Description
MR 50 dispenser is a COX manual two-component cartridge gun for 50 mL square-back R-flange packs in 1:1 and 2:1 mix ratios. It gives technicians a compact hand tool for small adhesive, sealant, and repair jobs without compressed air.
MR 50 dispenser Benefits
- Manual drive works on benches, trucks, and field kits where air supply is not available.
- 50 mL cartridge capacity suits small repairs, prototypes, and lower-volume assemblies.
- R-flange square-back setup keeps the cartridge aligned during two-part dispensing.
- Low and medium viscosity rating fits many epoxy, acrylic, urethane, and silicone cartridge materials.
- Lightweight frame helps reduce hand fatigue during short beads and dot placement.
Use this tool when the material is packaged in the correct 50 mL cartridge style and the static mixer has been matched to the adhesive ratio. Keep spare mixers with the gun so a cured nozzle does not stop the job.
MR 50 dispenser Applications
- Dispensing 50 mL two-part adhesives from square-back cartridges.
- Prototype bonding, field repair, and small assembly work.
- Countertop, sign, marine, electronics, and maintenance applications.
- Shop kits that need a simple manual gun for occasional adhesive use.
- Ratio-specific material programs using 1:1 or 2:1 packs.
Setup and Use
Confirm cartridge style, mix ratio, plunger position, and mixer connection before loading. Seat the cartridge squarely, install the mixer, then advance the plungers until both sides flow evenly.
Purge a small amount before applying material to the part. Replace the mixer after the adhesive working time expires or when flow becomes uneven. Do not force the trigger against a cured mixer.
Technical Details and Documentation
COX lists the MR 50 family with 50 mL cartridge capacity, multiple ratio support, 2.5 kN maximum thrust, 12:1 mechanical advantage, and low to medium viscosity use. Review current product information from COX Dispensers before standardizing a tool setup.
Ordering Help
For related mixers, tips, and cartridge guns, browse Chemical Concepts dispensers, mixers, and nozzles. For help matching cartridge style, ratio, and mixer geometry, call (800) 220-1966 or email [email protected].







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