Specification
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Kömmerling USA, Inc. • 3310 Stanwood Blvd., Huntsville, AL 35811 • 1-800-330-2239 • www.kommerlingusa.com
Technical Values — Europe
Properties Examination Method Unit Values Values Values
4, 5 and 6 mm 8, 10 and 13 mm 19, 24 and 30 mm*
Mechanical
Apparent density DIN 53 479 g/cm
2
0.85 0.55 - 0.60 0.55 - 0.60
Tensile strength DIN 53 455 N/mm
2
20 15 —
Elongation at tear DIN 53 455 % 30 20 —
Flexural strength DIN 53 452 N/mm
2
30 30 20
Compressive strength DIN 53 421 N/mm
2
10 4 3.5
(range of elasticity)
Compressive stress for DIN 53 421 N/mm
2
20 9 5.5
compressive strain of 30%
Modulus of elasticity DIN 53 457 (similar to) N/mm 1100 850 1100
Impact strength: 20°C DIN 53 453 kJ/m
2
20 17 —
Impact strength: 0°C DIN 53 453 kJ/m
2
—15—
Impact strength: -20°C DIN 53 453 kJ/m
2
—13—
Ball pressure hardness DIN 53 456 N/mm
2
—20—
Shore hardness D DIN 53 505 55 75 77
Thermal
Vicat softening temp. DIN 53 460 °C 75 74
Temp. of deflection under DIN 53 461 °C 56 63
load acc. to ISO/R 75 (HDT)
Coefficient of linear thermal DIN 53 752 mm/m °C 0.08 0.08
expansion (-30°C to +50°C)
Thermal conductivity (0°C to +60°C) DIN 53 616 W/mK 0.10 ------------- 0.05 - 0.07 -------------
10mm 13mm 19mm 24mm DIN 52 616 W/m
2
K 10mm 13mm 19mm 24mm 30mm
30mm u-value (rate of heat transfer) 3.0 2.6 2.13 1.9 1.58
Electrical
Surface resistance DIN VDE 0303 T3 Ω >1•10
14
3.7 • 10
14
7.0 • 10
14
Volume resistivity DIN VDE 0303 T3 Ω x cm 4 • 10
15
4.4 • 10
15
6.0 • 10
15
Dielectric strength DIN VDE 0303 T2 kV/cm 100 48 48
Dielectric constant E EIN 53 484 T2 2.4 1.9 1.8
Dielectric dissipation factor DIN 53 483 T2 0.013 0.013 0.0084
Tracking resistance DIN IEC 112 CTI 600 CTI 600 CTI 600
Other
Fire behavior BS 476, Part 7, 1971 (UK) Class 1 (thickness 4 mm)
DIN 4102 (D) B 1 (thickness 4, 5, 6, 10 mm)
Italia (I) Class 1 Class 1 (thickness 10mm)
NFP 92-501 (F) M 1 (thickness 4, 5, 6, 10 mm)
UL 94 (USA) VO VO
VKF (Switzerland) 5.3 5.3 5.3
10mm 13mm 19mm 24mm 30mm
Valued sound insulation DIN 52 2120/84 dB — 3.0 2.6 2.13 1.9 1.58
measure Rw
Water absorption after 7 days DIN 53 495 % >0.2
Allowable for contact with foodstuff No No No
*The missing values of KOMACEL — 19/24/30 mm — cannot be determined in conformity with the standards by applying measurement techniques.
*These are standard values that apply to an average density. Small variations depending on the sheet thickness are not excluded.