NEN EN 438-2 : 2016

Cooperating organizations
National foreword
Foreword
Text of EN 438-2
1 Scope and field of application
2 References
3 Definition
4 Thickness
5 Appearance
6 Resistance to surface wear
7 Resistance to immersion in boiling water
8 Resistance to dry heat
9 Dimensional stability to elevated temperatures
10 Dimensional stability at 20 deg C
11 Resistance to impact by small-diameter ball
12 Resistance to impact by large-diameter ball (self
    supporting compact laminates)
13 Resistance to cracking (thin laminates)
14 Resistance to scratching
15 Resistance to staining
16 Resistance to colour change in xenon arc light
17 Resistance to colour change in enclosed carbon arc
    light
18 Resistance to cigarette burns
19 Resistance to cigarette burns (simulated test using
    electric heater)
20 Formability (Method A)
21 Formability (Method B)
22 Resistance to blistering (Method A)
23 Resistance to blistering (Method B)
24 Resistance to steam
25 Reaction to fire
26 Resistance to crazing (thick laminates)
27 Moisture resistance (double faced compact laminates)
Figures
1 Example of measuring equipment for warping
2 Type of apparatus for measuring abrasion resistance
3 Typical holding jig for determination of dimensional
    change
4 Impact tester (shown with spring compressor)
5 Support fixture for impact tester
6 Example of calibration graph relating actual force
    to scale value
7 Example of evaluation diagram for assessing the
    effect of impact blows with an impact tester
8 Resistance to impact by large-diameter ball
9 Clamping frame
10 Steel clamping device for testing resistance to
    cracking
11 Type of apparatus for measuring the resistance to
    scratching
12 Scratching point
13 Example of suitable viewing enclosure
14 Example of scratching test
15 Limit curves for standardization of diamond point
16 Test specimen
17 Heating element support (C) for cigarette test
18 Calibration block (E) for cigarette test
19 Apparatus cover (H) for cigarette test
20 Wiring diagram of control circuit (J) for cigarette
    test
21 Forming apparatus (radiant heat test) (Method A)
22 Forming apparatus (Method B)
23 Blister apparatus (Method B)
24 Apparatus for resistance to steam
National appendices
National appendix NA
National appendix NB

Provides the methods of test for determination of the properties of high-pressure decorative laminates.