Description
Medmix 50ml Empty 1:1 Ratio 2-Part Cartridges with EPDM O-Ring (AA 050-01-10-34) are A-System (Square-Back) dual-barrel cartridges fitted with Medmix Airfree pistons and EPDM O-rings. Use them where the lip-seal version (AA 050-01-10-33) is not the right fit and an O-ring seal is preferred. EPDM gives broad chemical resistance across water-based formulations, polar solvents, and many adhesive chemistries.
Choose between an individual cartridge, a 1250-pack case for production runs, or a 7500-pack pallet for high-volume contract filling.
AA 050-01-10-34 Benefits
- EPDM O-ring delivers broad chemical resistance for water-based, polar-solvent, and many adhesive chemistries
- Airfree pistons require a one-time insertion tool, then seat consistently for a clean, repeatable shot
- Industry-standard A-System (Square-Back) flange fits standard 50ml manual and pneumatic dispensers
- 1:1 dual-barrel design keeps Part A and Part B separated until a static mixer engages
- Industrial-grade silicone-free construction holds up to most resin chemistries
- Compatible with Medmix MFQX, MAQ, and Quadro/Helix 50ml mixing nozzles
Common Applications
- Repackaging two-part epoxies, urethanes, and structural acrylics into single-shot cartridges
- Contract filling operations running 1:1 chemistries that need EPDM compatibility
- OEM cartridge supply for in-house formulated adhesives
- Private-label cartridge programs
- Field repair kit programs needing a long-shelf-life O-ring seal
- R&D and short-run production of new two-part formulations
Filling and Use
Pour Part A into one barrel and Part B into the other, then insert the Airfree pistons using a 50ml piston insertion tool. The Airfree design lets trapped air escape during insertion and seats the EPDM O-ring against the resin. Cap the cartridge for storage. To dispense, remove the cap, attach a Quadro or Helix static mixer, load into a 1:1 manual or pneumatic dispenser, and apply.
How This Compares to AA 050-01-10-33
The AA 050-01-10-33 uses self-venting lip seal pistons with no separate O-ring. This AA 050-01-10-34 uses Airfree pistons plus an EPDM O-ring for chemistries that benefit from a more positive seal. If you need silicone O-rings instead of EPDM, ask about the B-System AB 050-01-10-35.
Cartridge Specifications
- Total volume: 50ml (1.7oz), both barrels combined
- Mix ratio: 1:1 by volume
- Cartridge length: 4 5/8 in. (cap to base)
- Barrel length: 3 13/16 in.
- Total width: 1 7/8 in.
- Barrel inner diameter: 0.75 in.
- Compatible mixer styles: Bayonet 50ml, Helix, Quadro/Square
- Piston type: Airfree (tool insertion required)
- O-ring material: EPDM
Ordering and Product Support
Browse related items in Dispensers, Mixers & Nozzles, including matching static mixers and 50ml manual dispensers. Manufacturer information is available at Medmix.
For help matching a cartridge or O-ring chemistry to your fill volume, call (800) 220-1966 or email [email protected].







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