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Laponite RD

Description: Synthetic colloidal thixotropic smectite

Oxide Analysis Formula
Li2O 0.80% 0.04
MgO 27.50% 0.90
SiO2 59.50% 1.31
Na2O 2.80% 0.06
LOI 8.20%n/a
Oxide Weight 120.10
Formula Weight 130.82


A highly-purified, synthetic colloidal smectite clay that imparts viscosity and suspension properties to glaze suspensions. It will form highly thixotropic, heat stable, clear gels when dispersed in water at a 2% solids level. It is easily dispersed without high shear mixing equipment and has a very high surface area. It provides synergistic viscosity and suspension properties when combined with various organic polymers. It is free of crystalline silica and low in transition metals and other impurities.

Related Information


Gel White Data Sheet
Materials Bentolite H
Materials Bentolite B
Materials Bentolite L-3
Materials Superlite MP
Typecodes Clay Other
Clays that are not kaolins, ball clays or bentonites. For example, stoneware clays are mixtures of all of the above plus quartz, feldspar, mica and other minerals. There are also many clays that have high plasticity like bentonite but are much different mineralogically.
Minerals Smectite
A highly plastic clay mineral related to montmorillonite (bentonite), more correctly, the name of th
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