Chemical Specifications Appearance White to yellowish-white to greyish-white powder Viscosity (2% in water; 20°C) 3000 - 5000 mPas Methoxy (%) 26.0-33.0 PH (2% in Water) 5.0-8.0 PH (1% in Water) 5.0-8.5. Loss on Drying (%) <5.0. Residue on Ignition (%)/Sulfated ash (%) <1.5. Heavy Metal's (ppm) <20.