Conformal Coatings

DCA is a flexible, transparent and unique modified silicone conformal coating (SCC3) specifically designed for the protection of electronic circuitry. It has been formulated to meet the highest defence standards in both Europe and the United States.
It holds approvals including the British Ministry of Defence (MOD) DEF-STAN 59/47 Issue 4, and Underwriters Laboratories UL746E-QMJU2.

High specification flexible Modified Alkyd resin conformal coating
May be ambient cured or heat cured for enhanced performance
Excellent chemical and solvent resistance when heat cured
May be soldered through for rework
Extremely wide operating temperature range
resistant to many solvents used within aerospace and automotive industries
RoHS Compliant
Can be reworked using specialist removal product, Electrolube CCRG

Liquid Properties

Appearance: Clear Pale Straw
Packaging Size: 1Litre Bottle (picture shows aerosol version)
Density @ 20°C (g/ml): 0.97 (Bulk), 0.78 (Aerosol)
VOC Content: 63% (Bulk) 73% (Aerosol)
Flash Point: 27°C (Bulk), <23°C (Aerosol)
Solids content: 37% (Bulk), 27% (Aerosol)
Viscosity @ 20°C (mPa s): 180 - 250 (Bulk)
Touch Dry: 50 - 55 minutes
Recommended Curing Schedule*: 2 Hours @ 20°C followed by:
2 - 24 Hours @ 90°C to 120°C
(Maximum Solvent Resistance Achieved @ 120°C; Ambient Curing Schedule: 24 Hours @ 20-25°C)
Coverage @ 25 µm: 14.8m² per litre (Bulk), 2.16m² (200ml Aerosol)

Cured Film Coating
Colour: Colourless
Operating Temperature Range: -70°C to +200°C
Flammability: UL94 V-1
Thermal Cycling (IPC-CC-830): Meets approval
Coefficient of Expansion: 90ppm
Dielectric Strength: 90 kV/mm
Dielectric Constant: 3.95 @ 1 MHz
Insulation Resistance: 1 x 1015 Ohm (DEF-STAN 59/47)
Dissipation Factor (@1 MHz, 25°C): 0.037
Moisture Resistance (IPC-CC-830): Meets approval

Approvals
UL746E-QMJU2: Approved File Number: E138403
DEF-STAN 59/47 (Issue 4): Yes
IPC-CC-830: Meets approval
NATO Stock Numbers: 6850996642823 (DCA05L)
6850992530057 (DCA200H)

DCA TDS.