The check item

Unit

Require standard

The check result

Determinant

Measurement deviation

Length

%

±0.50

-0.24~0.09

Pass

Width

%

±0.50

-0.24~0.16

Pass

Thickness

%

±10.0

3.4~6.9

Pass

Straightness of side

%

The excellent glade product±0.20

0.05~0.07

Pass

Rectangularity

%

The excellent glade product±0.30

0.04~0.06

Pass

Surface flatnes

The central bend degree

%

The excellent glade product≤0.9

0.3

Pass

The side bend degree

%

The excellent glade product≤0.8

0.2~0.3

Pass

The warp degree

%

The excellent glade product≤0.3

-----

Pass

The surface quality

-

Excellent product: At least 95% tiles no defect from 0.8 away uprightly

Accord

Pass

Water absorption

%

The average value E>10, single Value ≥9

14.914.6

Pass

Breaking strength

N

When the thick ≥7.5mm, the average value ≥600

978.4

Pass

Modulus of rupture

Mpa

The average value ≥15, Single Value ≥12

22.521.4

Pass

Resistance to thermal shock

-

Without crack and flaw after 10 times anti heat shock test

Accord

Pass

Resistance to glossiness

-

With any flaw and peel of the glaze through the anti glaze flaw test

Accord

Pass

The family chemical reagent proof

Grade

Not lower than GB grade

GA The GA grade

Pass

Pollution-proof ability

Grade

Not lower than 3th grade

5 The five grade

Pass

Packing and Marks

-

Must be allord with the provision of the 7th and 8th

Accord

Pass