge manifold.
Purge Initial Bead: Dispense a small test bead (approx. the length of the mixer) until the fluid shows a uniform color and consistency.
Dispense Bead: Hold the tip at a 45-degree angle to the joint path and pull the trigger with smooth, continuous pressure.
Join & Clamp: Assemble components within the adhesive's published working time (open time).
Post-Dispense Maintenance: Relieve drive rod pressure via the thumb release plate to prevent unmixed adhesive drool from contaminating the mixer interface.
OEM / Private-Label Customization Services
We supply branded dispensing hardware for adhesive manufacturers, industrial distributors, and private-label equipment suppliers:
Custom Color Matching
Powder-coated steel frames and molded nylon handles matched to your brand's RAL color code.
Brand Identification
Permanent silk-screened logos, laser-engraved steel housings, and customized serial tags.
Conversion Kit Bundles
Custom-packaged kits containing a universal gun body, multiple ratio plungers (1:1, 2:1, 4:1, 10:1), and static mixers.
Specialized Packaging
Private-label retail display boxes, industrial master cartons, and custom foam-lined kit cases.
Technical Documentation & Quality Assurance
To support procurement compliance and quality control audits, we supply:
Factory Quality Inspection Reports (Plunger stroke alignment, force threshold testing, frame load limits).
Material Declaration Statements (REACH, RoHS, Conflict Minerals).
Technical Drawings (PDF/STEP models for custom fixture integration).
Spare Parts & Wear Component Schematics.
FAQ
Request Technical Specifications & OEM Pricing
Select the correct 2K dispensing tool engineered around your specific cartridge geometry and adhesive chemistry. Contact our engineering sales team with your project requirements:
Cartridge volume, manufacturer style, and mix ratio
Adhesive chemistry and viscosity specifications
Estimated monthly or annual order volume
Private-label branding and packaging specifications
[Download 2K Cartridge & Plunger Compatibility Matrix (PDF)]
[Get Custom OEM Quote & Bulk MOQ Breakdown]
We are one of the most professional manual structural adhesive gun manufacturers in China, featured by quality products and good service. Please rest assured to wholesale high-grade manual structural adhesive gun in stock here and get pricelist from our factory. We also accept customized orders.
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