What are the causes of poor connections? Measures to prevent electrical troubles and the differentiation of grease usage.
Poor contact in connectors and terminals can lead to equipment shutdowns and electrical troubles.
The main causes of contact failure include:
- Oxidation and corrosion of terminals
- Moisture and condensation
- Wear due to vibration (fretting)
- Increased contact resistance
- Poor grounding
Particularly in automobiles, motorcycles, control panels, and industrial equipment, deterioration of contact points can often lead to sensor anomalies and poor conductivity.
As a countermeasure, it is important to use different greases according to the application.
【Contact Grease】
Designed for contact protection, it is effective in preventing oxidation, moisture, rust, and fretting.
【Conductive Grease】
Used for stabilizing conductivity, reducing contact resistance, and protecting grounding points.
M&M Co., Ltd. offers "M-CPG Contact Grease" for contact protection and "M-ELC Conductive Carbon Grease" for stabilizing conductivity.
If you are experiencing contact failures or electrical troubles, please feel free to consult us.

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Explaining the causes and countermeasures for poor contact points. We will clearly introduce the mechanisms of oxidation, dirt, and poor contact, as well as the differences and appropriate uses of contact grease and conductive grease.
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