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| ID Material | 29 |
|---|---|
| Responsable | R. Antich |
| Revision | 6 |
| Revision date | 01/08/2022 |
NT-DV
NT-DV is red molded friction material composed with fibres. It has excellent mechanical characteristics, high compression strength and resistant to high temperatures. Specially designed for hard working conditions. The material consists phenolic resins with a NBR bonding system, short fibres, friction modifiers and fillers. NT-DV is fully cured and suitable for bonding and riveting.
Material data
Friction properties
| Static Friction Coefficient (@15bar, from the box) | 0.55±0.05 μ |
|---|---|
| Static Friction Coefficient (@15bar, 100ºC) | 0.59±0.05 μ |
| Dynamic Friction Coefficient (10bar, 10m/s) | 0.50±0.05 |
| Wear Rate (@10bar, 15m/s) | 25 (at 150 ºC) |
| Tº Fading (@10bar, 10m/s) | >350 °C |
Physical properties
| Hardness (DIN53505) | 85±5 Shore-D |
|---|---|
| Specific Gravity (ASTM D792) | 1.9±0.05 gr/cm3 |
| Ignition Loss (ASTM D7348) | 40±2 % |
| Thermal Conductivity (ASTM E1952) | 0.27±0.1 W/m°K |
Mechanical properties
| Tensile Strength (ASTM D638) | 30±5 N/mm² |
|---|---|
| Compressive Strength (ISO 844:2014) | 175±5 N/mm² |
| Shear Modulus (ASTM D2344-00) | 3390±100 N/mm² |
| Poison coefficient (ASTM D638) | 0.24±0.03 |
| Young Modulus (ASTM D638) | 8400±100 N/mm² |
Recommended Working Values
| Tº Max. Continuous Operation | 300 °C |
|---|---|
| Tº Max. Intermittent Operation | 400 °C |
Material type
Rigid
Appearance / Formats
Applications
Brake blocks · Forging machinery · Heavy duty static applications · Industrial clutches · Punch-die press blocks · Rings segments for machinery · Torque limitator
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
