Apply HumiSeal conformal coating
Applying HumiSeal conformal coating, produced by Chase Corporation, requires controlled processes to ensure proper protection, adhesion, and reliability. In PCB Montajı, SMT Montajı, ve Anahtar Teslim PCB Montajı, correct application is critical to achieve consistent coating performance.

Surface preparation (most important step)
Başvurmadan önce Konformal Kaplama, the PCB must be thoroughly prepared:
- Remove flux residues, oils, dust, and contaminants
- Use approved cleaning methods (solvent cleaning, ultrasonic, or deionized water)
- Ensure the board is completely dry
Poor cleaning is one of the main causes of coating defects in PCB Montajı.
Masking (protect no-coat areas)
Certain areas must not be coated:
- Konektörler ve soketler
- Test points
- Switches and contact surfaces
Use tapes, boots, or masking materials to protect these areas during SMT Montajı.
Choose the application method
HumiSeal coatings can be applied using several methods depending on production volume:
Spray coating (manual or automated)
- Most common method in PCB Montajı
- Provides uniform coverage
- Suitable for both low and high volumes
Seçici kaplama (otomatik)
- High precision using programmable machines
- Ideal for Anahtar Teslim PCB Montajı üreti̇m hatlari
- Maskeleme gereksinimlerini azaltır
Daldırma kaplama
- PCB is immersed in coating liquid
- Ensures full coverage
- May result in thicker coating
Fırça kaplama
- Used for small batches or rework
- Less consistent than automated methods
Kaplama kalınlığını kontrol edin
Maintain proper thickness (typically 25–75 µm):
- Avoid too thin (insufficient protection)
- Avoid too thick (risk of cracking or heat issues)
Thickness control is essential for consistent quality in SMT Montajı.
Kürleme işlemi
After application, the coating must be cured:
- Hava ile kurutma (common for acrylic coatings)
- Isı ile kürleme (for urethane or epoxy)
- UV kürleme (for UV-curable HumiSeal coatings)
Follow manufacturer specifications for time and temperature to ensure full curing.
Denetim ve kalite kontrol
After curing, inspect the coating:
- Use UV light to verify coverage (if UV tracer is present)
- Check for bubbles, voids, or missed areas
- Ensure no overcoating on masked areas
Inspection ensures coating quality in Anahtar Teslim PCB Montajı.
En iyi uygulamalar
- Maintain clean working environment
- Control humidity and temperature during application
- Use proper equipment calibration
- Train operators on coating techniques
Sonuç
Applying HumiSeal conformal coating involves careful surface preparation, proper masking, controlled application, and thorough curing. In PCB Montajı, SMT Montajı, ve Anahtar Teslim PCB Montajı, following these steps ensures optimal protection, improved reliability, and long-term performance of electronic products.
We support HumiSeal and equivalent conformal coating solutions for your PCBA projects.
Konformal Kaplama Teklifi Alın
Kaplama çözümlerimizle PCB'leriniz için uzun vadeli güvenilirlik sağlayın. Buradan başlayın.
İhtiyaçlarınızı bize gönderin ve mühendislik ekibimizden hızlı bir yanıt alın.
✔ 24 saat yanıt ✔ Mühendislik desteği ✔ Küçük ve Seri Üretim
Shenzhen Tengxinjie Electronics Co, Ltd.


