Thickness of HumiSeal coating
The typical thickness of HumiSeal rivestimento conformale, produced by Chase Corporation, ranges between 25 µm and 75 µm (microns). This range is widely used in Assemblaggio di PCB, Assemblaggio SMT, e Assemblaggio di PCB chiavi in mano to balance protection, performance, and cost.

Standard thickness range
Most HumiSeal coatings are applied within:
- 25–50 µm → Common for general electronics protection
- 50–75 µm → Used in harsher environments (high humidity, chemicals, vibration)
This thickness is enough to provide effective insulation and environmental protection without affecting component function.
Thickness depends on coating type
Different HumiSeal chemistries may require slightly different thicknesses:
- Rivestimenti acrilici → typically 25–50 µm
- Rivestimenti uretanici → often 30–75 µm for stronger chemical resistance
- Rivestimenti in silicone → may go thicker (up to ~100 µm) for high-temperature or flexible applications
Application method impact
The final coating thickness also depends on how it is applied:
- Spray coating (manual or selective) → most consistent thickness control
- Rivestimento per immersione → thicker and less uniform layers
- Rivestimento a pennello → less precise, used for rework or small batches
Automated selective coating systems in Assemblaggio SMT lines ensure more consistent thickness control.
Why thickness matters
Proper coating thickness is critical:
- Troppo sottile
- Insufficient moisture and corrosion protection
- Lower insulation performance
- Troppo spesso
- Rischio di fessurazione o delaminazione
- Can affect connectors, test points, or heat dissipation
Maintaining the correct thickness ensures optimal reliability in Assemblaggio di PCB.
Industry standards reference
Typical thickness guidelines follow standards such as:
- IPC-CC-830 (qualification for conformal coatings)
- Internal process specs in Assemblaggio di PCB chiavi in mano manufacturing
These standards help ensure consistent coating quality and performance.
Conclusione
HumiSeal conformal coating is usually applied at 25–75 µm thickness, depending on material type, environment, and application method. In Assemblaggio di PCB, Assemblaggio SMT, e Assemblaggio di PCB chiavi in mano, controlling coating thickness is essential for achieving reliable protection without compromising performance.
Richiedete un preventivo per il rivestimento conforme
Avete requisiti speciali per il rivestimento? Inviateci i file dei vostri PCB per una valutazione.
Inviateci i vostri requisiti e riceverete una risposta rapida dal nostro team di ingegneri.
✔ Risposta in 24 ore ✔ Supporto ingegneristico ✔ Produzione di piccole dimensioni e di massa
Shenzhen Tengxinjie Electronics Co., Ltd.



