SiO2 content (%): #1: >98.0 to 99.9 #2: >90.0 to 97.9 #3: >85.0 to 89.9 Colour variation of grains available: #1: Pure white. #2: Mixture of white, yellow, grey and brown. Grain size (mm): Grain size on request according to buyers needs. All sizes available from typically smaller size variations of 0.06 to 0.25 mm to larger grains of 10.0 to 15.0 mm. Delivery: #1: 25 kg bag. #2: 1300 kg big bag. Monthly delivery capacity: 3000 - 5000 tons according to grain size.
