PAC-HV (high-viscosity), PAC-LV( low-Viscosity) PAC-HV (high-viscosity)1) Appearance: white or light yellow powder ... 3) Apparent viscosity in water, mPa.s: ≥50 (3.7g/l) 4) Apparent viscosity in saturated brine, mPa.s: ≥50 (3 ... .7g/l) 5) Moisture: < 9%6) pH: 6.0 - 8.0 ... 300≥12mPa.s (148.9°C, 35.1 atm) Sell PAC (Poly Anionic Cellulose ), PAC-HV, PAC-LV