Double Layer Terrazzo Tiles!
Double-layer tiles are made of cement and chips consisting of, namely, two layers. The first layer is made of a semi-wet mixture with water/cement ratio of 0,6. This mixture, which is the exposed part of the tile and is the same as the mixture for single-layer, is made by planetary mixing machines that mix grey or white cement, chips, marble powder, coloring pigments and, of course, water.
Xổ số vuông hôm nay The second layer, instead, is a poor and semidry mixture, made of grey cement, sand and very little water. This mixture is the bottom of the tile and has no aesthetic function; it is charged into the mould right before the pressing
Indoor use: private houses, schools, libraries, museums, hospitals, airports, shopping centers (polished).
Xổ số vuông hôm nay Outdoor places: such as squares, courtyards, sidewalks, seafront promanades, parkings, old town centers and vehicle resilient drives.
The most popular sizes are:
200×200 to combine with patterned tiles
250×250 the most productive and popular size for indoors for its low costs.
300×300 – 333×333 typical of the central Europe countries and of some Mediterranean countries.
400×400 – 500×500 – 400×600 – 600×600 for vast and public places.
After 28 days
|Max size of chips||4-15 mm|
|Specific weight||2.30 kg/dm3|
|Flexure strength||6-8 N/mm2|
|Compression strength||60-80 N/mm2|
|Water absorption||6,0-6,5 (% in weight)|
|Reaction to fire||Class 0|
|Reaction to frost and defrost||Resistant|