 
                | Chemistry | C18 | 
| Separation Mode | Reversed Phase | 
| Particle Substrate | Silica | 
| pH Range Min | 2 pH | 
| pH Range Max | 8 pH | 
| Maximum Pressure | 6000 psi (415 Bar) | 
| Endcapped | Yes | 
| Silanol Activity | Low | 
| Particle Shape | Spherical | 
| Particle Size | 4 µm | 
| Pore Size | 60 Å | 
| Format | Guard-Pak Insert | 
| Surface Area | 120 | 
| System | HPLC | 
| USP Classification | L1 | 
| Carbon Load | 7 % | 
| UNSPSC | 41115709 | 
| Brand | Nova-Pak | 
| Product Type | Guards | 
| Units per Package | 10 pk | 
