The story:
Working closely with Humiseal and a leader in circuit board assembly, we used the Humiseal 1A33 gel to build a dam around the connectors to ensure the material remains where it is dispensed, avoiding the dreaded “wicking.” Although the conformal coating was more expensive, this new process eliminated the previous time consuming rework, saving time and money.
| What is the application? | Putting a dam of Urethane gel around connectors | |
| What issues was the end user having? | If customer sprays PC boards without putting a dam around the connectors, the urethane coating wicks up into the connectors and coats the contacts inside the connector | |
| What material was used to solve the issue? | Humiseal 1A33 gel | |
| Why was the material chosen for the application? | This is a much thicker urethane conformal coating that can be built up as a dam to eliminate the wicking of liquid spray into the contacts. | |
| Did the material improve the process? | Yes | |
| If So, how? | This process eliminated the need for very time consuming rework | |
| What industry/market was this material used in? | Being that this is a contract manufacturer, this conformal coating is used in several different markets, for various customers, that use Acrylic coatings. | |
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This conformal coating is more expensive than standard liquid coating. |
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