Technical Data

No.

Test Item

Unit

Technical  Requirements

Test Result

1

Size and Difference

mm

Length

600±1.0

600.2~600.5

2

Side straight

(%)

±0.2

-0.04 ~ +0.03

3

Right angle

(%)

±0.2

-0.04 ~ +0.05

4

Surface
Flatness

(%)

Center curvature

±0.2

+0.04

(%)

Warpage

±0.2

-0.03

(%)

Side Curvature

±0.2

+0.04

5

Surface Quality
(Excellent class)

---

No distinct surface defects of more than 95% of the tiles can be found by inspection at a distance of 0.8 meter above the tile surface

Conformed

6

Water Absorption

(%)

Mean value ≤ 0.5
Single value ≤ 0.6

0.1
0.09~0.1

7

Breaking strength

N

When the thickness is ≥ 9.5mm,
the mean value shall be ≥1350 

1635.8

8

Modulus of rupture

Mpa

Mean value ≥ 35
Single value ≥ 32

39.0
37.1~40.0

9

Resistance to thermal shock

---

No burst and crack appear after the test of resistance to thermal shock 10 times

Conformed

10

Luster degress

---

≥ 55

57~59

11

Abrasion resistance

mm3

≤ 175

147

12

Resis to household chemical reagent

---

Not lower than UB level

UA level

13

Resistance to Acid

---

Grade after being dipped into 3% Hydrochloric Acid for 12 days

ULA level

14

Resistance to alkali

---

Grade after being dipped into 30g/L potassium hydroxide for 12 days

ULA level

15

Thickness

9.0 - 11mm