Heavy, abrasive aggregates (foreground) will be added from self-dumping hoppers to the Munson HD-48-SS ribbon blender (background).
Operator adds pre-weighed aggregates from self-dumping hopper to the Munson HD-48-SS ribbon blender.
50 lb (23 kg) bags of pigments and fillers are added through the blender's safety grate.
Tight clearance between ribbon blades and blender trough minimizes residual material after discharge. The double helical ribbon agitator blends rapidly.
An air purge seal between the shaft and the blender wall drives abrasive particles away from the seal, preventing premature wear and leakage.
At the top of the 750 gal (2839 liter) capacity ribbon blender, negative-pressure dust collectors pull dust into a bag house as the blender fills 5 gal (19 liter) pails of exterior coatings products.
Heavy duty blended topcoats, typically comprised 75% of solids, are discharged into 5 gal (19 liter) pails.
Master Wall exterior coatings products await shipment to customers in the western U.S.
Master Wall’s original two-speed propeller type blade mixer produced only three 5 gal (19 liter) pails of stucco per batch.