abstract |
Dispersion containing, in addition to water, 0.5 to 20% by weight of hydrophobic silica, 0.01 to 10% by weight of additive gelling agent, or additive that increases viscosity, characterized in that, as additional components, it contains at least 0.1 at 5% by weight of p-chloro-m-cresol and / or at least 0.1 to 5% by weight of glutardialdehyde. |