Dymax Dual‑Cure 9481‑E is a clear conformal coating with dual curing (UV + moisture), formulated to fully cure in shadowed regions on high-density PCBs.
Features
- Rapid UV/Visible light cure, with moisture-driven completion in unexposed areas
- Bright blue fluorescence under UV light for coating inspection
- Low viscosity (~125 cP) for thin, even spray coatings
- Solvent-free, low-VOC, low-odor formulation
- Chemically resistant and able to withstand thermal shock cycles
- Meets MIL‑I‑46058C, IPC‑CC‑830B, UL 94 V‑0, UL 746‑E standards
- RoHS 2015/863/EU compliant
Specifications
- Viscosity: ~125 cP
- Appearance: Clear to light amber
- Hardness (Shore D): D65–D75
- Tensile Strength: ~11 MPa (1,600 psi)
- Elongation at Break: ~60%
- Modulus: ~150 MPa
- Tg: ~56 °C
- CTE: ~74 / ~210 µm/m·°C
- Water Absorption (2 h boil): ~1.4%
- Linear Shrinkage: ~1.6%
- Volume Resistivity: ~1×10¹⁶ Ω·cm
- Dielectric Constant (1 MHz): ~3.9
- Dielectric Strength: >1,500 V/mil
- Thermal Shock Resistance: −65 °C ↔ +125 °C (≥50 cycles)
Applications
- Conformal coating for high-density PCB assemblies with hidden zones
- Coverage inspection via UV fluorescence
- Ideal for aerospace, defense, medical, automotive, and industrial electronics
- Benefits
- Increases throughput with ultra-fast UV curing
- Enables clear quality control via blue fluorescence
- Offers strong resistance to chemicals, thermal shock, and harsh environments
- Eco-friendly and automation-ready: solvent-free, single-component, no refrigeration required
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
