FILTER PAPER CIRCLES WHATMAN GRADE NO.4 4.25CM DIA BOX 100

Manufacturers Code: 1004-042

£10.67

inc. VAT

£8.89

ex. VAT

Qty.

Qualitative 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.