Sylomer® SR 11 SR11
Data Sheet

MaterialColour

mixed-cell PU elastomer(polyurethane)yellowStandard Sylomer® range
Static range of use
SR1200Standard delivery dimension
Thickness: 12.5 mm / 25 mm
Roll:
1.5 m wide, 5.0 m long
Strip:
up to 1.5 m wide, up to 5.0 m long

SR
850
SR
450
SR
220

Other dimensions, punched and molded parts on request.

SR110

Range of use

SR55

Compressive load Deformation
shape factor-dependent, values apply
to shape factor q = 3

Static range of use(static loads)

Dynamic range of use(static plus dynamic loads)

Load peaks(occasional, brief loads)

SR42up to 0.011 N/mm2approx. 7 %SR28up to 0.016 N/mm2approx. 20 %SR
18up to 0.5 N/mm2approx. 80 %0.011 N/mm2
10Material properties

0.01
0.001
Specific load in N/mm2

Test methods

Comment0.25

DIN 53513 1

temperature-, frequency-, specific load- and amplitude-dependent

Rebound resilience

40 %EN ISO 8307 1

0.01 N/mm2

EN ISO 844 1<5%EN ISO 1856

Compression set2

Static modulus of elasticity

30.06 N/mmat 10 % linear compression, 3rd load cycle
150 % deformation, 23 °C, 72 h, 30 min after removal of loadat specific load of 0.011 N/mm2

2

Dynamic modulus of elasticity 3

0.20 N/mm2DIN 53513 1

Static shear modulus

0.04 N/mm

2DIN ISO 1827

Dynamic shear modulus

0.10 N/mm2

DIN ISO 1827 1

Min. tensile stress at rupture

0.30 N/mm

EN ISO 527-3/5/500

Min. tensile elongation at rupture
Abrasion2

Coefficient of friction (steel)
Coefficient of friction (concrete)2

at specific load of 0.011 N/mm2, 10 Hz
at a pretension of 0.011 N/mm21at a pretension of 0.011 N/mm2, 10 Hz
1EN ISO 527-3/5/500 1250 %DIN ISO 4649 1load 2.5 N

0.5

Getzner Werkstoffedry, static friction≤ 1400 mm

30.7

Getzner Werkstoffedry, static friction

Specific volume resistance> 1010 Ω · cm

DIN EN 62631-3-1 1

dry

Thermal conductivity

0.045 W/(mK)DIN EN 12667

Temperature range-30 °C to 70 °C

Flammability
Measurement / evaluation in accordancewith the relevant standard
The measurement is performed on adensity-dependent basis with differing
test parameters
3Values apply to shape factor q = 3
20.1

Mechanical loss factor

Compression hardness 311SR
11class E

short term higher temperatures possible
EN ISO 11925-2

normal combustible, EN 13501-1

All information and data is based on our current knowledge. The data can be applied for calculations and asguidelines, are subject to typical manufacturing tolerances and are not guaranteed. Material properties as wellas their tolerances can vary depending on type of application or use and are available from Getzner on request.
Further information can be found in VDI Guideline 2062
(Association of German Engineers) as well as in glossary.
Further characteristic values on request.

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1

Sylomer® SR 11 SR11

Specific load in N/mm2

Load deflection curve
0.020

Quasi-static load deflection curvemeasured with a loading rate of
0.0011 N/mm2/s.

12.5 mm

0.018

25 mm
37.5 mm

0.016

50 mm

0.014
0.012
0.010
Static range of use

0.008
0.006
0.004

Dynamic range of use

0.011 N/mm2

Testing between flat and plane-parallel steel plates, recording of 3rd load,with filtered starting range in accordance with ISO 844, testing at room
temperature.
Shape factor q = 30.002
0012345678910Deflection in mmFig. 1: Quasi-static load deflection curve for different bearing thicknesses

Modulus of elasticity

Modulus of elasticity in N/mm2

Dynamic range of use
Static range of use
0.60.011 N/mm2

Quasi-static modulus of elasticity as
tangential modulus from the load
deflection curve. Dynamic modulusof elasticity from sinusoidal excitation with a velocity level of 100 dBv
re. 5 · 10-8 m/s corresponding to avibration amplitude of 0.22 mm at
10 Hz and 0.08 mm at 30 Hz.

30 Hz

0.50.4
10 Hz0.3

Quasi-static0.2

Measurement in accordance withDIN 53513

0.1

Shape factor q = 3000.004

0.008

0.012

0.016
0.020
Specific load in N/mm2

Fig. 2: Load dependency of the static and dynamic modulus of elasticity

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Specific load in N/mm2

Natural frequencies
0.020

Natural frequencies of a vibratory
system with a single degree of freedome, consisting of a mass and anelastic bearing made ofSylomer® SR 11 on a rigid surface.

0.018
0.016
0.014
0.012
0.010
Static range of use

25 mm
0.008

37.5 mm
50 mm

0.0060.004

Dynamic range of use

0.011 N/mm212.5 mm

Parameter: thickness ofthe Sylomer® bearing
Shape factor q = 3

0.002
0510152025
Natural frequency of the system in Hz

Fig. 3: Natural frequencies for different bearing thicknesses

Disturbing frequency in Hz

Vibration isolation efficiency
100Reduction of the transmitted mechanical vibrations by implementation of an elastic bearing consistingof Sylomer® SR 11 based on a stiff
subgrade.

-40 dB/99 %90-35 dB/98 %-30 dB/97 %80-25 dB/94 %70-20 dB/90 %60-15 dB/82 %Parameter: factor of transmission
in dB, isolation rate in %50-10 dB/69 %40-5 dB/44 %0 dB/0 %30
201005101520
25
Natural frequency of the system in Hz

Fig. 4: Factor of transmission and isolation rate

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3

Change in deflection in %Specific load in N/mm2

Influence of the shape factor
The graphs show the material properties at different shape factors.
0.013

0.012

0.01125 %20 %
15 %

10 %
5%

0.010

0%
0.009
-5 %
-10 %

0.008
0.3

13

6
Shape factor

0.3

Change in natural frequencies in %

-10 %

-20 %

5%

0%

-5 %

-10 %

-15 %

-30 %

-40 %

-20 %
0.3

136
Shape factor

Fig. 7: Dynamic modulus of elasticity 4 at 10 Hz in
relation to the shape factor

40.3

13

6
Shape factor

Fig. 8: Natural frequency 4 in relation to the shape factor

Reference values: specific load 0.011 N/mm2, shape factor q = 3

Material properties can be determined using the online calculation program FreqCalc.
The program can be accessed via www.getzner.com (registration necessary).

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46Shape factor

DB SR 11 en © Copyright by Getzner Werkstoffe GmbH l 06-2019
We reserve the right to amend the data.

Change in dynamic modulus of elasticity in %0%3Fig. 6: Deflection 4 in the relation to the shape factor

Fig. 5: Static range of use in relation to the shape factor

10 %1