Properties | Blue | Black | Red |
---|---|---|---|
Ref. | SB 200 BLU | SB 200 BLK | SB 200 RED |
Brookfield Viscosity at 20°C, 12 rpm by 64 LV Spindle (cps) | 12000 ± 1000 | 13000 ± 1000 | 11000 ± 1000 |
Sour Alkalinity (PH) | 5.53 | 5.37 | 5.68 |
Surface Tension (d/cm) | 40.00 | 40.00 | 38.00 |
Specific Gravity (g/cc) | 1.099 | 1.139 | 1.102 |
Water Resistance | Good | Good | Good |
Writing | Smooth | Smooth | Smooth |
Pens kept at 50°C for 30 days | Flow OK | Flow OK | Flow OK |
Tip Used (CRI / IWI / ESSEM) | 0.6 - 1.00 mm | 0.6 - 1.00 mm | 0.6 - 1.00 mm |