FILTER PAPER CIRCLES WHATMAN GRADE NO.4 9CM DIA BOX 100 Weight Sets UKAS Certificate values and windchill calculation

values and windchill calculation

Bottle diameter x height 227 x 414mm

external dimensions: 271 x 332 x 170mm W x D x H

RC400G  and RC1400G  can be used as heated circulators

These baths require a clean air supply at a pressure of 21KN/m2  (3psi) and maximum flow of 57 litres/minute

FILTER PAPER CIRCLES WHATMAN GRADE NO.4 9CM DIA BOX 100 Weight Sets UKAS Certificate values and windchill calculationQualitative Grade Grade No. Flowrate Retention microns Wet strength Thickness, mm Ash % 4 Excellent retention of coarse and gelatinous precipitates Fast 20 25 Low* 0. 21 0. 06 *Suitable for gravity or low suction filtration. Care must be taken to prevent rupture of the paper.