Technical Standard of Porcelain Tile

Product standards

Test Value

Water absorption

<=0.5%

<=0.35%

Breaking strength

Rupture modulus

>=1300N

>=27MPa

>=1700N

>=33MPa

Length

+-0.6%

+-0.5%

Width

+-0.6%

+-0.5%

Surface smoothness

+-0.5%

+-0.5%

Edge straightness

+-0.5%

+-0.5%

Squareness

+-0.6%

+-0.5%

Wearing strength

<205m³

<180m³

Linear thermal expanse on coefficient

<9*10^-6K^-1

<8*10^-6K^-1

Thermal versatility

No crackle and crack after rapid cooling and rapid heating cycle for 10 times

No crackle and crack after rapid cooling and rapid heating cycle for 10 times

Frost resisting property

No crack spalling after frost resistance

No crack spalling after frost resistance

Radioactivity

1Ra<=1  1R<=1.3

1Ra<=0.8  1R<=1.0