ISOLGRAN NO VIBRO LD 25 RK

Technical Data Sheet

Specifications

Anti-vibration in the thickness panels of 25 mm composed of PFU rubber granules, hot pressed with polyurethane glue.

Area of application

Vibration isolation in railway and tramway structures like elastomeric pad under slab in reinforced concrete and under ballast.

Mechanic Body Features

Nominal thickness mm 25 ±5% ±5%
Length m 1,20 ±1% Black
Width m 1,00-2,00 ±1% Black
Density (without backing) Kg/m3 580 ±5% Black
Coloration dB Black Black

Technical Features

Description UDM Value Tolerance Normative references
Static Stiffness kS N/mm3 0,059 ±10% UNI 11059
Dynamic Stiffness kd N/mm3 0,096 ±10% UNI 11059
Semi Static Stiffness kqs ) N/mm3 0,038 ±10% UNI 11059

Long-term Stress Tests

Deformation 1/2h Deformation 24h
εr= 3,3 %< 10% εr= 2,0 %< 6%

Fatigue Tests

Description UDM Value Normative references
Change semi-static stiffness after 3 × 106 cycles % 10≤20 UNI 11059