SRSylomer SR 220 220
Data Sheet®

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

Standard delivery dimension
Thickness: 12.5 mm / 25 mm
Roll:		1.5 m wide, 5.0 m long
Strip:		 max. 1.5 m wide, up to 5.0 m long

SR850
SR
450

Other dimensions, punched and molded parts on request.

Range of use

Compressive loadSR
220

0.22 N/mm2SR
110

DeformationSR
55

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

Static range of use(static loads)

Dynamic range of use(static plus dynamic loads)SR
42up to 0.22 N/mm2approx. 10 %SR
28

up to 0.35 N/mm2

approx. 20 %SR
18

up to 4.0 N/mm2approx. 65 %SR
11Load peaks(occasional, brief loads)

10

Material properties
Rebound resilience

Static modulus of elasticity

3EN ISO 8307
EN ISO 844 1< 5%EN ISO 1856

1.47 N/mm

at 10 % linear compression, 3rd load cycle
50 % deformation, 23 °C, 72 h, 30 min after removal of load1

at specific load of 0.22 N/mm2

22.58 N/mm2

DIN ISO 53513 1

at specific load of 0.22 N/mm2, 10 Hz

Static shear modulus

0.38 N/mm2

DIN ISO 1827

at a pretension of 0.22 N/mm2

Dynamic shear modulus

0.57 N/mm2

DIN ISO 1827 1

Min. tensile stress at rupture

1.20 N/mm2

EN ISO 527-3/5/500 1

170 %EN ISO 527-3/5/500 1

Abrasion 2
Coefficient of friction (steel)
Coefficient of friction (concrete)≤ 1000 mm31

at a pretension of 0.22 N/mm2, 10 Hz

DIN ISO 4649 1

load 10 N

0.5

Getzner Werkstoffedry, static friction

0.7

Getzner Werkstoffedry, static friction> 1010 Ω·cmDIN EN 62631-3-1 1

dryThermal conductivity

0.09 W/(mK)DIN EN 12667

Temperature range-30 °C to 70 °C

Specific volume resistance

Flammability
Measurement / evaluation in accordancewith the relevant standard
 he measurement is performed on aT
density-dependent basis with differing
test parameters
3
Values apply to shape factor q = 3
255 %0.22 N/mm21

Dynamic modulus of elasticity 3

Min. tensile elongation at rupture1

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

DIN 53513 1

Compression set

class E0.010.001
Specific load in N/mm2Comment0.13

20.1

Test methods

Mechanical loss factor

Compression hardness 31

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.

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1SRSylomer SR 220 220®

Specific load in N/mm2

Load deflection curve
0.40
12.5 mm

Quasi-static load deflection curvemeasured with a loading rate of0.022 N/mm2/s.

25 mm

0.35

37.5 mm
0.30

50 mm

0.22 N/mm2

Static range of use

0.20

0.15

0.100.05

Dynamic range of use

0.25

Testing between flat and plane-parallel steel plates, recording of 3rd load,with filtered starting range in accor­
dance with ISO 844, testing at room
temperature.
Shape factor q = 30012345678910Deflection in mmFig. 1: Quasi-static load deflection curve for different bearing thicknesses

Modulus of elasticity
Dynamic range of use
Modulus of elasticity in N/mm2

Static range of use

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.

50.22 N/mm2430 Hz
10 Hz
3Quasi-static

Measurement in accordance withDIN 53513

2Shape factor q = 3

1000.05

0.10

0.15

0.20

0.25

0.30

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

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20.35
0.40
Specific load in N/mm2

Specific load in N/mm2

Natural frequencies
0.40

Natural frequencies of a vibratory
system with a single degree of freedome, consisting of a mass and anelastic bearing made ofSylomer® SR 220 on a rigid surface.

0.35

0.30

0.22 N/mm212.5 mm
0.20

Static range of use

25 mm
0.15

37.5 mm0.1050 mm
0.05

Dynamic range of use

0.25

Parameter: thickness of ​the Sylomer® bearing
Shape factor q = 3

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 220 based on a stiff
subgrade.

90-40 dB/99 %80-35 dB/98 %-30 dB/97 %-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 %3020
100510152025
Natural frequency of the system in Hz

Fig. 4: Factor of transmission and isolation rate

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3

0.24

Change in deflection in %Specific load in N/mm2

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

0.22

0.20

0.18

70 %
60 %
50 %
40 %
30 %
20 %
10 %

0.160%
0.14-10 %0.3130.3

6Shape factor

10 %0%-10 %-20 %10 %5%0%-5 %-10 %-15 %-25 %13

6Shape factor

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

0.3

13

6
Shape factor

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

Reference values: specific load 0.22 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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DB SR 220 en © Copyright by Getzner Werkstoffe GmbH l 06-2019
We reserve the right to amend the data.

-20 %

0.3

46Shape factor

-30 %

-40 %

43Fig. 6: Deflection 4 in the relation to the shape factor

Change in natural frequencies in %Change in dynamic modulus of elasticity in %Fig. 5: Static range of use in relation to the shape factor1