easter paper plates
Paper Plates Manufacturers, Wholesale Paper Plates, Disposable Party Plate Suppliers , www.paperplatemanufacturers.com
rters from Weihai Commodity Market and the supermarket to buy four different brands of paper plate, conducted a simple experiment. paper plate experiment a HUGE problem: print pattern difficult to reach a new standard reporter purchased four different brands of 50 loaded paper plate, priced at 3 yuan, 5 yuan, 6.5 yuan, 7 yuan, according to prices from low High numbers experiment. Were measured with a ruler from the cup, bottom of the cup distance to the nearest printing pattern No. 1 paper plate up and down the distance between 16mm; ?2 paper plate Bianshen pattern; ?3 paper plate on poly cup 4mm, down to the bottom of the cup are pattern; under ?4 paper plate to bottom of the cup 6 mm distance, from the cup Bianshen pattern. It is understood that the "new national standard" paper plate pattern prescribed distance, is to prevent the printing pattern in the ink is ingested by the body, causing damage to the body. From the experiments it seems, sampling of four kinds of paper plate only one to reach the "new national standard" requirement. Experiment two: UV light exposure so that "borrow" paper plate whether or not containing |
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