Profile: Newreach Materials Co., Ltd. specializing in the research, production, sales and technical service of Microsilica (silica fume). Microsilica(silica fume) is widely used in the fields including high strength concrete, high-speed rail track plate admixture, grout, mortar, thermal insulation materials and refractory materials. Microsilica NR85U is an undensified dry powder microsilica admixture for Portland cement concrete and mortars. Microsilica NR85U is a pozzolanic material that consists primarily of fine silicon dioxide particles in a non-crystalline form.