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Precipitated calcium carbonate. In rigid PVC it is used to increase impact strength, particularly at low temperatures, and give improved surface gloss and whiteness. In plasticised PVC it gives excellent scuff resistance and improved surface properties. Is a white stearate coated microcrystalline powder characterized by high surface area, controlled particle shape and high whiteness. Consists of fine calcitic crystals with an average particle size of 0.07µm. Due to its very small particle size, it has a tendency to form soft agglomerates. Is used in rubbers due to its very good reinforcement properties and is particularly useful where hot tear strength is required. Other uses include reinforcing filler in polyester molding compounds and carrier for additives used in plastic compounds. Precipitated calcium carbonate. Is a white microcrystalline powder characterized by high surface area, controlled particle shape and high whiteness. Consists of agglomerated ultrafine calcitic crystals with an average primary particle size of 0.07µm. The high surface area and rheological structure-building ability of CALOFORT® U pcc makes it a versatile functional filler in many different applications. Used in rubber reinforcement and detackification of thin film natural rubber.
Calofort®
Polymer additives supplied by Specialty Minerals
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Calofort® S
by Specialty Minerals
Calofort® U
by Specialty Minerals
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