APS

aps.jpgAir Pressure System

The Dispermat® can be converted into an efficient vertical bead mill. The grinding media and millbase are added in 50/50 ratio into the APS container. The milling impeller is rotated at a high speed to maximize the dispersing process. The millbase is easily separated from the grinding media by a sieve filter at the bottom of the APS container. Air pressure is applied to quickly evacuate the millbase.

The APS is easily moved to the side so the Dispermat® can still be used as a dissolver.


The APS can easily fit on most Dispermat® models.


■ High speed dissolver and vertical bead mill – two functions that make the Dispermat® a very economical and versatile instrument
■ Easy cleaning allows for rapid change of material
■ High material yield due to the pneumatic pressure system
■ Double wall containers for precise temperature control
■ Separation of millbase and beads by a sieve, integrated in the base of the container

The standard sieve size is 0.5 mm for bead diameters of 1.0 mm or greater. There are optional sieves of 0.1 mm for 0.3 mm beads and 0.2 mm sieve for 0.5 mm beads.

 

aps1.jpgThe milling process begins with adding 50% grinding media to 50% millbase. A pearl mill or disc impeller is used to circulate the beads at a rapid speed. The material is milled until the particle size reduction is achieved.

 

aps2.jpg

 

 

 

 

 

The grinding media is separated from the millbase by a sieve built into the bottom of the APS container. A stopper is removed from the bottom of the sieve. The shaft cover is lowered onto the APS container and secured by a clamp. A pressurized air line is attached to the cover. The air pressure forces the mill base through the sieve easily separating the material from the grind media.

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