Evonik SIDENT® 22 S Silica

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Evonik SIDENT® 22 S Silica
Categories:	Ceramic; Oxide; Silicon Oxide
Material Notes:	SIDENT dentrifice silica are a type of precipitated silica specially developed for toothpaste applications. SIDENT 22 S is used as a rheological additive in toothpaste formulations with an important influence on the performance properties. In combination with the abrasive SIDENT types the cleaning efficiency can be improved significantly. Information provided by Evonik
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Physical Properties	Metric	English	Comments

Density	0.0900 g/cc	0.00325 lb/in³	Tamped; ISO 787-11
Particle Size	13.5 µm	13.5 µm	d50; ISO 13320-1
pH	6.5	6.5	5% in water; ISO 787-9
Specific Surface Area	190 m²/g	190 m²/g	ISO 9277

Component Elements Properties	Metric	English	Comments
Loss on Ignition(%)	4.5 % @Temperature 1000 °C, Time 7200 sec	4.5 % @Temperature 1830 °F, Time 2.00 hour	ISO 3262-1
SiO2	>= 97 %	>= 97 %	ISO 3262-19
Sodium, Na	<= 1.0 %	<= 1.0 %

Descriptive Properties
Content	<1.5%		Sulfate
	<400 ppm		Iron

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PEVONIM070 / 197274

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