Refractance Window Dryer
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A Refractance Window Dryer is an innovative low-temperature drying technology that uses infrared heat transferred through a circulating hot water film and a transparent conveyor belt. It creates a “refractance window” effect, where moisture is rapidly evaporated from the product surface without thermal degradation, making it ideal for drying high-value products such as fruit pulp, vegetable purée, herbal extracts, enzymes, and probiotics.