Tech-Dry Emulsion PCW30 is a water-based oi/water repellent concentrate. After dilution with water, the product can be used as a penetrating oil/water repellent sealer for porous masonry substrates. It not only offers good water repellent effect to masonry surface but also provides good stain resistance against the majority of staining materials including oil, juice, coffee, food, and wine.

The treatment will not significantly change the appearance and vapour permeability of the substrate surface. However, a slight change in surface appearance may occur for some substrates.

Emulsion PCW30 once diluted, this product is suitable to produce stain resistant sealers for porous masonry substrates such as natural stones, concrete blocks/pavers, cementitious render, clay bricks, terracotta tiles and grouts. Emulsion PCW30 is required to dilute with deionised water before use. Recommended dilution ratio is 1:6 with water. However, the best dilution ratio should be determined by testing. Emulsion PCW30 should be mixed well before use!

For dense materials, we recommend using equivalent solvent-based sealer.


  • Penetrates into masonry substrate
  • Hard wearing and durable formulation
  • Good oil/water-repellent and stain resistant properties
  • Water-based technology containing no solvent

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