SRSylomer SR 1200 1200
Data Sheet®

MaterialColour

mixed-cell PU elastomer(polyurethane)wineredStandard Sylomer® range
Static range of use
SR
1200

1.2 N/mm2

Standard 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

SR850
SR
450
SR
220

Other dimensions, punched and molded parts on request.

SR
110

Range of use

Compressive load

Deformation

SR55

shape factor-dependent, values applyto shape factor q = 3

Static range of use(static loads)

Dynamic range of use(static plus dynamic loads)

Load peaks(occasional, brief loads)

up to 1.2 N/mm2

approx. 10 %SR28

up to 1.8 N/mm2approx. 20 %SR
18

up to 6.0 N/mm2

approx. 35 %SR11Material properties
Mechanical loss factor

0.11

Rebound resilience
Compression hardness 3
Compression set2

Static modulus of elasticity

1

Test methods

Comment

DIN 53513 1

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

60 %EN ISO 8307
EN ISO 844 1

9.37 N/mm

EN ISO 1856

25 % deformation, 23 °C, 72 h, 30 min after removal of loadat specific load of 1.2 N/mm2

DIN ISO 53513 1

Static shear modulus

0.94 N/mm

DIN ISO 1827

Dynamic shear modulus

1.28 N/mm2

DIN ISO 1827 1

Min. tensile stress at rupture

2.50 N/mm2

EN ISO 527-3/5/500 1

150 %EN ISO 527-3/5/500 1

Abrasion 2
Coefficient of friction (steel)
Coefficient of friction (concrete)≤ 350 mm31

at specific load of 1.2 N/mm2, 10 Hz
at a pretension of 1.2 N/mm2
at a pretension of 1.2 N/mm2, 10 Hz

DIN ISO 4649 1load 10 N

0.5Getzner Werkstoffedry, static friction

0.7

Getzner Werkstoffedry, static friction> 1010 Ω · cm

DIN EN 62631-3-1 1

dry

Thermal conductivity

0.14 W/(mK)DIN EN 12667

Temperature range-30 °C to 70 °C

Specific volume resistance

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

class E

0.01
0.001
Specific load in N/mm2

at 10 % linear compression, 3rd load cycle
1215.62 N/mm20.1

12Min. tensile elongation at rupture

2

10

1.08 N/mm2< 5%3

Dynamic modulus of elasticity 31SR42

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 as
guidelines, 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.

www.getzner.com

1SRSylomer SR 1200 1200®

2.412.5 mm

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

25 mm

2.037.5 mm
50 mm

1.6

1.2 N/mm2

Static range of use

1.20.80.4

Dynamic range of use

Specific load in N/mm2

Load deflection curve

Testing between flat and plane-parallel steel plates, recording of 3rd load,with filtered starting range in accordance with ISO 844, testing at roomtemperature.
Shape factor q = 30012345678910Deflection in mm

Fig. 1: Quasi-static load deflection curve for different bearing thicknesses

Modulus of elasticity in N/mm2Modulus of elasticity
Dynamic range of use
Static range of use
5045

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.

1.2 N/mm24035302520

Measurement in accordance withDIN 53513

30 Hz
1510 Hz10Quasi-static

Shape factor q = 3500

0.4

0.8

1.2

1.6Fig. 2: Load dependency of the static and dynamic modulus of elasticity

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22.0
2.4
Specific load in N/mm22.4

Natural frequencies of a vibratory
system with a single degree of freedome, consisting of a mass and anelastic bearing made ofSylomer® SR 1200 on a rigid surface.

2.0

1.6

1.2 N/mm212.5 mm

Static range of use

1.225 mm0.837.5 mm

50 mm

0.4

Dynamic range of use

Specific load in N/mm2

Natural frequencies

Parameter: thickness ofthe Sylomer® bearing
Shape factor q = 30510152025
Natural frequency of the system in HzFig. 3: Natural frequencies for different bearing thicknesses

Disturbing frequency in Hz

Vibration isolation efficiency
100-40 dB/99 %90

Reduction of the transmitted mechanical vibrations by implementation of an elastic bearing consistingof Sylomer® SR 1200 based on a stiff
subgrade.

-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 %3020100510152025
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.
1.5

1.2

0.9

160 %
140 %
120 %
100 %
80 %
60 %
40 %

0.6

20 %
0%

0.3

-20 %
0.3

13

0.3

6
Shape factorChange in natural frequencies in %

0%
-10 %
-20 %
-30 %

10 %

0-10 %

-20 %

-40 %
-30 %
-50 %
-60 %

-40 %
0.3

13

6
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 1.2 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 1200 en © Copyright by Getzner Werkstoffe GmbH l 06-2019
We reserve the right to amend the data.

Change in dynamic modulus of elasticity in %10 %3Fig. 6: Deflection 4 in the relation to the shape factor

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

20 %1