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[QL04] Slow qualitative filters

Reference: QL04

Slow filtration qualitative filter paper

Weight (g/m2) DIN 53104	Thickness (mm)	Pore size (μm)	Filtration speed (sec) DIN 53137	Burst strength (kg/cm2)
80	0.16	4-7	100	>20

// WHATMAN : 6

Sort	Minimum size	Maximum size	Code example
F	46x57 cm	58x58 cm	QL04F4657 (sheet of qualitative paper, grade QL04 size 46x47 cm)
A	ø 45 mm	ø 320 mm	QL04A0240 (plain disc of qualitative filter, grade QL04, diameter 240 mm)
P	ø 70 mm	ø 320 mm	QL04P0320 (folded disc of qualitative filter, grade QL04, diameter 320 mm)

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