Farrat
ANTI VIBRATION MATERIALS
Farrat Isolevel Ltd.
Balmoral Road, Altrincham, Cheshire WA15 8HJ.
England GB
Phone: +44 (0)161 924 1600
Fax: +44 (0) 161 924 1616
email: sales@farrat.com
www.farrat.com
NBR
Description: An elastic vibration damping material with high shock and vibration damping
NBR 40-8, NBR 60-8, NBR 70-8, NBR 70-15, NBR 70-25, NBR 80-25 Tread both sides (T2)
NBR 70-5P1, NBR 70-15P1 Tread one side, Plain for adhesive bonding
Applications
Passive Isolation
e.g. Sensitive equipment such as scientific, measuring and test equipment.
Active Isolation
e.g. Pumps, compressors, power presses, forging machines, diesel generators, Hydraulic equipment, granulators, material handling equipment
Construction
Moulded from high grade nitrile (NBR) rubber in various hardnesses to suit desired natural frequency and isolation efficiency.
Oil and Chemical Resistance: Excellent
Full chemical resistance, table available on request
Damping C/Cc: 0.09
Coefficient of Friction (dry): 0.8-0.9
Ratio Dynamic to Static Modulus: 4
Working temperature range deg. C: - 30 to + 120
Standard Sheet Sizes: 1000 x 500mm plus Strips and Pads
Cut with bandsaw or waterjet; Holes: drill or punch
| NBR | |||||||
|---|---|---|---|---|---|---|---|
| Hardness | Thickness | Compr. Modulus | Max. Loading Pressure |
Specific Static Spring const | |||
| Irhd | Ecs | SSPC* | |||||
| mm | Tread | N/mm2 | N/mm2 | kg/cm2 | N/mm/mm2 | ||
| NBR | 40 | 8 | T2 | 3.4 | 0.5 | 5 | 0.43 |
| NBR | 60 | 8 | T2 | 7 | 1 | 10 | 0.88 |
| NBR | 70 | 8 | T2 | 12 | 1.5 | 15 | 1.50 |
| NBR | 70 | 15 | T2 | 12 | 1.5 | 15 | 0.80 |
| NBR | 70 | 25 | T2 | 12 | 1.5 | 15 | 0.48 |
| NBR | 80 | 25 | T2 | 28 | 2 | 20 | 1.12 |
| NBR | 70 | 5 | P1 | 16 | 1.5 | 15 | 3.20 |
| NBR | 70 | 15 | P1 | 16 | 1.5 | 15 | 1.07 |
*SSPC Specific static spring constant.
Tread Key:
T2 Tread both sides
P1 Tread one side