Sylodyn Material Data Sheet
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1 ND Sylodyn Material Data Sheet Material Colour closed cellular polyurethane green Standard Sylodyn range Standard dimensions on stock Thickness:. mm with Sylodyn ND mm with Sylodyn ND Rolls:. m wide,. m long Stripes: max.. m wide, up to. m long Other dimensions (also thickness) as well as stamped and molded parts on request. NF NE ND Area of application Compression load (depending on form factor) Delection NC load limit (static plus dynamic loads) up to. N/mm ** up to. N/mm ** approx. %** approx. %** NB Load peaks (short term, infrequent loads) up to. N/mm ** approx. %**... load limit [N/mm ] Material properties Test methods Comment Tensile stress at break. N/mm DIN EN ISO 7-//* minimum value Elongation at break % DIN EN ISO 7-//* minimum value Tear strength N/mm DIN * minimum value Abrasion mm DIN load N, bottom surface Coeficient of friction (steel).7 Getzner Werkstoffe dry Coeficient of friction (concrete).7 Getzner Werkstoffe dry Compression set < % EN ISO 8 %, C, 7 h, minutes after unloading shear modulus. N/mm DIN ISO 87* at static load limit Dynamic shear modulus.7 N/mm DIN ISO 87* at static load limit Mechanical loss factor.8 DIN * depending on frequency, load and amplitude (reference value) Rebound elasticity 7 % DIN tolerance + /- % Operating temperature - to 7 C short term higher temperatures possible Flammability B class E DIN EN ISO 9- normal lammable EN - Speciic volume resistance > Ω cm DIN IEC 9 dry Thermal conductivity.9 W/[m K] DIN / Further characteristic values on request * Tests according to respective standards ** At form factor q= 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 Guidline Page.
2 Sylodyn ND Load delection curve Full surface bearing Form factor: q= Speciic load [N/mm ].8... mm mm 7. mm mm load limit Strip bearing Form factor: q= Speciic load [N/mm ].8... mm mm 7. mm mm load limit Point bearing Form factor: q=. Speciic load [N/mm ].8... mm mm 7. mm mm load limit Quasi-static load delection curve measured at a velocity of deformation of % of the thickness per second; testing between lat steel-plates; recording of the rd loading; testing at room temperature
3 Modulus of elasticity Natural frequency Form factor: q= Form factor: q= E-modulus [N/mm ]. Form factor: q= E-modulus [N/mm ]. Form factor: q=. E-modulus [N/mm ].. Hz Hz..8 Speciic load [N/mm ] Hz Hz..8 Speciic load [N/mm ] Hz Speciic load [N/mm ] Speciic load [N/mm ] Speciic load [N/mm ].8.. mm 7. mm. mm. mm Form factor: q=.8.. mm 7. mm. mm. mm Form factor: q=..8. Hz. mm. 7. mm mm....8 Speciic load [N/mm ]. mm 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 dbv re. -8 m/s; test according to DIN Natural frequency of a single-degree-of-freedom system (SDOF system) consisting of a ixed mass and an elastic bearing consisting of Sylodyn ND based on a stiff subgrade; parameter: thickness of elastomeric bearing
4 Vibration isolation eficiency Disturbing frequency [Hz] 8 - db/99 % - db/97 % - db/9 % Reduction of the transmitted mechanical vibrations by implementation of an elastic bearing consisting of Sylodyn ND Parameter: factor of transmission in db, isolation rate in % 8 - db/9 % - db/ % Creep behaviour Relative deflection [% of thickness with unstressed sample]. % load % load d m a a,,,,, Period of loading [h] Increase in deformation under consistent loading Parameter: permanent loading Form factor: q= Dynamic E-modulus at long term loading Dyn. E-modulus [N/mm ], h, h h Change of dynamic modulus of elasticity under consistent loading (at Hz) Parameter: load duration Form factor: q=. h..8 Permanent loading [N/mm ]
5 Temperature dependency Dyn. E-modulus [N/mm ] Hz Hz - - Temperature [ C] Temperature [ C].... Frequency dependency Dyn. E-modulus [N/mm ]. Dependency on amplitude Dyn. E-modulus [N/mm ] Hz.... Hz. Hz, Frequency [Hz] Speciic load [N/mm ] Mechanical loss factor Mechanical loss factor Dependency on loading velocity.8.. N/mm /s. N/mm /s, Frequency [Hz] DMA-test (Dynamic Mechanical Analysis); tests within linear area of the load delection curve, at low speciic loads DMA-tests; mastercurve with a reference-temperature of C; tests within the linear area of the load delection curve, at low speciic loads Dependency on amplitude: preload at static load limit; Form factor: q=, thickness of material mm Dependency on loading velocity: Form factor: q=, thickness of material mm Hz.. N/mm /s Amplitude [mm]
6 Form factor The form factor is a geometric measure for the shape of an elastomeric bearing deined as the ratio of the loaded area and the area of sum of the perimeter surfaces. Loaded area Deinition: Form factor = For a rectangular shape: q = (l..length, w..width, t..thickness) Loaded area Perimeter surface area I w t (I+w) Perimeter surface area Perimeter surface area The form factor has an inluence on the delection and the static load limit respectively. Elastic Sylodyn -bearings are considered as Full surface bearing: Form factor > Strip bearing: Form factor between and Point bearing: Form factor < Inluence of the form factor on the delection at the static load limit for a homogeneous material Reference value: Form factor q= Inluence of the form factor on the static load limit for a homogeneous material Reference value: Form factor q= Deviation of delection [%] % % % % Increase of delection load limit [N/mm ].. Increase of static load limit % % - % Decrease of delection - %. Form factor Form factor. Decrease of static load limit DB SN ND en Copyright by Getzner Werkstoffe GmbH l 9- We reserve the right to amend the data. AUSTRIA Bürs GERMANY Berlin Munich FRANCE Lyon JORDAN Amman JAPAN Tokyo INDIA Pune CHINA Beijing USA Charlotte
Sylodyn Material Data Sheet
NB Sylodyn Material Data Sheet Material Colour closed cellular polyurethane red Standard Sylodyn range Standard dimensions on stock Thickness:. mm with Sylodyn NB mm with Sylodyn NB Rolls:. m wide,. m
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