CELLULOSE / ABRASIVE TWIN SPONGE

Top quality sponge for professional applications. Ideal for cleansing after epoxy grouting. Sized 16 x 9 x 7 cm.

It consists of two parts made of different materials: a synthetic mesh (“gnat”) portion to facilitate epoxy grout residues detachment, and a cellulose portion.

About cleansing epoxy-based grouts…

Epoxydic grouts

Epoxydic-based grouts is not soluble in cold water. Also, it crystallizes very quickly on a sponge surface. Cleansing out residues from an epoxy-based grouting operation involves rubbing with a specific sponge. As a consequence, an epoxy crystals layer will rapidly settle onto the sponge, which will have in their turn be removed mainly by mechanical action (by wiping the dry sponge onto the rolls or the edges of a tiler’s bucket). Water rinsing in this case is solely intended to facilitate crystals elimination after they have been scratched off the sponge surface.

Specific application

Sponges recommended for concrete-based grouts are counter-indicated for epoxy grouts, insofar as they are too soft and overly attackable by the epoxy grout. When used, they easily “stick” onto the joint, and get torn off.

Alternatives

Epoxy-based grout cleansing is commonly conducted using various materials/tools: cellulose sponges, synthetical sponges and felts. Such three options offer very similar results and efficiency. On an even materials quality level, choosing one tool or the other is fundamentally a personal preference.

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