Description
Medmix 450ml J-System Empty 2:1 Ratio 2-Part Cartridges with Pistons & Sealing Caps (AJ 450-02-10-04) is an empty two-part cartridge system built for storing and dispensing 2:1 ratio two-component adhesives and sealants. Each cartridge ships with matching air-free pistons and a resealable cap, ready to fill, store, and dispense through a matching dispensing gun and static mixing nozzle. The 450ml total volume splits 300ml to 150ml across the two barrels for accurate 2:1 metering.
J-System Cartridge Benefits
- Holds the two adhesive components separate until you attach a static mixer, so material mixes only at the point of use.
- Air-free advanced diaphragm pistons reduce trapped air and waste during filling and dispensing.
- Resealable caps let you store partially used cartridges between jobs.
- Industrial-grade, silicone-free construction rated to 100 psi sustained pressure.
- Standard J-System format works with common bell-style and integrated-nut static mixers.
- Accurate 2:1 metering for two-component systems that need consistent ratio control.
Common Applications
- Repackaging bulk two-component epoxy, urethane, or acrylic adhesives into job-ready cartridges.
- Structural bonding in fabrication and assembly shops.
- Maintenance and repair work that calls for metered two-part material.
- Potting, sealing, and gap-filling with 2:1 ratio compounds.
- Field service kits where pre-filled, sealed cartridges travel to the job.
- Production lines dispensing adhesive through manual or pneumatic guns.
Surface Prep and Use
Fill each barrel with the correct component, insert the supplied sealing pistons, and cap the cartridge until use. When ready to dispense, remove the cap, twist on a matching static mixing nozzle, and load the cartridge into a compatible 2:1 dispensing gun. Run a short bead to purge until the material extrudes evenly before applying to the work surface. Mixing nozzles are generally single use because cured material is difficult to clear, so keep spare nozzles on hand for each cartridge.
These cartridges work with the 600ml dispenser infrastructure. Manual and pneumatic dispensers are available, and most accept this format with minor reconfiguration using common hand tools per the dispenser instructions. Confirm the correct ratio for your two-component system before ordering.
Ordering and Product Support
Pair these cartridges with the right gun and mixer from our dispensers, mixers and nozzles selection. Cartridges are manufactured by Medmix. For help matching cartridges, pistons, and mixers to your adhesive, call (800) 220-1966 or email [email protected].







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