Selective coating with HumiSeal

Selective coating with HumiSeal conformal coating, developed by Chase Corporation, is an automated process that applies coating only to specific areas of a PCB, rather than covering the entire board. It is widely used in modern PCB-assemblage, SMT-assemblage, en Turnkey PCB-assemblage for precision and efficiency.

How selective coating works

Selective coating systems use programmable equipment to control exactly where the coating is applied:

• CAD data or teaching programs define coating paths
• Robotic valves or spray heads dispense HumiSeal precisely
• The machine avoids connectors, test points, and sensitive areas
• Coating is applied in controlled patterns and thickness

This eliminates the need for extensive manual masking.

Belangrijkste voordelen

Hoge precisie

• Coating is applied only where needed
• Protects critical components without affecting connectors

Verminderde maskering

• Minimal use of tapes or boots
• Saves time and labor in PCB-assemblage

Constante kwaliteit

• Uniform coating thickness (typically 25–75 µm)
• High repeatability in SMT-assemblage

Materiaalbesparing

• Less coating waste compared to dip or full spray methods

Faster production

• Ideal for high-volume Turnkey PCB-assemblage regels

Typische toepassingen

Selective coating with HumiSeal is used in:

• Automobielelektronica
• Industriële besturingssystemen
• LED lighting PCBs
• Consumentenelektronica
• Aerospace and medical devices

These applications require both protection and precision.

Selective coating vs traditional methods

• Selectieve coating → precise, automated, minimal masking
• Spuitcoating → broader coverage, requires masking
• Dompelcoating → full coverage, less control
• Kwastcoating → manual, used for rework

Selective coating is considered the most advanced method in SMT-assemblage.

Important process considerations

• Proper PCB cleaning before coating
• Correct viscosity settings for the machine
• Accurate programming of coating paths
• Post-coating curing (UV, thermal, or moisture)
• Inspection for coverage and defects

Conclusie

Selective coating with HumiSeal is a high-precision, automated method that applies conformal coating only where needed. In PCB-assemblage, SMT-assemblage, en Turnkey PCB-assemblage, it offers superior efficiency, consistency, and cost control compared to traditional coating methods.

We support HumiSeal and equivalent conforme coating solutions for your PCBA projects.

Vraag een offerte aan voor conforme coating

Op zoek naar betrouwbare conformal coating oplossingen voor uw PCBA project? Klik hieronder voor een snelle offerte.
Stuur ons je vereisten en krijg snel antwoord van ons engineeringteam.

✔ 24-uurs respons ✔ Engineering-ondersteuning ✔ Kleine & massaproductie

Schakel JavaScript in uw browser in om dit formulier in te vullen.

Naam *

E-mail *

WhatsAPP

Aanbevolen materiaal

• Acryl (AR)
• Silicone (SR)
• Polyurethaan (UR)
• UV-uithardbaar - UV
• Ik weet het niet zeker / Heb advies nodig

WhatsAPP Bestand E-mail

Bestanden uploaden

Bestanden slepen en neerzetten,, Bestanden kiezen om te uploaden U kunt maximaal 8 bestanden uploaden.

Comprimeer alle Gerber-bestanden, boorbestanden en BOM in een enkel .ZIP- of .RAR-bestand voor snellere verwerking.

Bericht

"Vermeld onderdelen of gebieden die NIET mogen worden gecoat (bijv. connectoren, testpunten)." Als u specifieke eisen stelt aan het coatingmateriaal (bijv. HumiSeal), geef dit dan aan in het opmerkingenveld.

Stuur in

Shenzhen Tengxinjie Electronics Co, Ltd.