BYK Laponite® D Magnesium Silicate

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BYK Laponite® D Magnesium Silicate
Categories:	Ceramic; Clay
Material Notes:	LAPONITE D is a synthetic layered magnesium silicate which has been surface modified with fluoride ions. LAPONITE D is insoluble in water but hydrates and swells to give clear and colorless colloidal dispersions in water or aqueous solutions of alcohols. At 2% concentration in water and 50% aqueous solutions of sorbitol or glycerol, highly thixotropic gels are obtained. Application: Usually used in conjunction with other thickeners for imparting a shear sensitive structure to both conventional and specialty toothpastes. For formulation information refer to Laponite Technical Bulletin L202/01e. Information provided by Southern Clay Products
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Physical Properties	Original Value	Comments

Bulk Density	62.4 lb/ft³
Particle Mesh Size	>= 250 Mesh	<1%
pH	9.7	2% suspension
Specific Surface Area	370 m²/g

Processing Properties	Original Value	Comments
Gel Time	22.0 min	g

Component Elements Properties	Original Value	Comments
Fluorine, F	0.30 %
H2O, Water	3.0 - 10 %	Free
Loss on Ignition(%)	8.2 %
MgO	27.4 %
Na2O	2.9 %
SiO2	59.3 %

Descriptive Properties
Color/Form	Free flowing white powder
Composition	0.008	Li2O

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PBYK059 / 185056

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