switzerlandbased color and specialty chemicals company archroma has received fda approval for the use of its new cartaguard kst additive in the manufacture of paper and board for food packaging.compliant with the german bfr xxxvi recommendations, the oil, grease and water resistance additive can be used as a surface refining and coating agent in paper and board.the product has been approved by the us federal food and drug administration under 21 cfr 176.170 and can be used as a grease resistance treatment before or after sheet formation for paper and paperboard.this newly launched liquid is based on a cationic c6 fluoropolymer that provides a longlasting barrier to grease and water.it is said to be suitable for use in size press as well as wet end applications for the production of fast food boxes and wrappers, soup cube boxes, butter wrap and oil bottle labels.it can also be used in producing molded pulp plates, cups and in pet food packaging.archroma global product management coating chemicals, paper solutions business head frédéric mabire said "archroma strives to be at the forefront of providing highperforming solutions that support greater sustainability by our customers and safer applications for consumers."having fda approval for cartaguard kst in addition to the german bfr xxxvi compliance provides our food sector customers with the assurance of a highquality, effective and safe impregnating treatment for more ecoadvanced packaging solutions."employing 3000 people across 35 countries, the company specializes in three businesses textile specialties, paper solutions and emulsion products.