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| ID Material | 27 |
|---|---|
| Responsable | R. Antich |
| Revision | 6 |
| Revision date | 31/07/2021 |
GHFM
GHFM is a soft-flexible friction material that performs with a high friction coefficiency. Its flexibility allows it to work noiseless while producing a minimum wear on working surfaces. The material consists phenolic resins with a NBR rubber bonding system, short and brass fibres, friction modifiers and fillers. GHFM is fully cured and suitable for bonding and riveting.
Material data
Friction properties
| Static Friction Coefficient (@15bar, from the box) | 0.65±0.05 μ |
|---|---|
| Static Friction Coefficient (@15bar, 100ºC) | 0.50±0.05 μ |
| Dynamic Friction Coefficient (10bar, 10m/s) | 0.50±0.05 |
| Wear Rate (@10bar, 15m/s) | 30 (at 150 ºC) |
| Tº Fading (@10bar, 10m/s) | >350 °C |
Physical properties
| Hardness (DIN53505) | 55±5 Shore-D |
|---|---|
| Specific Gravity (ASTM D792) | 1.7±0.05 gr/cm3 |
| Thermal Conductivity (ASTM E1952) | 0.33±0.01 W/m°K |
Mechanical properties
| Tensile Strength (ASTM D638) | 3±1 N/mm² |
|---|---|
| Compressive Strength (ISO 844:2014) | 190±5 N/mm² |
| Shear Modulus (ASTM D2344-00) | 190±10 N/mm² |
| Poison coefficient (ASTM D638) | 0.34±0.03 |
| Young Modulus (ASTM D638) | 504±100 N/mm² |
Recommended Working Values
| Tº Max. Continuous Operation | 250 °C |
|---|---|
| Tº Max. Intermittent Operation | 350 °C |
Material type
Flexible
Appearance / Formats
Applications
Callipers for industrial applications · Heavy loaded Winches and Cranes · Static brakes
Price Level
€€€
Reach (EC)1907/2023 - RoHS 2015/863/EU
Compliance
Others
| Recommended Mating Surface | Perlitic cast iron, hardness HB150-200 |
|---|---|
| Recommended Adhesives | Thermosetting adhesive |
| Oil Resistant | Yes |
Charts
