Safety is paramount in the food industry, both for its packaging and especially in the processing machines that comes in direct contact with the food itself. Ustegra understands the need for safe materials, may it be as the cover rollers (which must free of heavy metal and hazardous substances); also for the thin Teflon-Coating (we will use here the 'food-grade' coating) and trending nowadays are the teflon oversleeve, which simply makes the roller much more cleaner.