SR
Sylomer 450
Material Data Sheet
®
Material
Colour
mixed cellular polyurethane
grey
Standard Sylomer® range
Static range of use
Standard dimensions on stock
Thickness: 12.5 mm with Sylomer® SR 450 – 12
25 mm with Sylomer® SR 450 – 25
Rolls:
1.5 m wide, 5.0 m long
Stripes:
max. 1.5 m wide, up to 5.0 m long
SR
1200
SR
850
SR
450
0.45 N/mm2
SR
220
Other dimensions (also thickness) as well as stamped
and molded parts on request.
SR
110
Area of application
Compression load
SR
55
Delection
SR
42
depending on form factor, values apply
to form factor 3
Static range of use
up to 0.45 N/mm2
approx. 10 %
SR
28
up to 0.7 N/mm2
approx. 20 %
SR
18
up to 5 N/mm2
approx. 70 %
SR
11
(static loads)
Operating load range
(static plus dynamic loads)
Load peaks
(short term, infrequent loads)
10
Material properties
Mechanical loss factor
Rebound elasticity
Compression set
Static shear modulus
Dynamic shear modulus
Coeficient of friction (steel)
Coeficient of friction (concrete)
Abrasion
Operating temperature
= 0.11
Test methods
Comment
0.01
DIN 53513*
depending on frequency, load and amplitude
DIN 53573
tolerance +/- 10 %
<5%
EN ISO 1856
50 %, 23 °C, 70 h, 30 min. after unloading
0.58 N/mm2
DIN ISO 1827*
at speciic load of 0.45 N/mm2
1.0 N/mm2
DIN ISO 1827*
at speciic load of 0.45 N/mm2, 10 Hz
µS= 0.5
Getzner Werkstoffe
dry
µB= 0.7
Getzner Werkstoffe
dry
DIN 53516
load 10 N, bottom surface
400 mm3
-30 to 70 °C
DIN IEC 93
Thermal conductivity
0.1 W/(mK)
DIN 52612/1
B2
class E
0.001
Speciic load [N/mm2]
short term higher temperatures possible
> 1011 Ω·cm
* Tests according to respective standards
0.1
60 %
Speciic volume resistance
Flammability
1
DIN 4102
EN ISO 11925-2
dry
normal lammable
EN 13501-1
All information and data is based on our current knowledge. The data can be applied for calculations
and as guidelines, are subject to typical manufacturing tolerances and are not guaranteed. We reserve
the right to amend the data.
Further information can be found in VDI Guideline 2062 (Association of German Engineers).
Further characteristic values on request.
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1
SR
450
®
Sylomer
0.9
Figure 1: Quasistatic load delection
curve measured with a loading rate
of 0.045 N/mm2/s
12.5 mm
0.8
25 mm
37.5 mm
0.7
50 mm
0.6
0.5
Static range of use
0.45 N/mm2
0.4
0.3
0.2
Dynamic range of use
Speciic load [N/mm2]
Load delection curve
Testing between lat steel-plates;
recording of the 3rd loading;
testing at room temperature
Form factor 3
0.1
0
0
1
2
3
4
5
6
7
8
9
10
Delection [mm]
Modulus of elasticity
Modulus of elasticity [N/mm2]
Static range of use
12
Dynamic range of use
Figure 2: Load dependency of the
static and dynamic modulus of
elasticity
2
0.45 N/mm
Quasistatic modulus of elasticity as a
tangent modulus taken from the load
delection curve; dynamic modulus
of elasticity due to sinusoidal excitation with a velocity level of 100 dBv re.
5 · 10-8 m/s (equal to an oscillating
range of 0.22 mm at 10 Hz and
0.08 mm at 30 Hz, see also in the
glossary)
8
30 Hz
10 Hz
4
Quasistatic
Test according to DIN 53513
Form factor 3
0
0
0.1
0.2
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2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
Speciic load [N/mm2]
0.9
0.8
0.7
0.6
0.5
Static range of use
0.45 N/mm2
0.4
12.5 mm
37.5 mm
0.3
25 mm
50 mm
0.2
Dynamic range of use
Speciic load [N/mm2]
Natural frequency
Figure 3: Natural frequency of a
single-degree-of-freedom system
(SDOF system) consisting of a
ixed mass and an elastic bearing
consisting of Sylomer® SR 450
based on a stiff subgrade
Parameter: Thickness of
elastomeric bearing
Form factor 3
0.1
0
5
10
15
20
25
Natural frequency [Hz]
Disturbing frequency [Hz]
Vibration isolation eficiency
100
Figure 4: Reduction of the
transmitted mechanical vibrations
by implementation of an elastic
bearing consisting of Sylomer®
SR 450
90
-40 dB/99 %
80
-35 dB/98 %
-30 dB/97 %
-25 dB/94 %
70
60
-20 dB/90 %
50
Parameter: Factor of transmission
in dB, isolation rate in %
-15 dB/82 %
-10 dB/69 %
40
-5 dB/44 %
30
0 dB/0 %
20
10
0
5
10
15
20
25
Natural frequency [Hz]
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3
Figure 5: Static load range
Figure 6: Delection*
Speciic load [N/mm2]
Variation of delection [%]
Inluence of the form factor
In the igures below one can ind correction varying form factors.
0.55
0.5
0.45
0.4
70 %
60 %
50 %
40 %
30 %
20 %
0.35
10 %
0.3
0%
0.25
0.2
-10 %
0.1
0.5
1
3
Figure 7: Dynamic modulus of elasticity at 10 Hz*
10 %
0.1
0%
-10 %
-20 %
-30 %
0.5
1
10
Form factor
3
10
Form factor
10 %
5%
0%
-5 %
-10 %
-15 %
-40 %
-25 %
0.1
0.5
1
3
10
Form factor
-30 %
0.1
0.5
1
* Reference value: speciic load 0.45 N/mm2, form factor 3
AUSTRIA — Bürs GERMANY — Berlin — Munich FRANCE — Lyon
INDIA — Pune CHINA — Beijing USA — Charlotte
JORDAN — Amman JAPAN — Tokyo
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DB SR 450 en © Copyright by Getzner Werkstoffe GmbH l 09-2014
We reserve the right to amend the data.
-20 %
-50 %
4
3
Figure 8: Natural frequency*
Variation of the natural frequency [%]
Variation of the dynamic modulus of elasticity [%]
-20 %
10
Form factor