Loresco type SWK has particle sizes ranging from 0.1
to 12 mm. SWK is heavy and sinks readily in water or light
mud. It can be installed by pouring around the anodes, and
tamping is not necessary.
The particles of SWK
exhibit a hard, round shape and are composed of almost
solid carbon. The bulk density of SWK is seventy pounds
per cubic foot, and the porosity is forty-four percent.
SWK is a product designed specifically for use around
anodes in the earth.
Its low resistivity enables
intimate anode contact and assures that most electrolytic
discharge will occur at the backfill periphery. According
to EPA-approved leachate tests, SWK meets all purity
requirements for materials utilized in burial.
