Conformal Coating Equipment Hub

This conformal coating equipment hub groups our core resources on conformal coating equipment and application methods—from spray and dip hardware to selective robotic valves—so engineers can quickly choose, deploy, and optimise the right PCB coating equipment.

External resources: See IPC-CC-830, UL 746E, and NASA Workmanship Guidelines.

Horizontal infographic comparing dip, spray, selective robotic, and Parylene conformal coating processes for PCB protection.

Selective Valves & Conformal Coating Process Equipment

Match atomised spray, film coating, or needle valves to coating chemistry, pattern width, and keep-out constraints. The right electronic coating equipment improves edge definition and stabilises cycle times.

  • Compare cone spray vs. film coating for speed and coverage.
  • Specify shut-off, purge, and calibration routines for repeatability.
  • Validate bead width, overlap, and cornering on representative coupons.

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Selective Robotic Coating Machinery: Best Practices

Standardise program libraries, valve heights, and bead overlaps to lift first-pass yield. Robust conformal coating production equipment practices improve takt time and protect no-coat areas.

  • Lock recipes and revision control; use golden boards for verification.
  • Add vision fiducials, nozzle clean stations, and SPC bead checks.
  • Design fixturing for access, purge capture, and ESD control.

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Spray Guns & PCB Coating Equipment

Dial in atomisation pressure, fan width and material feed to control film build and minimise orange peel. Pair high quality HVLP guns with dedicated conformal coating spray booths and manage airflow, temperature, and RH.

  • Standardise viscosity windows and solvent flash routines.
  • Use pattern boards to verify edge definition and keep-out seals.
  • Capture overspray and maintain booth filtration for quality and safety.

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Dip Systems & Process Control

Control immersion, speed, withdrawal speed, dwell, and viscosity to achieve uniform coverage with tight Cp/Cpk. Effective conformal coating dip coating equipment setup stabilises throughput.

  • Qualify edge break lines and capillary behaviour on sample builds.
  • Monitor solvent loss, monitor with viscosity kits, replenish to target solids, and log bath health.
  • Use SPC on thickness coupons and critical features.

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Equipment Solutions from SCH

Explore production-ready conformal coating equipment that integrates with the methods above:

Explore Topic Hubs

Conformal Coating Processes Hub
Explore core conformal coating processes—spray, dip, selective robotic, and Parylene. Compare strengths, limits, and selection tips to match volume, cost, and reliability.

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Equipment & Application Methods Hub
Configure application equipment—spray guns & booths, dip systems, and selective valves/robots. Standardise recipes and fixtures to stabilise throughput and yield.

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Masking Hub
Master masking strategies for keep-outs: dots & tapes, reusable boots, custom shapes, and latex sealing. Apply barrier vs shielding correctly for spray, dip, and Parylene.

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Inspection & Quality Hub
Build a robust inspection & quality plan: UV coverage checks, thickness verification (AQL, coupons, SPC), adhesion tests, and documentation aligned to IPC/UL.

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Removal & Rework Hub
Choose the right removal & rework method: wet stripping for liquid coatings, precision micro-abrasion for Parylene, and controlled repair workflows that protect pads & leads.

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Parylene Coating Hub
Dive into Parylene coating: dimer grades, deposition parameters, vapour-phase masking, and optical thickness control. See when Parylene outperforms liquid coatings.

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Defects & Failure Mechanisms Hub
Prevent common coating defects—pinholes, dewetting, orange peel, cracking, delamination, corrosion/ionic contamination, and wicking—with root-cause fixes.

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Why Choose SCH Services?

Partnering with SCH Services means more than just outsourcing — you gain a complete, integrated platform for
Conformal Coating, Parylene & ProShieldESD Solutions, alongside equipment, materials, and training, all backed by decades of hands-on expertise.

  • ✈️ 25+ Years of Expertise – Specialists in coating technologies trusted worldwide.
  • 🛠️ End-to-End Support – Guidance on coating selection, Parylene grades, inspection, and ProShieldESD integration.
  • 📈 Scalable Solutions – From prototype batches to high-volume production, SCH grows with your needs.
  • 🌍 Global Reach – Responsive support across Europe, North America, and Asia.
  • ✅ Proven Reliability – Built on quality, consistency, and customer satisfaction.

📞 Call: +44 (0)1226 249019
✉ Email: sales@schservices.com
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