Technical specification
Secoin Encaustic Cement Tiles are manufactured to conform to the Vietnamese Standard for Cement Tiles code TCVN 6065:1995.Secoin Encaustic Cement Tiles meet or exceed the technical specification required by TCVN 6065:1995.
Below is an excerpt of technical requirements from the Standard:
4.1. Surface of tilesshall be covered by one colour or diffirentpatterns. Surface of plain colour tiles must be not faded and like standard colour equally. Patterned tiles must have clear lines and be not blurred. Minimum thickness of decorative layer is not less than 2,5mm.
4.2. Surface of tiles must be flat and polished without scratches. Corners must be square, edges must be straight. Depending on acceptable defects on apperance, cement floor tilesshall bedevided into two grades as given in table 1:
Table 1
|
Name of defects |
Allowed level |
|
|
First grade |
Second grade |
|
|
1. Maximum tolerence of square corners in mm is not bigger than |
0,5 |
1 |
|
2. Maximum of warpingsurface in mm is not bigger than |
0,5 |
1 |
|
3. Maximum of curving edges in mm is not bigger than |
0,1 |
0,2 |
|
4. Maximum of colour fading, tolerencesbetween lines and connection of patterns comparedto standard colour in mm is not bigger than. |
1 |
0,2 |
|
5. Breakage of facing layer, its depth is not over 1mm and its length is not over 10mm.Caculated by marks, spots is not over |
1 |
2 |
|
6. Breakage of corners onfacing layer is not over 3mm.Caculated by marks, spots is not over |
0
|
2
|
|
7. Breakage of base layerwith size is not over 10mm.Caculated by marks, spots is not over |
1 |
2 |
4.3. Both first and second grades of cement floor tiles will must meet physical standards as following table 2:
Table 2
|
Name of criteria |
Parameter |
|
1. Abrasion of facing layer(g/cm2) is not over |
0,45 |
|
2. Water absorption (%)is not over |
10 |
|
3. Impact strength, times, not less than |
25 (times) |
|
4. Breaking load pressed on whole tile, daN/pcs is not less than |
100 |
|
5. Hardness of facing layer |
passed |