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high compatibility with an abrasive fluoride toothpaste, its preparation method, and composition of paste toothpaste container
high compatibility with an abrasive fluoride toothpaste, its preparation method, and composition of paste toothpaste container
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机译:与磨料氟化物牙膏的相容性高,其制备方法和膏状牙膏容器的组成
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摘要
An abrasive having a high fluoride compatibility for toothpaste contains a precipitated, amorphous silica. The silica contains 10 to 300 parts of alkaline earth metal ions per million parts of amorphous silica. It has a) a radioactive dentine abrasion value of at least 40, b) a packing density of 0.24 to 0.55 g/ml, c) an oil absorption of 70 to 95 ml/100 g, d) a BET surface area of 100 to 250 m2/g, e) a percentage loss on ignition of 4 to 6% and f) fluoride compatibility values of at least 90% when it is incorporated into fluoride-containing toothpastes.
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机译:对牙膏具有高氟化物相容性的磨料包含沉淀的无定形二氧化硅。二氧化硅每百万份无定形二氧化硅含有10至300份碱土金属离子。它的a)放射性牙本质磨损值至少为40,b)堆积密度为0.24至0.55 g / ml,c)吸油量为70至95 ml / 100 g,d)BET表面积为100至250 m 2 / g,e)当将其掺入含氟化物的牙膏中时,灼烧百分损失为4%至6%,f)氟化物相容性值为至少90%。
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