Incure Ultra-Illumina 3561 is a high-performance, UV/moisture-curable conformal coating formulated for printed circuit board assemblies (PCBA). Engineered with a very low viscosity and a permanent fluorescing finish, this product is ideal for high-volume spray systems where fast processing, uniform coverage, and moisture resistance are essential.
Features
- Low Viscosity for Superior Sprayability: With a viscosity range of 150–300 cP, 3561 flows smoothly through automated spray valves without clogging, making it ideal for high-speed production lines.
- Excellent Moisture Barrier Properties: Cures to form a durable protective film (30–150 microns) that offers exceptional resistance to humidity, making it suitable for harsh operating environments.
- Fluorescing Yellow Tint: Allows easy in-line inspection of coating coverage under UV light, ensuring complete protection of critical PCB areas.
- Water and Thermal Resistant: Shows excellent adhesion and stability across a wide thermal range from –55°C to +150°C, with low water absorption (0.01%) and elongation of 74%, providing flexibility and toughness.
- Fast UV Curing Process: Fully cures under high-intensity UV light with no need for secondary heat curing. Shadowed components are auto-cured within 72 hours under ambient conditions.
Specifications
| Property | Value |
| Appearance | Yellow Tint, Clear, Fluorescing |
| Chemical Base | Urethane Acrylate, 100% solids |
| Viscosity | 150 – 300 cP (25°C) |
| Shore Hardness | D35 – D45 (ASTM D2240) |
| Tensile Strength | Good/Good (PC-SS / PC-AL) |
| Elongation at Break | 74.3% (ASTM D638) |
| Water Absorption (24 hrs) | 0.01% (ASTM D2566) |
| Linear Expansion | 2.16% (ASTM 570) |
| Thermal Range | –55°C to +150°C (ASTM D366) |
| Young’s Modulus | 226 MPa (ASTM 638) |
| Shelf Life | 1 year (sealed, stored at 2°C–20°C) |
Curing Process
- UV Cure Parameters (using F200™ Arc or equivalent):
- UVA (320–400 nm): 4,500 mW/cm²
- UVB (290–320 nm): 1,440 mW/cm²
- UVC (290–220 nm): 135 mW/cm²
- VUV (400–700 nm): 4,320 mW/cm²
- No secondary heat cure required
- Shadowed areas self-cure at ambient temperature within 72 hours
Applications
- PCBA protection in consumer electronics, automotive modules, and high-humidity industrial equipment
- Designed for automated spray systems requiring very low viscosity
- Ideal for environments where water resistance, flexibility, and clear visual inspection are critical
Compliance & Certifications
- UL 746C
- RoHS Compliant
- Halogen-Free
- Flame Class 94V-0
Contact infomation:
LECI Co., Ltd
R-1901, Saigon Trade Center Bld, 37 Ton Duc Thang Str., Ben Nghe W., Dist. 1, HCM City 70000, VN.
Long Bien, Ha Noi, VN.
Phone: (+84) 901442689 (WhatsApp)
Hotline: 02822202988
Website: lecilaser.com
