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.
Xem kết quả xổ số miền bắc 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).
Xem kết quả xổ số miền bắc 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|