80X80cm dark emperador marble full polished porcelain glazed tiles for hotel uniform design from foshan nanhai

Test item

GB/T4100.1-2010

Test result

Length tolerance

Length

599.7~600.0

Side straight

±0.2

-0.04~ +0.05

Right angle

±0.2

-0.05~ +0.04

Surface Flatness

Center curvature

-0.04~+0.04

Surface quality

A minimum of 95% of the tiles shall be free from visible defects.

No visible defects

Water absorption

Mean value E≤0.5

0.08

Breaking pressure

When the thickness is ≥7.5mm, the average shall be ≥1300

1764.6

Modulus of rupture

Mean value≥35

37.2

Luster degree

≥ 55

70-73

Abrasion resistance

≤ 175

131

Resistance to frost

No crack or peeling.

No

Resistance to Household Chemical Reagent

Not lower than UB level

UA level

Resistance to Chemical of swimming pool

Not lower than UB level