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Glass fiber filters. Made of 100% borosilicate glass fibers. They adsorb the finest particles down to 1µm from liquids. In air and gases even aerosols with a particle diameter <1µm are separated, as the electrostatic interaction between the glass fibers and gases is better than between glass fibers and liquids.
- Chemically resistant against most organic and inorganic solvents, acids (except HF) and bases.
- Constant weight.
- Mechanically stable.
- Temperature resistant up to 500ºC.
Upon request:
Quartz fiber filters.
Pure quartz microfibers, without glass fibers and without binders. Quartz is suitable for trace analysis owing to its extremely low metal content. Emission measurements can be carried out up to 1000ºC.		  
 
Reference Type Retention rate to BS 4400 % Filtration time* s Thickness µm Dimensions mm SU Price
GF 50 99.993 100 300 Ø 25 200
GF 50 99.993 100 300 Ø 47 200
GF 50 99.993 100 300 Ø 50 200
GF 50 99.993 100 300 Ø 55 100
GF 50 99.993 100 300 Ø 70 100
GF 50 99.993 100 300 Ø 90 100
GF 50 99.993 100 300 Ø 110 100
GF 50 99.993 100 300 Ø 125 100
GF 50 99.993 100 300 Ø 150 100
GF 51 99.993 220 850 Ø 25 50
GF 51 99.993 220 850 625 x 660 50
GF 55 99.999 530 400 Ø 25 100
GF 55 99.999 530 400 Ø 50 100
GF 55 99.999 530 400 Ø 55 100
GF 55 99.999 530 400 Ø 70 100
GF 55 99.999 530 400 Ø 90 100
GF 55 99.999 530 400 Ø 110 100
GF 55 99.999 530 400 Ø 125 100
GF 55 99.999 530 400 Ø 150 100
GF 55 99.999 530 400 580 x 580 100
GF 52 99.995 120 300 Ø 25 200
GF 52 99.995 120 300 Ø 47 200
GF 52 99.995 120 300 Ø 50 200
GF 52 99.995 120 300 Ø 55 100
GF 52 99.995 120 300 Ø 70 100
GF 52 99.995 120 300 Ø 90 100
GF 52 99.995 120 300 Ø 110 100
GF 52 99.995 120 300 Ø 125 100
GF 53 99.97 70 590 Ø 25 100
GF 53 99.97 70 590 Ø 47 100
GF 53 99.97 70 590 Ø 55 50
GF 53 99.97 70 590 Ø 90 50
GF 53 99.97 70 590 Ø 110 50
GF 53 99.97 70 590 Ø 125 50
GF 53 99.97 70 590 Ø 150 50
GF 53 99.97 70 590 580 x 580 100
According Herzberg  
 
 
 
 
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