Most popular HumiSeal coating type
The most popular HumiSeal coating type used in the electronics industry is acrylic-based Revêtement conforme, with HumiSeal 1B31 being the most widely adopted product. It is commonly used in Assemblage du circuit imprimé, Prototype d'assemblage de circuits imprimés, et Assemblage SMT due to its excellent balance of performance, cost, and ease of processing.

Why acrylic coatings are the most popular
Acrylic coatings dominate the conformal coating market because they offer reliable protection with simple processing requirements. In most Assemblage du circuit imprimé applications, manufacturers prioritize coatings that are easy to apply, fast to dry, and cost-effective—making acrylic the preferred choice.
They provide effective protection against:
- Moisture and humidity
- Poussière et contamination
- Corrosion in general environments
This makes them suitable for a wide range of electronic products.
Why HumiSeal 1B31 is the industry standard
Among acrylic coatings, HumiSeal 1B31 is considered the benchmark product.
It is widely used in Assemblage SMT et Prototype d'assemblage de circuits imprimés because of several key advantages:
- Fast drying speed, improving production efficiency
- Single-component formulation, easy to handle and apply
- Good flexibility, reducing cracking risk
- UV traceability, allowing easy inspection under UV light
- Excellente capacité de réusinage, enabling easy repair and modification
These features make it highly practical for both development and mass production.
Applications in PCB manufacturing
En Assemblage du circuit imprimé, acrylic coatings like 1B31 are used for general-purpose protection in:
- Electronique grand public
- Power supplies and adapters
- LED lighting products
- Systèmes de contrôle industriel
En Prototype d'assemblage de circuits imprimés, it is especially preferred because engineers can easily remove and reapply the coating during testing and iteration.
En Assemblage SMT, its fast drying and compatibility with automated processes help maintain high production throughput.
Comparison with other HumiSeal coating types
While acrylic coatings are the most popular, other types are used for specific requirements:
- Revêtements en silicone → best for high temperature and vibration resistance
- Revêtements en polyuréthane → strong chemical resistance
- UV-curable coatings (e.g., UV40) → ideal for high-speed automated production
However, these alternatives are typically selected for specialized environments, whereas acrylic coatings cover the majority of standard applications.
Why it remains the top choice
The reason acrylic coatings like HumiSeal 1B31 remain the most popular is their balanced performance:
- Faible coût
- Traitement rapide
- Easy rework
- Sufficient protection for most environments
For many manufacturers, this combination delivers the best overall value en Assemblage du circuit imprimé et Assemblage SMT.
Aperçu final
The most popular HumiSeal coating type is revêtement conforme acrylique, with HumiSeal 1B31 as the leading product. In Assemblage du circuit imprimé, Prototype d'assemblage de circuits imprimés, et Assemblage SMT, it serves as the default choice for general-purpose protection, offering a practical balance between performance, cost, and manufacturability.
We support HumiSeal and equivalent conformal coating solutions for your PCBA projects.
Obtenir un devis pour un revêtement conforme
Vous travaillez sur des produits électroniques pour l'automobile, l'industrie ou l'extérieur ? Nous pouvons vous aider avec le revêtement conforme.
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Shenzhen Tengxinjie Electronics Co. Ltd.


