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[Filter&pH Papers] Qualitative Filter Papers - Folded (Prepleated Grades)
관리자 2021-10-26 17:21:11
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  • Savings in time required to quadrant-fold circles to fit conical filter funnels in repetitive or multiple analyses
  • Decreased overall filtration time because of the extra surface area exposed; the normal slow down of filtration speed due to the loading of particulate is postponed
  • Increased total loading capacity as more filter area is available
  • Maintained flow rate due to the reduction in filter paper contact with funnel side and,  the self-supporting shape of the filter itself
  • The prepleating does not significantly affect any of the  technical data and the same figures may be used for the flat circles


 

Typical Properties - Qualitative Folded Grades

Grade Description Particle
Rrtention
in liquid (µm)		 Filtration speed
(approx.)
herzberg (s)		 Typical
thickness
(µm)		 Basis weight
(g/m2)
2V Medium flow 8* 240 190 103
5V Slow 2.5* 1420 200 98
113V Fast, creped 30* 28 420 125
114V Fast, smooth 25* 38 190 77
287 ½ Kieselguhr - 330 360 154
520 a ½ Very fast, creped,
high wet strength		 15 to 18† 17.5 300 90
520 bII ½ Very fast, creped,
wet strength, thick		 15 to 19† 15 500 135
588 ½ Fast - - 205 80
591 ½ Medium fast, thick 7 to 12† 45 350 161
595 ½ Medium fast, thin 4 to 7† 80 150 68
597 ½ Medium fast 4 to 7† 70 180 85
598 ½ Medium fast, thick 8 to 10† 50 320 140
602 h ½ Slow, dense < 2† 375 160 84
0858 ½ Medium fast, grained 7 to 12† 55 170 75
0860 ½ Medium fast, smooth 7 to 12† 60 170 75
0905 ½ Very fast, creped 12 to 25† 40 270 75
1573 ½ Fast, smooth 12 to 25† 25 170 88
1574 ½ Medium fast, very low
fiber release		 7 to 12† 85 160 90
2555 ½ Medium fast 7 to 12† 55 170 75

* Particle retention rating at 98% efficiency    
† Approximate values 
 

Ordering Information - Qualitative Filter Papers - Folded (Prepleated Grades)

Catalog Number Description
Grade 2V
1202-125 Grade 2V folded filters, 125 mm, 100/pk
1202-150 Grade 2V folded filters, 150 mm, 100/pk
1202-185 Grade 2V folded filters, 185 mm, 100/pk
1202-240 Grade 2V folded filters, 240 mm, 100/pk
1202-270 Grade 2V folded filters, 270 mm, 100/pk
1202-320 Grade 2V folded filters, 320 mm, 100/pk
1202-385 Grade 2V folded filters, 385 mm, 100/pk
1202-400 Grade 2V folded filters, 400 mm, 100/pk
1202-500 Grade 2V folded filters, 500 mm, 100/pk
Grade 5V
1205-185 Grade 5V folded filters, 185 mm, 100/pk
Grade 113V
1213-125 Grade 113V folded filters, 125 mm, 100/pk
1213-150 Grade 113V folded filters, 150 mm, 100/pk
1213-185 Grade 113V folded filters, 185 mm, 100/pk
1213-240 Grade 113V folded filters, 240 mm, 100/pk
1213-270 Grade 113V folded filters, 270 mm, 100/pk
1213-320 Grade 113V folded filters, 320 mm, 100/pk
1213-500 Grade 113V folded filters, 500 mm, 100/pk
Grade 114V
1214-125 Grade 114V folded filters, 125 mm, 100/pk
1214-150 Grade 114V folded filters, 150 mm, 100/pk
1214-185 Grade 114V folded filters, 185 mm, 100/pk
1214-240 Grade 114V folded filters, 240 mm, 100/pk
1214-320 Grade 114V folded filters, 320 mm, 100/pk
Grade 287 ½
10310244 Grade 287 1/2 folded filters, 125 mm, 50/pk
10310245 Grade 287 1/2 folded filters, 150 mm, 50/pk
10310247 Grade 287 1/2 folded filters, 185 mm, 50/pk
10310251 Grade 287 1/2 folded filters, 240 mm, 50/pk
10310253 Grade 287 1/2 folded filters, 320 mm, 50/pk
Grade 520 a  ½
10331451 Grade 520 a 1/2 folded filters, 240 mm, 100/pk
10331456 Grade 520 a 1/2 folded filters, 500 mm, 100/pk
10331459 Grade 520 a 1/2 folded filters, 700 mm, 100/pk
Grade 520 bII ½
10331653 Grade 520 bII 1/2 folded filters, 320 mm, 50/pk
Grade 588 ½
10319352 Grade 588 1/2 folded filters, 270 mm, 100/pk
Grade 591 ½
10311347 Grade 591 1/2 folded filters, 185 mm, 50/pk
10311351 Grade 591 1/2 folded filters, 240 mm, 50/pk
Grade 595 ½
10311641 Grade 595 1/2 folded filters, 70 mm, 100/pk
10311642 Grade 595 1/2 folded filters, 90 mm, 100/pk
10311643 Grade 595 1/2 folded filters, 110 mm, 100/pk
10311644 Grade 595 1/2 folded filters, 125 mm, 100/pk
10311645 Grade 595 1/2 folded filters, 150 mm, 100/pk
10311647 Grade 595 1/2 folded filters, 185 mm, 100/pk
10311649 Grade 595 1/2 folded filters, 210 mm, 100/pk
10311651 Grade 595 1/2 folded filters, 240 mm, 100/pk
10311652 Grade 595 1/2 folded filters, 270 mm, 100/pk
10311653 Grade 595 1/2 folded filters, 320 mm, 100/pk
10311654 Grade 595 1/2 folded filters, 385 mm, 100/pk
10311656 Grade 595 1/2 folded filters, 500 mm, 100/pk
Grade 597 ½
10311841 Grade 597 1/2 folded filters, 70 mm, 100/pk
10311842 Grade 597 1/2 folded filters, 90 mm, 100/pk
10311843 Grade 597 1/2 folded filters, 110 mm, 100/pk
10311844 Grade 597 1/2 folded filters, 125 mm, 100/pk
10311845 Grade 597 1/2 folded filters, 150 mm, 100/pk
10311847 Grade 597 1/2 folded filters, 185 mm, 100/pk
10311851 Grade 597 1/2 folded filters, 240 mm, 100/pk
10311852 Grade 597 1/2 folded filters, 270 mm, 100/pk
10311853 Grade 597 1/2 folded filters, 320 mm, 100/pk
10311854 Grade 597 1/2 folded filters, 385 mm, 100/pk
10311856 Grade 597 1/2 folded filters, 500 mm, 100/pk
Grade 598 ½
10312244 Grade 598 1/2 folded filters, 125 mm, 50/pk
10312247 Grade 598 1/2 folded filters, 185 mm, 50/pk
10312251 Grade 598 1/2 folded filters, 240 mm, 50/pk
10312256 Grade 598 1/2 folded filters, 500 mm, 50/pk
Grade 602 h ½
10312642 Grade 602 h 1/2 folded filters, 90 mm, 100/pk
10312644 Grade 602 h 1/2 folded filters, 125 mm, 100/pk
10312645 Grade 602 h 1/2 folded filters, 150 mm, 100/pk
10312647 Grade 602 h 1/2 folded filters, 185 mm, 100/pk
10312651 Grade 602 h 1/2 folded filters, 240 mm, 100/pk
Grade 0858 ½
10334345 Grade 0858 1/2 folded filters, 150 mm, 100/pk
10334347 Grade 0858 1/2 folded filters, 185 mm, 100/pk
10334351 Grade 0858 1/2 folded filters, 240 mm, 100/pk
10334352 Grade 0858 1/2 folded filters, 270 mm, 100/pk
10334353 Grade 0858 1/2 folded filters, 320 mm, 100/pk
Grade 0860 ½
10334547 Grade 0860 1/2 folded filters, 185 mm, 100/pk
10334551 Grade 0860 1/2 folded filters, 240 mm, 100/pk
10334553 Grade 0860 1/2 folded filters, 320 mm, 100/pk
Grade 0905 ½
10334953 Garde 0905 1/2 folded filters, 320 mm, 100/pk
Grade 1573 ½
10314744 Grade 1573 1/2 folded filters, 125 mm, 100/pk
10314745 Grade 1573 1/2 folded filters, 150 mm, 100/pk
10314747 Grade 1573 1/2 folded filters, 185 mm, 100/pk
10314751 Grade 1573 1/2 folded filters, 240 mm, 100/pk
10314752 Grade 1573 1/2 folded filters, 270 mm, 100/pk
10314753 Grade 1573 1/2 folded filters, 320 mm, 100/pk
10314756 Grade 1573 1/2 folded filters, 500 mm, 100/pk
Grade 1574 ½
10314844 Grade 1574 1/2 folded filters, 125 mm, 100/pk
10314847 Grade 1574 1/2 folded filters, 185 mm, 100/pk
Grade 2555 ½
10313947 Grade 2555 1/2 folded filters, 185 mm, 100/pk
10313951 Grade 2555 1/2 folded filters, 240 mm, 100/pk
10313953 Grade 2555 1/2 folded filters, 320 mm, 100/pk
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