Cleaning Epoxy Residue from Dual Cartridges

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Dual cartridges are indispensable tools in dispensing epoxy adhesives, enabling precise and controlled application. However, ensuring their longevity and functionality requires proper care and maintenance, especially when dealing with epoxy residue. Here’s a step-by-step guide to effectively clean dual cartridges, preserving them for future use.

Dual Cartridges
Dual Cartridges

Gather Essential Materials

  • Safety Gear: Gloves, safety glasses, and a mask for protection.
  • Cleaning Solvent: Isopropyl alcohol or a recommended solvent for your epoxy.
  • Lint-Free Cloth or Paper Towels
  • Utility Knife or Scissors

Step-by-Step Cleaning Process

  1. Disassembly and Assessment

    Begin by separating the mixing nozzle from the dual cartridge assembly. Evaluate the extent of epoxy residue within the cartridge and nozzle.

  2. Initial Clean-Up

    Use a utility knife or scissors to carefully remove any excess or cured epoxy from the cartridge’s exterior and the nozzle’s attachment area. Take caution not to damage the cartridge.

  3. Solvent Application

    Dampen a lint-free cloth or paper towel with the cleaning solvent (like isopropyl alcohol). Gently wipe the exterior of the cartridge and the nozzle to eliminate remaining epoxy residue.

  4. Flushing (If Applicable)

    If the epoxy hasn’t completely cured, attempt flushing by attaching a new mixing nozzle and dispensing a small amount of epoxy to push out any residual material.

  5. Nozzle Replacement

    Should residue prove difficult to remove or if the nozzle is obstructed, it’s advisable to replace it with a new one for optimal dispensing performance.

  6. Proper Storage

    Store the cleaned cartridges and nozzles in a cool, dry place, ensuring a tight seal to prevent contamination or premature curing of the epoxy.

Essential Tips for Effective Cleaning

  • Timely Action: Clean cartridges promptly after use while the epoxy is still semi-liquid or not fully cured for easier removal.
  • Ventilation: Work in a well-ventilated area to mitigate exposure to cleaning solvents’ fumes.
  • Safety First: Always prioritize personal safety by wearing appropriate protective gear when handling chemicals or tools.


Preserving the functionality of dual cartridges involves meticulous care, especially in dealing with epoxy residue. By adhering to these cleaning steps and adopting proactive maintenance, you can extend the lifespan of these vital tools, ensuring precise and efficient epoxy dispensing in your future projects.

Always consult the epoxy manufacturer’s recommendations for specific cleaning instructions, as variations in epoxies may necessitate different cleaning methods or solvents for optimal residue removal.

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If you have any product or other information you need to know, you can email us through the contact form below or call us by phone.

Suzhou Baotailong Electronic Materials Co., Ltd.

Address: Room 1206,
Jinhe International Building,
No. 35 Shishan Road,
Huqiu District,
Suzhou, Jiangsu,

Tel: +8618706202541