Glass fiber filters have an open structure with a large available surface area and filter depth.
* 용도 (Applications) : 필터링시의 Prefilter나, 수질이나 공기의 오염도 측정에 적합.
· Use as a Prefilter to Protect Membrane Filters · Analytical and Gravimetric Analysis.
· Prefiltration of Relative Clean Solutions such as Tissue Culture Media. · Water / Air Pollution Analysis.
* 재질 : Borosilicate Glass Fiber. * Two types : with Binder, without Binder.
* High Dirt-Loading Capacity, Execllent Throughput and Absolute Retention.
* Highly Resistant to Chemical Attack, Biological Inert.

Weight Nominal Rating Thick Binder Max.Temp Conversion 적용분야
Whatman no.
GA55 : 55 g/m² 0.6㎛ 0.21mm No 500℃ GF/A General Lab, 환경
GB140 : 140 g/m² 0.4㎛ 0.56mm No 500℃ GF/B General Lab, 환경
GC50 : 48 g/m² 0.5㎛ 0.19mm No 500℃ GF/C,934AH Prefilter, 환경
GD120 : 123 g/m² 0.9㎛ 0.51mm No 500℃ GF/D Prefilter
GF75 : 75 g/m² 0.3㎛ 0.35mm No 500℃ GF/F General Lab
GA100 : 110 g/m² 1.0㎛ 0.44mm No 500℃
GB100R : 95 g/m² 0.6㎛ 0.40mm No 500℃
GS25 : 70 g/m² 0.6㎛ 0.22mm Organic 120℃
DP70 : 170 g/m² 1.6㎛ 0.52mm Organic 120℃
Application / Characteristics
* GA55 : General Purpose paper, Air Pollution Monitoring
* GF75 : Most Retentive Grade Offered, Collection of IgC or Other Very Fine Protein Precipitates,
Clarifying Chemically Aggresive Solutions, TCLP(EPA model 1311)
* GA100 : General Purpose Paper, Filtration fo Precipitated Proteins or Cells, Air Pollution Monitoring
* GB100R : High and Low Volume Aerosols for Airbone Dust and Metal Contaminants,
Low Trace Metal Content of AS, Pb and Cd, DNA/RNA and Protein Precipitates
* GB140 : Compared with GB100R ; Thicker, Greater Wet Strength, Slower Filtration Speed
Industrial Waste Analysis, Low Absorpton, Limited Wet Strength and Loading Capacity
* GC50 : Prefilter for Membrane Filter(0.45 ㎛ or smaller), Scintillation Counting
Suspended Solids Analysis of Industrial Waters and Wastewater
* GD120 : Prefilter for 0.45 ㎛ membrane Filter, High Wet Strength, Very High Loading Capacity
* GS25 : Limited Dirt Holding Capacity, High Wet Strength, Prefilter for 0.65 ㎛ or Smaller Membrane
* DP70 : High Wet Strength, Very High Loading Capacity, Dust Measurement