BEECK Mineral Colours 130 Jahre Beeck'sche Farbwerke – 1894-2024


Acidic concentrate for sinter skin removal on new renders

Intended use

Aqueous acidic solution of fluorosilic acids for the removal of lime sinter layers on new mineral renders. Suitable for lime and lime cement renders in exterior areas. Can also be used to clean existing sintered renders. Not for use on external thermal insulation composite systems, thin renders, synthetic resin renders and gypsum. Acidic, corrosive concentrate, for commercial users only.


for exteriors + interiors


- Reliable against sinter skin
- Creates porous, low tension substrates
- No neutralisation required
- Optimum silicification of subsequent silicate coats
- Reduces absorbency and staining
- Concentrate, to be thinned with 3 parts water

Technical Details


1.20 kg/L

pH value:

1 (unthinned)

Application rate:

approx. 0.02 L/m² BEECK Etching Fluid

Container size

5 L / 10 L


Colourless or tinted Pink

Products, which can be used together with this product:

Overview Auxiliaries