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Parameters


Requirement contract between prEN13329 and GB/T18102-2000
Characteristic
Requirement of prEN13329 Ac3
Requirement of GB 18102-2000
Thickness of element, t
Δtaverage≤0.5mm,on nominal value tmax-tmin≤0.5mm
The same
Length of the surface layer, l
For the nominal values given, no measured value shall exceed; l≤500mm; Δl≤0.5mm; l>1500mm; Δl≤0.3mm/m

Δl≤1.0mm, Δl≤2.0mm

Width of the surface layer, w
ΔWaverage≤0.1mm, on nominal value Wmax-Wmin≤0.2mm
The same
Squared of the element, q
Δl, ΔWaverage≤0.1mm, on nominal value l, Wmax l, Wmin≤0.2mm
No requirement
Straightness of the surface layer, s
qmax≤0.2mm
The same
Flatness of the element, f
Maximum single values: fw,concave≤0.15% fw,convex≤0.20% fl,concave≤0.50% fl,convex≤1.00%
The same
Openings between elements, o
Oaverage≤0.15mm, Omax≤0.2mm
The same
Height difference between elements, h
haverage≤0.1mm, hmax≤0.15mm
The same
Dimensional variations after changes in relative humidity, &l, &w
&laverage=&waverage≤0.9mm
No requirement


Abrasion classes contract between prEN13329 and GB/T18102-2000
Abrasion Class
21
22
23
31
32
33
Label
GB/T

AC1

AC2
AC3
AC3
AC4
AC5
prEN13329

≥900

≥1800
≥2500
≥3000
≥4000
≥6500
18102-2000
≥6000rounds
≥6000rounds
≥6000rounds
≥9000rounds
≥9000rounds
≥9000rounds
Suitable usage
General residential
Moderate residential
Heavy residential
General commercial
Moderate commercial
Heavy commercial
Examples for use
Bedroom Guest room
Living Dinning room
Kitchen Hall
Hotel Office
Stores Department
Stations Square


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