Manganese Dioxide Curing Agent for Polysulfide Sealants

Specifications                 Assay of Manganese Dioxide 76~82 % Loss on Drying 2~5% Bulk weight 300~450g/L pH Value 9~11 Alkalinity(soluble) 1.2% Max Alkalinity(total) 5-6% Dynamic Viscosity 400 Pa.s max BET surface area 18-23m2/g Particle size <25μm