The Boss MFG 6/12K Proportioner is a high-performance spray foam machine designed for efficiency, reliability, and versatility. Featuring dual heating blocks for ISO and Resin, it provides extra heating elements for colder climates, ensuring consistent material flow. With a powerful air-driven 6” motor and a maximum working pressure of 3,000 psi, it delivers higher pressure output than the 5” series. Built for easy operation and maintenance, this proportioner is ideal for polyurethane or polyurea foam, bed liners, sealants, slab jacking, and more.

Key Features:

• Dual heating blocks for ISO and Resin to enhance performance in cold climates
• Simple 240V single-phase system with breaker and relay design for easy repairs
• Larger heating elements for faster material heating than competitive machines
• Designed for spraying polyurethane or polyurea foam, bed liners, sealants, slab jacking, etc.
• 3,000 psi maximum working pressure
• Air-driven with a 6" motor for higher pressure output than the 5" series
• Easily serviceable components to minimize downtime
• Easy power-on and power-off functionality
• Digital heating controls for precise temperature management
• Hose heat transformer supports up to 400 feet of hose