Automotive & EV | Conformal Coating,  Parylene and ProShieldESD

Protection for Thermal, Chemical & Vibration Extremes

Our automotive & EV conformal coating solutions protect ECUs, inverters, BMS boards, sensors, and power modules against
thermal cycling, road chemicals, salt spray, and continuous vibration. We combine proven liquid coatings, ultra-thin Parylene,
and facility-level ESD control to improve reliability and reduce field returns across ICE and EV platforms.

For background on automotive guidance, see ISO 16750 (road vehicles environmental tests),
IPC, and the ESD Association.

Automotive & EV Conformal Coating Challenges

  • ✅ Surviving thermal cycling and temperature shock (under-hood, powertrain, pack)
  • ✅ Resisting chemicals (oils, coolants, road salts, washer fluids)
  • ✅ Handling continuous vibration and mechanical shock
  • ✅ Maintaining high-voltage creepage/clearance in EV systems
  • ✅ Ensuring throughput & traceability for volume manufacturing

Automotive EV Conformal Coating & Parylene Solutions

Conformal Coatings for Automotive Electronics

For ECUs, body controllers, DC/DC converters, and in-cabin PCBs, liquid coatings offer robust, scalable protection.

  • ✅ Urethane / Epoxy – Strong chemical resistance for under-hood and road exposure
  • ✅ Silicone – Excellent thermal cycling and vibration resilience on power electronics
  • ✅ Acrylic – Cost-effective moisture barrier with fast processing

Explore: Conformal coatings

Parylene for Sensors, Connectors & ADAS

Parylene provides ultra-thin, uniform coverage for sensitive assemblies where weight and space matter.

  • ✅ Uniform, pinhole-free barriers for camera modules, radar, and LIDAR boards
  • ✅ Thin dielectric layers that preserve creepage/clearance in HV designs
  • ✅ Grades: N/C/D/F tuned for clarity, moisture, and chemical performance

Explore: Parylene Coating

ESD Control with ProShieldESD

Automotive assembly, battery lines, and service areas benefit from durable conductive-polymer coatings.

  • ✅ ESD-safe floors, walls, tooling, trays for safe handling of HV and electronics
  • ✅ Complements board-level coatings to reduce latent ESD damage
  • ✅ Supports ANSI/ESD S20.20 programmes

Explore: ProShieldESD

Services & Support for Automotive Programmes

  • ✅ Subcontract coating for rapid prototypes and PPAP stages
  • ✅ Process development, equipment supply, and operator training
  • ✅ Metrology: thickness, adhesion, ionic contamination, visual inspection

Contact: SCH Services

Learn more about our automotive EV conformal coating services.

Standards & Compliance (ISO / IPC / ESD)

Our automotive programmes align with global standards and OEM requirements:

  • 📘 ISO 16750 environmental testing for road vehicles
  • 📘 IPC guidelines incl. IPC-CC-830 and IPC-A-610 Class 3 (project-specific)
  • 📘 ESD Association – ANSI/ESD S20.20 compliant control programmes

Automotive Coating Process

  1. Assessment & Selection: use case, environment, keep-outs, materials & test plan
  2. Masking & Prep: boots/shapes/tapes, cleaning, bake-out
  3. Application: selective spray, dip, or Parylene deposition with in-process controls
  4. Cure & De-mask: thermal/UV cure, careful removal, touch-up as required
  5. Inspection & Test: thickness, adhesion (cross-hatch), ionic & visual checks
  6. Documentation: travellers, inspection records, and quality packs

Benefits of Automotive EV Conformal Coating

  • ✅ Increased reliability in harsh thermal and chemical environments
  • ✅ Reduced warranty returns and field failures
  • ✅ Lightweight, space-efficient protection vs. encapsulation
  • ✅ Consistent, traceable processes for volume production

Example Application / Case Study

  • 🎯 Objective: Improve inverter control board robustness against coolant mist and thermal shock
  • 🧪 Approach: Silicone conformal coat on HV keep-in zones + Parylene C for sensors/connectors; validated to ISO 16750 profiles
  • ✅ Result: Passed thermal shock & salt spray; reduction in early-life returns

Talk to an Expert

Next step: Share your drawings, BOM, and qualification targets for a tailored automotive coating plan.

📞 +44 (0)1226 249019   |   ✉ sales@schservices.com   |   💬 Contact us

Related solutions: Conformal coatings · Parylene · ProShieldESD

FAQs

What coating thickness do you recommend for automotive electronics?

Typically 25–50µm for liquid coatings; 10–20µm for Parylene. Final thickness depends on environment, keep-outs, and dielectric targets.

Can coatings withstand automotive chemicals and salt spray?

Yes—material selection (e.g., urethane/epoxy/silicone) is tuned for chemical exposure and validated with representative testing such as ISO 16750 and salt fog.

How do you manage EV high-voltage clearances and keep-outs?

We design masks/fixtures and selective application paths to preserve creepage/clearance while protecting sensitive areas. Documentation and inspection confirm compliance.


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.

  • 🚗 Automotive Expertise – Proven on ECUs, inverters, BMS, sensors, and power modules.
  • 🛠️ End-to-End Support – Selection, masking, application, inspection, ProShieldESD integration.
  • 📈 Scalable Solutions – Prototype to high-volume production with documentation.
  • 🌍 Global Reach – Responsive technical support across Europe, North America, and Asia.
  • ✅ Proven Reliability – Quality and consistency across services and materials.

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