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Sartorius™ Glass Fiber (GF) Pre-filters

Use as a depth filter for larger totally filterable volumes. Sartorius™ Glass Fiber (GF) Pre-filters are made of borosilicate glass microfibers and are ideal for use as a pre-filter in clarification and sterile filtration. Available in a range of filter disc diameters.

$75.00 - $310.00

Specifications

Autoclavable Yes
Color White
Material Borosilicate Microfiber Glass
Format Filter Disc
Thickness (Metric) 550μm
View More Specs
Products
Catalog Number Mfr. No. Diameter (Metric) Outside Price Quantity    

14-555-436

 
sartorius™
13400-100------K
10cm Pack of 50 Each for $75.00

14-555-438

 
sartorius™
13400-127------K
12.7cm Pack of 50 Each for $104.00

14-555-437

 
sartorius™
13400-124------K
12.4cm Pack of 50 Each for $104.00

14-555-439

 
sartorius™
13400-130------K
13cm Pack of 50 Each for $104.00

14-555-440

 
sartorius™
13400--13------S
1.3cm Pack of 200 Each for $101.00

14-555-445

 
sartorius™
13400--49-49---K
4.9cm Pack of 50 Each for $141.00

14-555-442

 
sartorius™
13400--42-42---K
4.2cm Pack of 50 Each for $114.00

14-555-444

 
sartorius™
13400--47------Q
4.7cm Pack of 500 Each for $175.00

14-555-443

 
sartorius™
13400--42------Q
4.2cm Pack of 500 Each for $158.00

14-555-441

 
sartorius™
13400--20------S
2cm Pack of 200 Each for $76.00

14-555-447

 
sartorius™
13400--63-63---K
6.3cm Pack of 50 Each for $150.00

14-555-446

 
sartorius™
13400--50------Q
5cm Pack of 500 Each for $310.00

14-555-448

 
sartorius™
13400--79-79---K
7.9cm Pack of 50 Each for $152.00
Description & Specifications

Specifications

Autoclavable Yes
Color White
Material Borosilicate Microfiber Glass
Format Filter Disc
Thickness (Metric) 550μm
Sterile No
Wettability Hydrophilic

The major use of the glass microfiber filter disc is as a depth prefilter in clarification and sterile filtration. As a prefilter, it is placed directly on top of a membrane filter. The prefilter diameter must be the one specified for the chosen holder; larger diameters will intrude under the sealing ring of the holder and cause leakage.

  • Manufactured with a hydrophillic acrylic binder for defined strength
  • Has a high particle loading capacity for filtering relatively dirty liquids
  • Mechanically and chemically stable, with a temperature resistance up to 220°C
  • Other filter characteristics:
    • Weight: 73g/m2
    • Extractable content in isopropanol: 1.54%
    • Extractable content in water: 1.12%
    • Pressure drop at 5.3cm/sec: 0.363kPa
    • Total throughput at 1bar: 320mL/min./cm2

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