Potassium Sodium Tartrate (Rochelle Salt)
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Potassium Sodium Tartrate (Rochelle Salt) is a double salt commonly used as a set retarder in cement-based products. Rochelle Salt is beneficial in gypsum-based products such as plasterboard and joint compounds. Rochelle Salt slows down the setting process, allowing for more extended working time and better control over the setting time of the product.