HCS Heat Cure Silicone Conformal Coating

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HCS is a fast curing solvent free silicone conformal coating with 100% solids and is formulated to meet the requirements of UL94 V-0. It is a low viscosity coating which due to its silicone base is flexible with low stress on components whilst remaining tough enough to withstand abrasion.

It has a thermal fast-cure mechanism, achieving a full cure within just 10 minutes at 105°C. The solvent free formulation also ensures that there is little by-product from the cure maintaining a low odour system.

HCS also offers a wide operating temperature range of -65°C to +200°C which makes it especially suited to applications such as the automotive industry, power electronics or other electronic applications that require high temperature performance.


Approvals RoHS Compliant (2015/863/EU): Yes
REACH Compliant: Yes
IPC-CC-830: Meets Requirements
MIL-I-46058C: Meets Requirements
Liquid Properties Appearance: Translucent liquid
Density @ 20°C: 0.99 g/ml
Flash Point: None
Solids content: 100%
Viscosity @ 20°C (mPa s): 600
Recommended Drying Time: 10 Minutes @ 105°C
UV Trace: Yes
Dry Film Coating Colour: Clear
Temperature Range: -65 to 200⁰C
Flammability: Meets UL94 V-0
Shore Hardness A20
Moisture Resistance: 2 x 1010

Dielectric Strength: 90 kV/mm
Surface Insulation Resistance: 1 x 1015 Ω
Dielectric Constant: 2.4 @ 1 MHz
Coefficient of Expansion: 300 ppm/⁰C
Dissipation Factor: 0.01
Modulus 0.55 MPa @ 20°C
Tensile Strength 0.38 MPa
Elongation 100%

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