1. Only for tiles with individual area >4 cm2
2. At least 1 m2 with minimum 30 tiles .Whatever the number of tiles in 1 m2.quality lavel (AQL) 2.5 %
The test simple should be rounded to the nearest 10 tiles above . Comformity to acceptable in accondance with ISO 2859-1: 1989 .
Simpling procedure inspection by attributes - Part 1: Simple plan indexed by acceptable quality lavel for (AQL) Lot- by- Lot inspection or
ISO 3951:1989, sampling procedure and charts for inspection by variables for percent noncomforming is an acceptable alternative to the procedure in table 1.
3. The simple size depaneds on the size of the tiles
4. Only for tiles with individaul surface area > 0.04 m2 .In the case of tiles with a mass < 50 g ,weihging
a surfficent number shall be tanken so as to from five test specimen each between 50 g and 100 g
5. L : Lower spection limit
6. U : Upper spection limit
6. Only for tiles with lengths > 48 mm.
8. Number of measurements
9. Number of tast specimences
10. Per tast solution
11. There is on double sampling tast procedure for there properties
12. The sample size varies with the tast method