3121 S Platte River Drive - Englewood, Colorado 80110
Tel 1.303.783.3172 - Fax 1.303.374.7342
Black Polypropylene

November 14, 2000

As tested and recorded, black polypropylene material used in Pozzetta PM300, PM400, PM500, & PM600 photomask boxes.

Six sample boxes, chosen at random from production run, were tested. The sample boxes were isolated using ceramic as the surface on which samples were laid. The surface resistivity reading was taken with the resistivity/resistence meter in direct contact with the sample. Static surface charge reading was taken with the static field meter at the pro-per, uniform distance above each sample as prescribed by the meter's indicator light.

Each sample was charged, after initial readings, by the identical pattern of passing a vinyl glove repeatedly over the sample, with the glove dragging across the sample. The static surface charge reading was rec-orded at intervals, after charging, immediately, 10 minutes, 20 minutes, and 90 minutes.

3121 S Platte River Drive - Englewood, Colorado   80110
Contact: sales@pozzetta.com

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