Description
The Medmix MixCoat 1125ml empty 2:1 ratio spray cartridge is a refillable F-System component for the MixCoat 2-part spray coating system. Each cartridge ships empty with sealing pistons, plug, and a resealable cap, so you can fill, store, and apply two-part protective coatings on your own schedule. The 1125ml volume holds a 2:1 mix ratio and keeps the two components separated until they reach the mixer, which protects pot life and gives you consistent results from the first pull to the last.
This cartridge is built for spray application, not bead dispensing. Loaded into a MixCoat dispenser (manual DM or pneumatic DPD) and paired with a MixCoat spray nozzle, it atomizes the mixed material into an even spray pattern for protective 2-part coatings across larger surface areas. The polypropylene (PP) body with self-venting pistons handles industrial-grade two-component fluids and is silicone free.
Benefits
- Empty and refillable, so you control the fill material and batch size
- Includes sealing pistons, plug, and resealable cap for storage between jobs
- Maintains a precise 2:1 ratio for consistent cure and coating quality
- Standard F-System fit works with common MixCoat dispensers and spray nozzles
- PP construction, silicone free, suited to industrial two-part coatings
Common Applications
- Spray-applied 2-part protective coatings over metal, concrete, and prepared substrates
- Two-component urethanes, epoxies, and similar sprayable coating chemistries
- Field and shop coating work where larger surface coverage is needed
- Operations that prefer to fill cartridges from bulk material
Surface Prep and Use
Clean and prepare the surface per the coating manufacturer instructions before spraying. Fill the cartridge with your 2:1 material, install the sealing pistons, and load it into a MixCoat dispenser. Attach a fresh MixCoat spray nozzle, run a short test pass to confirm the spray pattern, then apply in even passes. Replace the nozzle if the material starts to set inside it. Cap and store the cartridge with the resealable cap when work is paused. Spray nozzles, dispensers, and other accessories are sold separately on our dispensers, mixers, and nozzles category page.
Ordering and Product Support
This cartridge is manufactured by Medmix (formerly Sulzer Mixpac). For details on the broader MixCoat system, visit medmix.swiss. Not sure which dispenser, nozzle, or ratio fits your coating, our team can help match the right setup. Call (800) 220-1966 or email [email protected] and we will point you to the correct components.







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