Weighing paper, Nitrogen free, squares 4x4in. 500/pk, PK500

New packaging - convenient dispenser box stores and dispenses product easily for lab bench or shelf storage. Helps keep product free of debris and damage during use. ? This unique media is an analytical purity grade cellulose based paper designed for conveying powder or gelatinous paste samples to and from balances and instruments. ? The material has sufficient structural integrity to resist tearing during quadrant folding or enveloping. ? The surface is highly calendared (non treated gloss) to a smoothness which resists sample hold or moisture absorption. ? A surface texture designed to increase abrasion durability during spatula scraping. ? This media demonstrates excellent lot-to-lot reproducibility. ? Material chemistries are verified against a standard using GC techniques prior to paper making process. ? Other applications include; slip sheets between samples and slides, short term exposure as a moisture barrier, liners within containers, laminating backing for structural support. ? Proudly made in the USA Cytiva/Whatman Equivalent: 10347672 (500 per PK )