REFINED ICUMSA 100 SUGAR: A Complete Buyer’s Guide ICUMSA 100 Standard White Sugar — Premium Grade ¨A¨ Refined ICUMSA 100 sugar is a high-quality white sugar grade used by food manufacturers, distributors, and industrial buyers who want a balance between price, purity, and performance. It is commonly sold as refined cane sugar with a low color value, good solubility, and specifications suitable for many commercial applications.mcspaco+2 For new buyers, ICUMSA 100 is often a p