... drilling fluid* Low viscosity effects, maintains polymer drilling fluid’s rheology * High salt-resistance and calcium-magnesium-resistance, ... 9Solid content, % ≥30Apparent viscosity of 1% aqueous solution, mPa.s ≥20At room temperature, API filtration , mL ≤10API filtration (120° ... Storage25kg or 200kg plastic drums or according to customer’s requirement.Avoid high-intensity extreme pressure, heat and ...