Our First encounter with the Carbon Conductive Grease
The 846-80G Carbon Conductive Grease has been a reliable choice for maintaining stable electrical connections in my projects. Its silicone base offers smooth lubrication while ensuring consistent conductivity, which is crucial for switches and contacts prone too vibration or wear. I've used it in humid environments, and it effectively repels moisture, preventing corrosion and extending the lifespan of components. The greasy texture fills gaps between irregular surfaces, creating a reliable ground path without compromising performance. however,I've noticed it can migrate slightly under prolonged use,which might require periodic reapplication in some cases.
One standout feature is its wide temperature range, operating from -68°C to 200°C, making it suitable for extreme conditions.The volume resistivity of 117 Ω·cm ensures it's not too conductive for everyday use, while the 8.57 mS/cm conductivity is sufficient for grounding needs.I appreciate the 5-year shelf life and compact 80g tube, which is easy to handle and store. The coverage area of 28,600 sq cm at 25 micrometer thickness is impressive, though I'd recommend checking applicability for high-temperature bonding.
For a non-bleeding alternative, the 847-25ML is worth considering, but this grease excels in cost-effectiveness and versatility. It's ideal for EMI shielding and grounding applications where simplicity and durability are key. The only minor drawback is its potential for migration, though this is manageable with proper submission techniques.
Key Features | Pros | Cons |
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Conductive silicone base Lubrication + grounding Corrosion & humidity protection EMI shielding Service temperature: -68°C to 200°C 5-year shelf life Coverage: 28,600 sq cm (25 µm) |
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Key Features That Define Its Value
the 846 Carbon Conductive Grease is a reliable solution for ensuring smooth, conductive operation in tight electrical connections. I found it especially effective for sliding parts and irregular surfaces, where it fills gaps and maintains consistent grounding without drying out. Its ability to resist corrosion and humidity makes it a great choice for harsh environments, and I appreciated how it protected switches from arcing and pitting over time. The wide temperature range, from -68°C to 200°C, allows it to perform in both extreme cold and heat, which is a big plus for industrial applications.
The grease's volume conductivity of 8.57 mS/cm provides dependable electrical continuity,even under vibration or motion. I noticed it worked well in EMI shielding scenarios, bridging gaps where other materials failed. Its 5-year shelf life and lightweight tube (2.82 ounces) make storage and handling convenient, though I would have liked a more precise specification for its coverage area. While it's not non-bleeding, it's still a cost-effective option compared to alternatives, especially for high-volume use.
It's ideal for maintaining electrical performance in switches, relays, and connectors, but the service temperature range might be narrower than some competitors. still, its durability and ease of application make it a solid choice for many applications. The compact size and clear instructions on the label are practical, and the product's effectiveness in preventing hotspots and welds has been a game-changer in my projects.
Key Features | Pros | Cons |
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Conductive Silicone Base | Excellent conductivity (8.57 mS/cm) Corrosion & humidity resistance 5-year shelf life |
Not non-bleeding/non-migrating |
Wide Temperature range | Functions from -68°C to 200°C Stable in extreme weather conditions |
Storage temp limited to 40-104°F |
High Coverage Capacity | Covers up to 28,600 sq cm at 25 micrometer thickness | May require more frequent reapplication in high-stress areas |
Hands-On Testing and Real-World Performance
This grease has been a reliable solution for ensuring smooth, durable electrical connections in tight spaces. I used it on a project involving sliding contact points, and it effectively reduced resistance while preventing corrosion and moisture buildup. Its conductive properties were especially handy for EMI shielding, as it maintained continuity even on uneven surfaces. The wide service temperature range, from -68°C to 200°C, made it suitable for both harsh and temperate environments, and the non-bleeding formula avoided messy residue over time.
The product's ability to bridge gaps between loose or vibrating components was impressive, eliminating the need for frequent maintenance. It's great for applications where grounding is critical, like switches or connectors, and the 5-year shelf life provides long-term value. Though, the tube size is quite large for smaller projects, and the volume resistivity of 117 Ω·cm might not be ideal for ultra-low resistance requirements, though it's adequate for most industrial uses.
the 80g tube offers a generous amount for heavy-duty applications, and the compact tube design makes it easy to handle. It's also a cost-effective option compared to specialized conductive compounds, which is a major plus for budget-conscious buyers. On the flip side, the lack of a product summary and the need to rely on details from the description could be a minor inconvenience for someone seeking more information. Still, the balance of features and performance makes it a solid choice for its intended purpose.
key Features | Pros | Cons |
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Expert Insights and Recommendations
I've used this Carbon Conductive Grease for securing electrical connections in tight, irregular spaces. It's a game-changer for preventing arcing and hotspots-my switches ran smoother and more reliably after applying it. The grease feels tacky but not overly sticky,making it easy to spread without leaving residue. Its ability to repel moisture kept my components safe in a humid workshop, and I appreciated the 5-year shelf life. While it's heavier than some alternatives, the robust conductivity (8.57 mS/cm) makes it worth it for critical applications like EMI shielding.
The product handles extreme temperatures well, from -68°C to 200°C, which is perfect for both industrial and automotive projects. I used it on pitted terminals and saw immediate improvement in contact continuity. The inclusion of carbon particles ensures grounding without compromising the grease's protective qualities. However, the 80g tube size might be limiting for large-scale use, and I'd prefer a more precise applicator for smaller gaps.
it's a dependable choice for maintaining electrical integrity in tough environments. The corrosion-resistant formula and non-migrating properties simplify maintenance, though it's not as ideal as the 847-25ML variant for applications requiring minimal leakage. With a 5-year shelf life and consistent performance across temperature extremes, it's a solid investment for anyone working with electrical systems.
Key Features | Pros | Cons |
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Electrically conductive silicone base |
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Prevents arcing, pitting, and hotspots |
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Volume resistivity: 117 Ω·cm |
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Service temp range: -68°C to 200°C |
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Final Verdict and User Takeaway
The 846-80G Carbon Conductive Grease is a game-changer for ensuring reliable electrical connections in tight or irregular spaces. I've used it on switches and connectors that were prone to sparking or poor contact, and it instantly improved conductivity without leaving residue.Its ability to repel humidity and prevent corrosion was especially useful in harsh environments, like outdoor equipment. The grease stays put even under vibration, so I no longer worry about loose contacts causing intermittent failures.It's easy to apply with a tube, and the stickiness ensures it doesn't migrate, which is a big plus for long-term use.
With a wide service temperature range from -68°C to 200°C, it's versatile for both extreme cold and high-heat applications. I appreciated the 5-year shelf life and the compact 80g tube, which is ideal for small projects. The low volume resistivity of 117 Ω·cm means it's effective for EMI shielding, and the 8.57 mS/cm conductivity proved it's a solid choice for grounding needs. Though the coverage area is limited for thin layers, it's still sufficient for most tasks. The only downside is that it's not suitable for applications requiring non-migrating properties, which leads me to recommend the 847-25ML for those cases.
Feature | Pros | Cons |
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Conductive Properties | ✔️ High volume conductivity (8.57 mS/cm) for reliable grounding ✔️ Low volume resistivity (117 Ω·cm) for EMI shielding |
❌ Not suitable for non-migrating applications |
Environmental protection | ✔️ Inhibits corrosion ✔️ Repels humidity ✔️ Resists arching and hotspots |
❌ Limited coverage for very thin applications |
Temperature Range | ✔️ Operates from -68°C to 200°C ✔️ Stable in extreme conditions |
❌ Storage requires 40-104°F (not ideal for freezing climates) |
Application | ✔️ Lubricates sliding contacts ✔️ Works on pitted or irregular surfaces ✔️ Versatile for switches,connectors,and components |
❌ May not be suitable for high-frequency contact areas |
Physical Attributes | ✔️ Non-bleeding formula ✔️ Compact 80g tube for portability |
❌ Slightly heavier than some alternatives |
Seize the Opportunity
Conclusion: the MG Chemicals - 846-80G carbon Conductive Grease stands out as the surprising choice for tech efficiency due to its unique ability to enhance electrical connectivity while offering robust protection against corrosion and humidity. Its wide service temperature range and non-migrating properties make it ideal for demanding applications, ensuring reliable performance without compromising on durability. Whether you're working with switches, contacts, or EMI shielding, this product provides a cost-effective solution that combines lubrication and conductivity seamlessly. For optimal results, choose the 846-80G to bridge gaps and maintain continuity in irregular surfaces, making it an indispensable tool for precision engineering.

MG Chemicals - 846-80G Carbon Conductive Grease, 80g Tube
key Benefit: Enhances electrical connections, prevents corrosion, and offers superior EMI shielding with a wide temperature range of -68°C to 200°C.
Experience: After hands-on use, the build quality stands out with a solid feel and intuitive controls. The design fits comfortably in daily routines, making it a reliable companion for various tasks.
Key Features | Durable build, user-friendly interface, efficient performance |
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Recommendation: Ideal for users seeking a blend of performance and style in everyday use. The product excels in reliability, though those needing extended battery life may want to consider alternatives.