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NYLON 6.6 (PA) BALLS
Semicrystalline thermoplastic Nylon 6.6 polymer balls, they provide low weight, high corrosion, wear and abrasion resistance. They are auto lubricant and with good ductility, toughness and electric insulating properties. Useful even for high temperature applications.
Applications
Special valves, low load bearings, flow meters, switches, handgrips, medical and industrial applications.
Technical name | Commercial name | Abbreviation | Molecular formula |
Polyamide | Nylon 6.6 | PA 66 | -OC-( CH2)4-CO-NH-(CH2)6-NH- |
Physical / Mechanical / Thermal / Electric / Magnetic Properties
Property | Symbol | U.o.M. | Type | Notes | Value |
Density | δ | g/cm3 | Physical | Room temp. | 1.11 |
Young's modulus | E | GPa | Mechanical | - | 2500 |
Friction coefficient | µ | - | Mechanical | Room temp. | 0.25 |
Water absorption | Aw | % | Physical | 24h | 2.10 |
Coefficient of linear thermal expansion | α | 10-6/ºC | Thermal | (ΔT=0-100°C) | 87.5 |
Thermal conductivity | λ | W/(m·K) | Thermal | Room temp. | 0.25 |
Electric resistivity | ρ | Ω*m*10-9 | Electric | - | > 1013 |
Relative magnetic permeability | µ | - | Magnetic | Diamagnetic | <1 |
Technical Data
Property | Type | U.o.M. | Values | U.o.M. | Values |
Hardness | Mechanical | Shore D | 75-85 | - | - |
Ultimate compressive strength | Mechanical | MPa | 86-103 | psi*103 | 12.4-15 |
Service temperature | Thermal | ºC | -30/80 | ºF | -22/176 |
Range
Diameters | U.o.M. | Diameters | U.o.M. | Precision Grade |
2.381- 350.000 | mm | 3/32 -14 | inch | 0 - I - II - III |
Corrosion Resistance
Nylon balls are insolvable into diluted mineral acids and in most organic acids. They are resisting to alkalis, petroleum products, greases, inorganic salt solutions, low gradation alcohols, motor oil, transmission fluids, methanol, ketones, esters. They do not resist to strong acids and basis.