Dymax Multi‑Cure 984‑LVUF is a clear, UV-curable conformal coating with ultra-fluorescing properties, designed for high-density PCB protection. It cures rapidly under UV/Visible light and uses heat to complete cure in shadowed areas. Ideal for applications requiring UV inspection and high environmental resistance.
Key Features
- Rapid UV/Visible cure with secondary heat cure for shaded regions
- Strong fluorescence under black light for easy inspection
- Low-viscosity formulation for easy spray and even coverage
- One-part, solvent-free, halogen-free, low-VOC material
- Withstands 50–100 thermal cycles from –65 °C to +125 °C
- Meets MIL-I-46058C, IPC-CC-830, and UL 94 V-0 standards
Technical Specifications
- Viscosity: 150–160 cP
- Hardness (Shore D): 80
- Tensile Strength: 6,000 psi (~41 MPa)
- Elongation: 5%
- Modulus: 724 MPa
- Glass Transition Temperature (Tg): 84 °C
- CTE: 70 – 227 µm/m·°C
- Volume Resistivity: 3.58×10¹³ Ω·cm
- Dielectric Strength: 1,800 V/mil
- Dielectric Constant (1 MHz): 3.4
- Dissipation Factor: 0.03
- Water Absorption: 1.3% (2 h boil)
- Cure Shrinkage: 0.1%
Applications
- Conformal coating for high-density PCB assemblies
- Electronic components requiring post-process UV inspection
- Aerospace, defense, automotive, industrial and medical electronics
Benefits
- Boosts production efficiency with fast UV cure
- Enables visual QC through strong UV fluorescence
- Provides outstanding protection against moisture, heat, and chemicals
- Safe and eco-friendly with no solvents or halogens
- Easy integration into existing spray or dispensing lines
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
