Lubricated Polyamide
Overview
Lubricated Polyamide is an engineering thermoplastic that combines the inherent strength of polyamides (nylon) with integrated lubricating agents. These additives significantly reduce the coefficient of friction while maintaining the material's structural integrity. The material is particularly valuable in applications where metal lubrication is impractical or where the 'self-lubricating' property can reduce maintenance requirements. Manufacturers typically incorporate solid lubricants like PTFE, graphite, or silicone oils during the compounding process.
Physical and Chemical Properties
The base polyamide (commonly PA6 or PA66) provides excellent mechanical strength and temperature resistance, while the lubricating additives lower the dynamic and static friction coefficients to 0.1-0.3 range depending on formulation. Key mechanical properties include tensile strength of 70-90 MPa, elongation at break of 20-50%, and Rockwell hardness of R110-R120. The material maintains these properties across a temperature range of -40°C to +120°C in continuous use, with short-term peaks to 150°C possible for some grades.
Main Applications
Industrial machinery represents the primary application area, particularly for components subject to sliding friction. Common uses include gear wheels in food processing equipment (where oil lubrication is prohibited), bearing cages in automotive applications, and wear strips in material handling systems. The automotive industry utilizes lubricated polyamide for seat adjustment mechanisms, window regulators, and pedal systems. In consumer products, it appears in zipper sliders, folding mechanisms, and other applications where silent operation and wear resistance are critical.
Safety and Storage
As a processed polymer, lubricated polyamide presents minimal health risks in its final form. However, dust generated during machining operations should be controlled through proper ventilation or wet methods to prevent respiratory irritation. Proper storage involves keeping the material in its original packaging until use to prevent moisture absorption (polyamides are hygroscopic). Bulk quantities should be stored on pallets in climate-controlled warehouses. Shelf life is typically 2-3 years when stored correctly below 40°C and 50% relative humidity.
B2B Procurement Guide
Industrial buyers should specify several key parameters when ordering lubricated polyamide: required coefficient of friction (static and dynamic), PV (pressure-velocity) limits, continuous operating temperature range, and any chemical exposure requirements. For molded parts, provide detailed drawings including wall thicknesses and gate locations. For raw material procurement, consider ordering from compounders who can provide batch-to-batch consistency testing. Minimum order quantities typically range from 500kg for standard grades to 50kg for specialty formulations.
Related Manufacturers
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