tio2 coatings

TiO2 has been well accepted in the food industry and can be found as the E171 additive in various food products, mainly for whitening and texture. It is present in some cottage and Mozzarella cheeses, horseradish cream and sauces, lemon curd, and in low-fat products such as skimmed milk and ice-cream. Even if the product is labelled as containing E171, no information is usually given about the quantity, particle size and particle structure. FDA claims that TiO2 may be safely used as a colour additive for colouring foods in quantities up to 1 % by weight of the food. Interestingly, TiO2 is frequently declared as a “natural colouring agent” and is therefore well accepted by consumers.

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The production process of lithopone involves a sophisticated synthesis of zinc sulfide and barium sulfate, resulting in a pigment that boasts high whiteness, opacity, and heat stability. The ratio of ZnS to BaSO4 can be adjusted to cater to specific applications, with some formulations containing up to 70% zinc sulfide and 30% barium sulfate. This flexibility makes lithopone an adaptable solution for manufacturers seeking optimal performance in their products.

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{随机栏目} 2025-08-14 13:49 1681