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Three new thickness gauges at K, including one for separator films

NDC Infrared Engineering Ltd. will launch three new thickness measurement gauges at the K (Stand 10/A01), including one for voided biaxially oriented polypropylene (BOPP) and micro-porous battery separator films. NDC says its FG710S NIR (near infrared) sensor is well established as the most effective means to measure the thickness of clear and pigmented BOPP films of single or multilayer compositions. The company says that in contrast to beta or x-ray sensors, its revised FG710S NIR sensor measures thickness, not mass, of voided film, resulting in flat film and rolls.

September 2, 2010

2 Min Read
Three new thickness gauges at K, including one for separator films

NDC Infrared Engineering Ltd. will launch three new thickness measurement gauges at the K (Stand 10/A01), including one for voided biaxially oriented polypropylene (BOPP) and micro-porous battery separator films. NDC says its FG710S NIR (near infrared) sensor is well established as the most effective means to measure the thickness of clear and pigmented BOPP films of single or multilayer compositions. The company says that in contrast to beta or x-ray sensors, its revised FG710S NIR sensor measures thickness, not mass, of voided film, resulting in flat film and rolls.

By applying what it calls unique optics and measurement algorithms, NDC says a single gauge can be used for all types of film, including polyethylene terephthalate (PET), polypropylene (PP), polyethylene (PE), polystyrene (PS), polyvinyl chloride (PVC), ethylene vinyl alcohol (EVOH), polyamide (PA), DuPont’s Surlyn, polymethyl methacrylate (PMMA), and more. The sensor can measure up to four different product constituents simultaneously, and compared to nucleonic-based gauges, NDC’s system doesn’t require re-standardization, source replacement, special scanner tolerancing, or sensor cooling/conditioning.

The new TFG710S-ER (extended range) film gauge has been specifically engineered to measure a wide range of polyolefin-based films on lines where multiple thickness ranges are produced. This versatile sensor’s patented design reportedly allows it to achieve a new level in on-line measurement speed, accuracy, and performance—even on films less than 2 microns thick. Unlike nucleonic alternatives, NDC says they are not affected by humidity, barometric pressure, gap temperature, or airborne dust.
 

Also on display will be the new OptiMike Shadow LED Sensor, which allows direct, single-sided thickness measurement of plastic sheet, foam, and rubber products. Unlike laser-triangulation gauges, it is no sensitive to surface characteristics, color, or porosity.

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