Dymax Dual‑Cure 9771 is a clear UV + moisture cured conformal coating designed for aerospace and defense electronics. It offers high environmental resistance with optical inspection capability.
Features
- Rapid UV/Visible cure, followed by moisture cure in shadowed areas
- Bright blue fluorescence under UV light for easy inspection
- Solvent-free, lightweight formulation ideal for aerospace
- Moderate viscosity (~780 cP) for uniform spray or dip application
- Low outgassing and ionic content, compliant with NASA ASTM E595 & MIL‑STD 883
- Withstands thermal cycles from −65 °C to +125 °C, meets MIL‑I‑46058C, IPC‑CC‑830, UL 94 V‑0, UL 746‑E, and RoHS
Specifications
- Viscosity: ~780 cP
- Cure appearance: Colorless
- Hardness (Shore D): ~72
- Tensile Strength: ~20 MPa
- Elongation: ~13%
- Modulus: ~910 MPa
- Tg: ~86 °C
- CTE: ~108 / 191 µm/m·°C
- Water absorption: ~1.2% (2 h boil)
- Cure shrinkage: ~1.4%
- Total Mass Loss (TML): ~0.9%, CVCM: ~0.02%
- Volume resistivity: ~3.5×10¹⁴ Ω·cm
- Dielectric strength: ~665 V/mil
- Dielectric constant (1 MHz): ~4.29
- Reworkable
Applications
- Protects critical electronics in satellites, missiles, and military systems
- Suitable for UV inspection processes
- Used in aerospace, defense, telecommunications, and medical electronics
Benefits
- Increases throughput with fast cure and inspection
- Provides high environmental protection under extreme conditions
- Lightweight and solvent-free—ideal for space-grade applications
- UV fluorescence eases quality control
- Meets stringent aerospace and defense standards
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
