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The Art of coloring Cement or concrete

Layered reactive stains . GFRC fountain spout

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Cement composites like this GFRC torso with very high Portland cement ratios are very rich substrates for reactive stains . no acid is needed with the metal salts , thy are realy just reactive stains ! not acid stains ,

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GFRC Urns . there are a dozen salts that give greens and blues on mineral surfaces like cement ! many of the best colors come from useing layers of different chemicals

Fountain stand and Ornament are GFRC . colored with reactive stains ,

This fountain I made entirely from GFRC, 4 - 6 mm thick and colored with reactive stains

Acid stained cement fountain spout

reactive stains on cement fountain spout

Reactive stain GFRC fountain spout .

Image created by scratching design onto flat plaster slab , them molding . cast in GFRC and scratch marks picked up ! image still not visible until stained with transparent iron oxide and acid stained to age , 4 mm thick

Acid stained then diamond polished GFRC table