The AR4242 Mixing Chamber for the Graco Fusion AP gun is the ideal mixing chamber for residential and commercial spray foam insulation applications.  This chamber produces an average of 10-15 pounds per minute of material output and flow.  Flow depends on the materials being sprayed as well as temperature and pressure settings.

The AR4242 consists of two orifices that are .042 in size.  Drill bits used to clean the mixing chamber are listed below.

DRILL BITS FOR THE MIXING CHAMBER

246627

246629

The round mix chamber inside of the Fusion AP Gun provides a wide range of applications.  Please see below for information regarding applications that are suitable for the chamber.

COMMON USES FOR THE FUSION AP WITH THE .042 ROUND MIX CHAMBER

Spray Foam Insulation

Spray Foam Roofing

Polyurea

Concrete Lifting