All purpose, universal membrane with maximum chemical compatibility for both aqueous solutions and aggressive solvents

• Maximum versatility. Filter aqueous solutions or aggressive chemicals.
• Low protein binding membrane gives high recovery of critical proteinaceous samples.
• HPLC certified. Provides assurance that the filter will not add artifacts to your analysis.

• Our No. 1 choice for filtering HPLC mobile phases.

Filter Media
Hydrophilic polypropylene

Pore Size
0.2 and 0.45 µm

Typical Thickness
0.2 µm: 101 µm (4.0 mils)
0.45 µm: 114 µm (4.5 mils)

Typical Water Flow Rate
mL/min/cm² at 0.7 bar (70 kPa, 10 psi)
0.2 µm: 20
0.45 µm: 31

Maximum Operating Temperature
55 °C (131 °F)

Minimum Bubble Point - Water
0.2 µm: 2.9 bar (290 kPa, 42 psi)
0.45 µm: 1.38 bar (138 kPa, 20 psi)

GH Polypro (GHP) Membrane is Virtually a Universal Membrane for All Applications

	Proteinaceous	General Aqueous	Non-aggressive Organic	Aggressive Organic
GHP	+ +	+ +	+ +	+ +
PTFE	-	-	+ +	+ +
PVDF	+ +	+ +	+	-
Nylon	+**	+ +	+	-

+ + Recommended    + Suitable    - Not Recommended
** Dependent on protein type and concentration.

Part Number	Description	Pkg	Price	Qty
GH Polypro (GHP) Membrane Disc Filters
60189	0.2 µm, 25 mm	100/pkg	101.14
66557	0.2 µm, 47 mm	100/pkg	143.42
66628	0.2 µm, 50 mm	100/pkg	157.88
66629	0.45 µm, 13 mm	100/pkg	101.14
66340	0.45 µm, 25 mm	100/pkg	101.14
66640	0.45 µm, 37 mm	100/pkg	134.21
66548	0.45 µm, 47 mm	100/pkg	143.42
66625	0.45 µm, 50 mm	100/pkg	157.88
66626	0.45 µm, 90 mm	100/pkg	328.90

Contact Customer Service at 800-521-1520 for possible lead-time and date item will be available to ship.