Laboratory Report
Laboratory Report
Syrian Arab Republic
Ministry of industry
Industrial Test and research center .
Damascus- P.O.Box 845
Fax – 6133285 – Tel – 6133262 -6133263
Laboratory Report
Sample received from : Balkis Ceramic Industry
S. No. : /- / Date : 20/2/2001
Sample : Floor Ceramic Tile Receipt No.: 1092 /d Date: 21/2/2001
Required Tests: written below
Note : (The results indicated in this report belong to the received sample) .
1. Chemical Properties :
In consideration of the Syrian Specification No. 518/99 related to dry pressed ceramic tiles, The Sample is classified as follows:
- Class (1) with regard to Spot testing by Blue Methylen and Potassium permanganate.
- Class (AA) regarding resistance to Domestic Chemicals, Swimming Pool Salts , Acids and Al kali.
- Water absorption = or < 3 % .
(Signed by the Manager of In-Organic Chemistry Dept)
2. Physical Properties and Dimensions:
|
Tests |
Results |
Standard Specs. Limit |
Test Method |
|
Length diversion % |
0.14 |
(+)(-) 0.6 |
Spec 530 |
|
Thickness diversion % |
0.72 |
(+)(-) 5.00 |
Spec 530 |
|
Maximum diversion of edge straight. % |
0.11 |
(+)(-) 0.5 |
Spec 530 |
|
Maximum diversion of angles perpend. % |
0.21 |
(+)(-) 0.6 |
Spec 530 |
|
Maximum diversion of side bending % |
0.084 |
(+)(-) 0.5 |
Spec 530 |
|
Maximum diversion of central bending % |
0.023 |
(+)(-) 0.5 |
Spec 530 |
|
Surface Curvature |
0.077 |
(+)(-) 0.5 |
Spec 530 |
|
Mass of absorbed water % |
0.77 |
= or < 3 |
Spec 524 |
|
Bending resistance (N/mm) |
34.5 |
Min. 27 |
Spec 528 |
|
Scratch hardness (Mohss scale) |
7 |
Min. 5 |
Spec 527 |
|
Surface appearance |
Surface is clear from defects |
||
3. Wear Resistance:
|
Stage of wear: noticed defects ( cycles )
|
class
|
test method
|
|
750
|
3
|
Specification No. 527 |
Evaluation:
Based on the Syrian Standard Specification for Pressed Ceramic, the Sample is
classified as follows:
- 1st Class ( 1 ) with degree of absorption E = or < 3 %
- Class (1) with regard to the spots resistance.
- Class ( AA ) regarding resistance against Acids and Alkali.
- Class (3) regarding wear resistance
