| Physical properties of Kiriyama-rohto filters | |||||||||
| Type of filter paper | NO.3 | NO.4 | NO.5A | NO.5B | NO.5C | NO.6 | NO.7 | GFP | SS-47 |
| (hard quality) | ( GA-200） | LS-100 | |||||||
| Retentive particle size (µm) | 5 | 1 | 7 | 4 | 1 | 3 | 4 | 0.8 | 0.5 |
| Filtration speed (approx.) | Medium fast | Very slow | Fast | Medium fast | Slow | Medium slow | Medium fast | Fast | Very slow |
| Herzberg's filtration speed (sec) | 120 | 1200 | 55 | 195 | 570 | 300 | 200 | 0.6 | 0.24 |
| Thickness （mm） |
0.23 | 0.17 | 0.22 | 0.22 | 0.21 | 0.19 | 0.19 | ||
| Ash contents (g）/ 55mmΦ | 0.0001 | 0.00006 | 0.00004 | 0.00004 | 0.00004 | 0.00002 | 0.000007 | ||
| Applications | Quantitative analysis of soil, cement, fertilizer, mineral, etc. | Strong acid or alkaline soln. | Larger precipitation. | General precipitation. | Minute precipitation. | General precipitation. | General precipitation. | Materials required for chemical stability. | Suspension particles. |
| Features | Thicker paper. | Hard and tough. | Quick filtration. | Good retentiveness. | Good retentiveness for fine particle. | Good retentiveness but slower speed. | Thinner and homogeneous paper. | Hold up a lot of particle. | Excellent retentiion ablity (containing organic binder). |
| Quick filtration. | Lower ash contents. | ||||||||
| Filter papers and recommendable funnel models. | |||||||||
| Paper size (diameter mm） | 8φ | 21φ | 25φ | 40φ | 60φ | 95φ | 150φ | 185φ | 240φ |
| Funnel models | V-8 | S-21 | 25Z (Separate type) | S-40 | S-60 | S-95 | S-150 | S-185 | PS-240 |
| SB-40 | SB-60 | ||||||||
| VB-8 | SB-21 | SU-40 | SU-60 | SU-95 | SC-150 | SC-185 | PSC-240 | ||
| 55-Z | |||||||||
| Paper models | NO.3×8 | NO.3×21 | NO.3×25 | NO.3×40 | NO.3×60 | NO.3×95 | NO.3×150 | NO.3×185 | NO.3×240 |
| NO.4×8 | NO.4×21 | NO.4×25 | NO.4×40 | NO.4×60 | NO.4×95 | NO.4×150 | NO.4×185 | NO.4×240 | |
| NO.5A×8 | NO.5A×21 | NO.5A×25 | NO.5A×40 | NO.5A×60 | NO.5A×95 | NO.5A×150 | NO.5A×185 | NO.5A×240 | |
| NO.5B×8 | NO.5B×21 | NO.5B×25 | NO.5B×40 | NO.5B×60 | NO.5B×95 | NO.5B×150 | NO.5B×185 | NO.5B×240 | |
| NO.5C×8 | NO.5C×21 | NO.5C×25 | NO.5C×40 | NO.5C×60 | NO.5C×95 | NO.5C×150 | NO.5C×185 | NO.5C×240 | |
| NO.6×8 | NO.6×21 | NO.6×25 | NO.6×40 | NO.6×60 | NO.6×95 | NO.6×150 | NO.6×185 | NO.6×240 | |
| NO.7×8 | NO.7×21 | NO.7×25 | NO.7×40 | NO.7×60 | NO.7×95 | NO.7×150 | NO.7×185 | * NO.7×240 | |
| Quantity (1pack) | 50 pcs | 50 pcs | 50 pcs | 50 pcs | 50 pcs | 50 pcs | 50 pcs | 50 pcs | 10 pcs |
| Price (1pack) | US$8 | US$10 | US$12 | US$15 | US$18 | US$34 | US$39 | US$40 | US$17 |
| Glass fiber papers (GFP) and recommendable funnel models. | ||||||||||
| GFP supplies a filtration with better chemical stability. | ||||||||||
| Paper size (diameter mm） | 8φ | 21φ | 25φ | 40φ | 47φ | 60φ | 95φ | 150φ | 185φ | 240φ |
| Funnel models | V-8 | S-21 | 25Z type (Sepa rohto) | S-40 | 55-Z type (Sepa rohto) | S-60 | S-95 | S-150 | S-185 | |
| VB-8 | SB-21 | SB-40 | SB-60 | SU-95 | SC-150 | SC-185 | ||||
| SU-40 | SU-60 | |||||||||
| 55-Z type (Sepa rohto) | ||||||||||
| Paper models (GFP type） | GFP-8 | GFP-21 | GFP-25 | GFP-40 | SS-47SS (Separate type) | GFP-60 | GFP-95 | GFP-150 | GFP-185 | |
| Quantity (1pack) | 10pcs | 10pcs | 10pcs | 10pcs | 100pcs | 10pcs | 10pcs | 10pcs | 10pcs | |
| Price (1pack) | US$6 | US$6 | US$8 | US$13 | US$54 | US$16 | US$27 | US$52 | US$59 | |