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Whatman Technical Specifications

Technical Properties - Polycap AS

Housing Polypropylene
Vent

On inlet

Prefilter Glass microfiber double laminated with polyolefin monofilament non-woven
Membrane Nylon
Support system Polypropylene
Sealing Heat-fused
Maximum pressure 4.1 bar (60 psi)
Endotoxin level L LAL tested, ≤ 0.5 EU/ml
Biosafety Materials pass USP Class VI
Sterilization Certain filter devices have been sterilized.
* Capsules may be autoclaved at 121°C for 20 minutes (maximum 132°C). However, an integrity test should be performed after autoclaving. Filling bell is not autoaclavable but is detachable (*sterile and nonsterile options offered)
Filtration area 36 mm capsule: 400 cm2 (62 in2)
75 mm capsule: 820 cm2 (127 in2)
150 mm capsule: 1650 cm2 (256 in2)

SSB - Stepped barb for 6 to 10 mm (1/4 to 3/8") tubing
1/2 SB - Stepped barb for 10 to 12 mm (3/8 to 1/2") tubing
MNPT - Male national pipe thread
FNPT - Female national pipe thread
HB - Hose barb

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Technical Properties - Polycap HD
Housing Polypropylene
Vent On inlet 
Filter media Polypropylene 
Support system Polypropylene 
Biosafety Materials pass USP Class VI
Filtration area 36 mm capsule: 400 cm2 (62 in2)
75 mm capsule: 820 cm2 (127 in2)
150 mm capsule: 1650 cm2 (256 in2)
Sterilization Capsules autoclavable at 121°C for 20 minutes (maximum temperature is 132°C)
Maximum pressure  
SSB - Stepped barb for 6 to 10 mm (1/4 to 3/8") tubing
1/2 SB - Stepped barb for 10 to 12 mm (3/8 to 1/2") tubing
MNPT - Male national pipe thread
FNPT - Female national pipe thread
HB - Hose barb

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Technical Properties - Polycap SPF
Housing Polypropylene
Vent On inlet
Pre-filter Two layers of glass microfiber
Membrane Polyethersulfone (PES)
Support system Polypropylene
Sealing Heat-fused
>Maximum pressure 4.1 bar (60 psi)
Sterilization Autoclave at 121°C for 20 minutes (132°C max)
Filtration area 36 mm capsule: 260 cm2 (40 in2)
75 mm capsule: 535 cm2 (83 in2)
150 mm capsule: 1100 cm2 (170 in2)
SSB - Stepped barb for 6 to 10 mm (1/4 to 3/8") tubing
HB - Hose barb

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Technical Properties - Polycap TF
Housing Polypropylene
Membrane PTFE
Vent On inlet
Support system Polypropylene
Sealing Heat-fused
Maximum pressure 4.1 bar (60 psi)
Flow direction Supported bidirectionally. Certain applications may require orientation, i.e., vents. Reverse flow only for low pressure applications.
Biosafety Materials pass USP Class VI
Sterilization May be autoclaved at 121°C for 20 minutes (maximum 132°C).
Multiple autoclave cycles are possible. However, the responsibility for reuse is with the operator.
The device should be protected from cross contamination. An integrity test should be performed after autoclaving.
Compatible with EtO sterilization
Filtration area 36 mm capsule: 500 cm2 (77 in2)
75 mm capsule: 1000 cm2 (155 in2)
150 mm capsule: 2000 cm2 (310 in2)
IPA bubble point 0.05 µm membrane: >  2.4 bar (35 psi)
0.1 µm membrane: >  1.7 bar (25 psi)
0.2 µm membrane: >  0.9 bar (13 psi)
0.45 µm membrane: >  0.5 bar (7 psi)
1.0 µm membrane: >  0.2 bar (3 psi)
SB - Stepped barb for 6 to 10 mm (1/4 to 3/8") tubing
1/2 SB - Stepped barb for 10 to 12 mm (3/8 to 1/2") tubing
MNPT - Male national pipe thread
FNPT - Female national pipe thread
HB - Hose barb

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Technical Properties - PolyVENT and SteriVENT
Housing Polypropylene
Filter media PTFE (polytetrafluoroethylene)
Pore size 0.2 µm
Vent On inlet
Support system Polypropylene
Sealing Heat-fused
Maximum pressure 2 bar (29 psi) – forward direction
Water break through test 2 bar (29 psi)/15 seconds
Flow direction Bidirectional
Biosafety Materials pass USP Class VI
Sterilization Can be autoclaved at 121°C for 20 minutes (maximum 132°C). Multiple autoclave cycles are possible. However, the responsibility for reuse is with the operator. The device should be protected from cross contamination. An integrity test should be performed after autoclaving. Compatible with EtO sterilization.
Non-pyrogenic LAL total, non-reactive
 Filtration area 36 mm capsule: 500 cm2
75 mm capsule: 1000 cm2
150 mm capsule: 2000 cm2
50 mm disc: 16 cm2
25 mm disc: 4 cm2

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Typical Data - Polydisc AS
Description Pore size (µm) Water flow rate* ml/min @
0.7 bar (10 psi)
Polydisc AS 0.2 (GMF/PES) 150
Polydisc AS 0.45 (GMF/PES) 225
Polydisc AS 1.0 (GMF/Nylon) 625

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Typical Data - Polydisc SPF
Description >Pore size (µm) Water flow rate*
ml/min 1.0 bar (14.5 psi)
Polydisc SPF 1 500
* Liquid rating.  Retention efficiency in gas streams in significantly higher

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