About |
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Only NYLOIL from CAST NYLONS LIMITED offers various grades of self-lubricating Nylon bearing material tailored to meet your specific application. A cast nylon with built-in oil lubrication, NYLOIL provides superior machinability, performance, and durability compared to other plastic and traditional bearing materials. These grades of NYLOIL are available to fit the most demanding applications: original green NYLOIL for most bearing applications; food-grade, Natural NYLOIL-FG for direct contact with food. The incorporation of an oil lubricant package into the nylon matrix provides significant advantages over other bearing materials: Lubrication results in 25% lower coefficient of friction than other grades of nylon Performs in harsh environments where lubrication is difficult, impossible or not desirable (food contact) Works successfully in marine applications. Reduced water absorption promotes higher dimensional stability. Works and machines as easily as brass. Oil will not spin out, dry out, or drain out, even under the harshest operating conditions. During NYLOIL’s manufacturing process, an oil lubricant package is completely dispersed within the cast nylon matrix, making it an integral part of the casting’s structure. NYLOIL-FG is a self lubricating nylon bearing material which meets the provisions of FDA Regulations 21 CFR, Section 177.15 (and others) and USDA 3A Sanitary Standards 20-17 for direct contact with food. This is a particularly useful material where additional lubrication is not desirable because of clean ability, contamination, or other considerations. Dimensional Stability With their higher crystallinity, all NYCAST products exhibit improved dimensional stability compared to their extruded nylon counterparts. But NYLOIL provides even better dimensional stability than regular grades of cast nylon: Its oil droplets fill gaps in the amorphous structure of the polymer, allowing less room for water to be absorbed into these areas. The moisture absorption graph shows that despite a slow absorption rate, NYLOIL stabilizes at approximately 2.5% moisture content – less than half the moisture content of other unfilled nylons.&& |
Product Description | |
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Generic | PA6 |
Material Status | Commercial: Active |
Features | Good Dimensional Stability,Low or no water absorption,Low coefficient of friction,Machinable,Food contact compliance,Self-lubricating,Lubricating,Durability |
Availabilitys | North America |
Process Methods | casting |
Technical Data | |||
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PHYSICAL | Nominal value | Unit | Test method |
Density | 1.14 to 1.15 | g/cm³ | ASTM D792 |
Water absorption rate | ASTM D570 | ||
24hr | 0.50 to 0.60 | % | ASTM D570 |
saturated | 2.0 to 2.5 | % | ASTM D570 |
PV Limit(Unlubed) | 110 | MPa |
IMPACT | Nominal value | Unit | Test method |
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Impact strength of cantilever beam notch | 75 to 96 | J/m | ASTM D256 |
Tensile impact strength | 69.4 to 75.7 | kJ/m² | ASTM D1822 |
THERMAL | Nominal value | Unit | Test method |
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Hot deformation temperature | ASTM D648 | ||
0.45 MPa, unannealed | 204 to 221 | ℃ | ASTM D648 |
1.8 MPa, unannealed | 93.3 to 204 | ℃ | ASTM D648 |
Continuous use temperature | 110 | ℃ | ASTM D794 |
Melting temperature | 227 to 238 | ℃ | |
Linear coefficient of thermal expansion | |||
MD | 9.0E-5 | 1/℃ | ASTM D696 |
Operating temperature | |||
Intermittent | 166 | ℃ |
MECHANICAL | Nominal value | Unit | Test method |
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Rockwell hardness | |||
R-level | 100 to 115 | ASTM D785 | |
Tensile modulus | 2590 to 3280 | MPa | ASTM D638 |
tensile strength | 65.5 to 75.8 | MPa | ASTM D638 |
Tensile strain | |||
fracture | 45 to 55 | % | ASTM D638 |
Bending modulus | 2590 to 3280 | MPa | ASTM D790 |
bending strength | 96.5 to 110 | MPa | ASTM D790 |
Compression modulus | 1900 to 2590 | MPa | ASTM D695 |
compressive strength | |||
10% strain | 82.7 to 96.5 | MPa | ASTM D695 |
shear strength | 55.2 to 62.1 | MPa | ASTM D732 |
friction coefficient | |||
With oneself – dynamic | 0.12 | ASTM D1894 | |
Load deformation | 0.700 to 0.800 | % | ASTM D621 |
Wear factor | |||
K | 4.00 |
Notes |
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1. Typical properties: these are not to be construed as specifications. |
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