Urethane Conformal Coating Techspray 2104 for Circuit Protection
In harsh operational environments exposed to elevated humidity, aggressive chemicals, and mechanical abrasion, printed circuit boards require robust physical isolation. The Urethane Conformal Coating Techspray 2104 provides an exceptionally tough protective film engineered to safeguard sensitive electronics. Manufactured by Techspray, this military and industrial-grade coating ensures long-term insulation and reliability.
Key Features and Technical Advantages
Formulated with premium polyurethane resins, this protective coating offers superior engineering benefits:
- Chemical & Abrasion Resistance: Delivers outstanding durability against industrial solvents, corrosive atmospheres, and mechanical wear.
- High Dielectric Strength: Features a dielectric rating of 380 Volts/mil alongside excellent moisture barrier properties to prevent short circuits.
- Thermal & Flame Protection: Operates continuously in temperatures up to 248°F (120°C) and carries a UL94 V-0 nonflammable rating for cured coats.
- Industry Standard Qualification: Fully tested and qualified to IPC-CC-830B standards for high-reliability circuit assemblies.
- UV Inspection Indicator: Formulated with Opti/Scan UV-fluorescent indicator, allowing clear visual quality control (QC) inspection under black light.
Applications and Technical Data
Urethane Conformal Coating Techspray 2104 can be applied via spray, dip, or brush dispensing methods for automotive, industrial controls, and outdoor electronic assemblies. Below are its typical physical properties:
Technical Specifications Table
| Physical Property | Specification Value |
|---|---|
| Physical State | Liquid |
| Color / Appearance | Clear, colorless |
| Odor | Aromatic |
| Dielectric Strength | 380 Volts/mil |
| Thermal Resistance | Up to 248°F (120°C) |
| Relative Density | 0.93 |
| Boiling Point | 300.2°F (149°C) |
| Flash Point | 81°F (27.2°C) – Closed Cup |
| Volatility | 86% (w/w) |
| Shelf Life | 1 year from manufacture date |
Conclusion
Integrating Urethane Conformal Coating Techspray 2104 into your PCB manufacturing line guarantees maximum insulation, chemical resistance, and environmental durability. For technical support, samples, or commercial quotes, please visit Contact – LORIOT INDUSTRIAL.

