Color: White/Yellow/Grey/red/Brown

 Surface Treatment: Flat/Grooved/Sanded/Glazed/Strip-line/Wood Grain/Corrugated

 Length: 250-1500mm 

 Width: 150-600mm 

 Thickness: 18mm or 30mm

 Width: 100-200mm

 Thickness: 10-15mm 

 Length: 250-1500mm

 Width: 150-600mm 

 Thickness: 10-15mm 

CHARACTERISTIC

LOPO Specification

Reference Standard

Dimensions and Surface Quality

Length

±1%/max.(L:±1mm; W:±1.5mm)

ISO10545-2

Thickness

±10%/max.±1.0mm

Straightness of Sides

±0.5%/max.(L:±2mm; W:±0.5mm)

Rectangularity

±0.5%/max.±2mm

Surface Flatness(curvature and warpage)

±1%/max.±2.5mm

Centre

±1%/max.±2.5mm

Side

±1%/max.±2.5mm

Warpage

/

Surface Quality

Crack

0

ISO10545-2

Scratch

No obvious flaw is visually inspected from a distance of 

1.5metres while the tile is hanging vertically.

Color Difference

No obvious flaw is visually inspected from a distance of 

1.5metres while the tile is hanging vertically.

Stains

No obvious flaw is visually inspected from a distance of

 1.5metres while the tile is hanging vertically. 

Number permitted≤3

Striation

No obvious flaw is visually inspected from a distance of 

1.5metres while the tile is laid flat

Chipped Edge(Length/Width/Thickness)

Front: max.(w≤1mm, T≤1mm, L≤3mm);

Back: max.(w≤2mm, T≤1mm, L≤5mm);

Chipped Corner(Length/Thickness)

Front: max.(T≤2mm, L≤2mm);

Back: max.(T≤2mm, L≤4mm);

Physical Properties

Water Absorption

Average: E≤6%; Individual max. Value: E≤6%

ISO10545-3/AS 4459.3

Density

2.3--2.4g/cm³

ISO10545-3/AS 4459.3

Dry Weight

31kg/m2(T18mm)

Compressive Strength

Average 81.4MPa and 11.8psi(Vertical Coring)

ASTM C126-3

Impact Resistance (Coefficient of restitution)

0.47

AS 4459.5

Modules of Rupture

Average 14.5MPa

AS 4459.4

Breaking Strength

/

/

Thickness≤18mm

Average≥2700N; Individual max.value≥2100N

ISO10545-4

18mm

Average≥5400N; Individual max.value≥4500N

ISO10545-4

Frost Resistance

No visible damages after 25 changes of freezing 

and thawing

ISO10545-12

Resistance to Thermal Shock

Free from defects after 10 cycles

ISO10545-9/AS 4459.9

Thermal Conductivity

Thickness≤18mm

≤0.35w/(m . k)

ISO10545-8

18mm

≤0.47w/(m . k)

Moisture Expansion

0.007%

ISO10545-10

Wind Load

9Kpa

ASTM E330

Linear Thermal Expansion

5.46x10ˉ⁶Cˉ¹

ISO10545-8

Chemical Properties

Resistance to Low Concentrations of Acids

 and Alkalis

Not Lower than the requirements of ULB

ISO10545-13