Stainless Steel Storage Dishes - Many laboratories store filters in glass Petri dishes. While such a practice may seem convenient, it can actually have an adverse affect on weighing results. While PTFE is one of the most electronegative materials on the Triboelectric scale, glass is electropositive. The result is a transfer of electrons to the PTFE, causing electrostatic charge problems. MTL has developed a stainless steel storage dish for use in the laboratory to minimize such problems. The dishes have a slot cut into the side to allow for environmental equilibration and to enable a pair of tweezers to easily reach the filter. The dishes are cleanable and stackable, allowing a laboratory to use space more effectively.
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