Molykote® TP-42 – Light-Colored Paste Adhesive Grease Solid Lubricants Metallic Friction Combinations Lubricant Product
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Molykote® TP-42 is a high-load, adhesive lubrication paste formulated for metallic friction surfaces operating under extreme pressure, vibration, and exposure to water or metalworking emulsions. It provides consistent torque transmission, prevents stick-slip, and supports reliable assembly and disassembly in precision clamping and sliding applications.
products parameters
| Composition: | Silicone Grease |
| Appearance: | Light Beige |
| Density At 20°C: | 1.19 g/ml |
| Drop Point: | 125°C |
| Service Temperature Range: | -25 To +250 °C |
| Packaging: | 1kg |
key features
High Load Capacity – EP performance verified using Four-Ball Extreme Pressure testing shows a weld load above 3000 N, demonstrating the paste’s ability to withstand severe point-contact pressures without film collapse. The high weld load ensures safe lubrication during heavy tightening operations and prevents micro-seizure in contact zones.
High Adhesion Strength – Adhesive persistence quantified through vibration-shear adhesion tests indicates film retention of more than 90 percent after exposure to oscillation levels exceeding 20 Hz for extended durations. This high retention rate allows the lubricant film to resist displacement on vertical or reciprocating metal surfaces.
Water and Emulsion Resistance – Water washout testing at 79°C shows mass loss values significantly below standard limits, often under 3 percent, proving strong resistance to coolant and machining emulsions. The Molykote® TP-42 paste maintains lubrication even after prolonged immersion or direct coolant spray.
Stable Friction Control – Tribological evaluations on linear reciprocating testers reveal a friction coefficient stability range tightly controlled between 0.08 and 0.12 under loads above 1500 N. The minimized Δμ ensures smooth sliding without torque jumps. This level of friction stability directly prevents stick-slip events, improving motion uniformity in sliding or threaded connections.
Corrosion Protection – Corrosion resistance validated through salt-spray testing for durations exceeding 96 hours shows negligible surface rust formation on treated specimens. High-humidity chamber testing at 40°C and 95 percent relative humidity further confirms the film’s ability to protect metallic substrates from oxidation. These results demonstrate long-term reliability when equipment operates in moisture-rich or coolant-exposed environments.
Metalworking – Molykote® TP-42 is ideal for precision fixtures, clamps, and sliding guides in machining environments where high contact pressures occur. It ensures stable torque application during setup and allows reliable disassembly even after long machining cycles exposed to coolant and emulsion spray.
Machinery Manufacturing – The paste supports threaded assembly, press-fit joints, and metallic sliding rails in equipment production lines. Its consistent friction behavior improves torque accuracy across repeated tightening sequences, reducing assembly variance and improving mechanical reliability in production conditions.
Machine Tool Industry – TP-42 is used on tool holders, spindle interfaces, alignment pins, and guide rails that experience constant vibration and high local stresses. It reduces seizure risk, facilitates smoother motion, and maintains protection during prolonged exposure to coolant and metalworking fluids.