Evonik SIPERNAT® 680 Ceramic Powder

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Evonik SIPERNAT® 680 Ceramic Powder
Categories:	Other Engineering Material
Material Notes:	SIPERNAT represents a specific product range of precipitated silica, aluminum and calcium silicates. SIPERNAT 680 is a moderate surface area silica with spherical particles of medium size and high absorption capacity. The product is easy to handle and can be used as flow aid and as carrier silica. Information provided by Evonik
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Physical Properties	Original Value	Comments

Density	0.215 g/cc	ISO 787-11
Particle Size	50 µm	d50; ISO 13320-1
pH	6.0	5% in water; ISO 787-9
Viscosity Measurement	10 - 70	[sec], 3 mm
Surface Tension	175 dynes/cm	ISO 9277

Component Elements Properties	Original Value	Comments
Loss on Ignition(%)	<= 6.0 % @Temperature 1000 °C, Time 7200 sec	ISO 3261-1
SiO2	<= 97 %
Sodium, Na	<= 1.0 %

Descriptive Properties
Content	<1.5%	Sulfate
	<400 ppm	Iron

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PEVONIM161 / 197365

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