High-Performance Conformal Coating Varnish – Dark Grey (H4si)

Ultra-Durable Silicone Protection
Premium silicone-based formula ensures superior resistance to moisture, dust, UV rays, and extreme temperatures (–50°C to +200°C), safeguarding sensitive electronics from corrosion and short circuits.
Precision Spray & Pen Application
Engineered for effortless control with both aerosol spray and pen-style delivery, ideal for coating PCBs, connectors, or automotive components without clogging or uneven coverage.
Industrial-Grade Adhesion
Chemically bonds to metals, plastics, and ceramics, featuring a matte dark grey finish that resists yellowing over time while maintaining dielectric strength (up to 5000V/mm).
Fast-Curing & Eco-Safe
Low-VOC, non-flammable composition cures rapidly at room temperature (30 mins tack-free, full cure in 24 hrs), compliant with RoHS and REACH standards for safe workshop use.
Versatile Electronics & Automotive Use
Trusted for circuit boards, LED modules, ignition systems, and DIY car touch-ups—wherever thin, flexible, and heat-resistant insulation is critical.
Wholesale Advantage
Direct factory pricing ensures unbeatable value for bulk orders, backed by global logistics support. Stock up on reliability.