FILTER PAPER CIRCLES WHATMAN GRADE NO.4 11CM DIA BOX 100 Plastic Laboratory Boxes High temperature dry baths which

High temperature  dry baths which are pollution free and safer replacements for traditional oil and salt baths

Designed for the storage of powders

push-on closure

Manufactured in autoclavable polypropylene

conical centrifuge tubes from Thermo Scientific Nalgene® are graduated and autoclavable

FILTER PAPER CIRCLES WHATMAN GRADE NO.4 11CM DIA BOX 100 Plastic Laboratory Boxes High temperature dry baths whichQualitative 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.