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CertificationsAcrylic conformal coatings are the most popular of coating materials. They create a thin film which conforms to the shape of a PCB. The film protects components from moisture and dust. It also provides electrical insulation.
Acrylic coatings are available in both liquid and spray formats. They are 1-part products, easy to apply. They cure by drying. The curing process requires no heat: this eliminates the risk of damaging components. Acrylic coatings can be removed with common solvents, like acetone.
They used for a wide range of applications. Common uses include PCB protection for TVs, phones and laptops, and protective coatings for outdoor signs.
ConRo Electronics offers a wide choice of acrylic conformal coatings from major manufacturers such as Humiseal.
Conro Electronics is an authorized distributor for Humiseal.
- Protection from dust, moisture and fungus
- Excellent dielectric properties
- Easy to apply and remove
- Rework and repair is practical and economical
- Fast curing process, no heat required
- Low shrinkage
- Long pot life
- Wide range of applications
- Cost-effective
The main drawback of acrylic materials is their vulnerability to solvents. These coatings are not suited to withstand aggressive chemicals. Urethane conformal coatings will provide superior protection from solvents. For harsh environments, you can also consider silicone, epoxies or parylene.
Make sure you know your application’s requirements beforehand. This will allow you to choose the right coating solution.
