purge

These types of purge rely on higher viscosity, additives, and inorganic minerals to clean the barrel.

The on-site destruction company typically does 20 purge jobs per month, with a current income mix of approximately 45 percent route customers and 55 percent purges, according to Bob Leventhal, a co-owner of the firm.

Yezhov headed the secret police between 1936 and 1938 at the peak of dictator Josef Stalin's "Great Terror" purges. The scale of repression was so great that the period was named "Yezhovshina" after him.

This election purges the PFIC taint by recognizing gain, and paying tax and interest under the PFIC rules, as though the shares were sold at fair market value (FMV) on the first day of the PFIC's tax year for which the shareholder also makes a QEF election.

Using the correct grade for extrusion purges is critical because a CPC with fillers can have stiffening properties, causing the CPC to be more difficult to remove.

Greg Johnson, injection mold/production supervisor at Mahle's Murfreesboro, Tenn., plant (photo) was looking for a safer way to handle hot PP and nylon purges from 57 injection machines of 220 to 1000 tons.

France considered that product quite effective, but when their Dyna-Purge representative gave them a sample for testing of the new Dyna-Purge D2 launched last year, France reports "it cut our post purge costs and downtime in half"

For cleaning low-pressure areas like extrusion dies, try chemical purges.

Aside from the energy cost for grinding, the greater cost lies in the ineffectiveness of regrind to purge and clean a machine.

It has also been proven that CPCs are generally more effective in removing color or carbon contamination than using plain resin, regrind, or home-made purges. This applies to hot runners as well.

Chemical agents in pellet form cost $3 to $6/lb, which is 60% to 70% more than mechanical purges. "But you only use one-fifth as much per purge as you would with a mechanical agent," says Barbara Giaquinto, sales manager of RapidPurge Corp., which makes a chemical agent.

Two CPC purges of this nature are frequently needed to get optimal results.

They provide cleaning performance equal to thatof semi-meltable or chemical purges but without the drawbacks (odor, abrasiveness, hold-up time etc.), according to marketing coordinator Jack Spielberg.