Applications
Optical bafflesSensor housingsScientific instrumentsElectronics hardwareTerrestrial optical assembliesAerospace hardware
Ultra-Black Coatings
Ultra-black dCNT coating
Carbon Clad™
Carbon Clad™ is an ultra-matte black discrete carbon nanotube coating engineered to deliver CVD-like low reflectance in a practical water-based paint format. It forms a deep black, highly light-absorbing surface on metals, plastics, ceramics, and composites for stray-light suppression in baffles, sensor housings, scientific instruments, electronics hardware, terrestrial optical assemblies, and aerospace hardware where atomic oxygen exposure is not the primary design constraint.
Properties
| Property | Value | Method or Context |
|---|---|---|
| Hemispherical reflectance | 2.3 % | ASTM E1331 |
| Solids content | 12.6 % | ASTM D2369 |
| Pencil hardness, gouge | 5H | ASTM D3363 |
| Crosscut adhesion | 4B | ASTM D3359 |
| Thermal degradation temperature | >200 C | ASTM E1131 |
| Surface resistance | >1E12 ohm | ANSI STM11.11 |
| Dry coating thickness | 40 um | Recommended; 20-60 um range |
| Theoretical coverage | 3.15 m2/L | At recommended thickness |
Usage Guide
Processing
- Clean substrates with mild detergent or IPA/ethanol; optional light abrasion can improve adhesion on polished metals.
- Apply by HVLP spray or brush after shaking and straining through a 190-mesh filter.
- Cure at 60 C for one hour or ambient dry for 24 hours.
Qualification
- Positioned for applications where atomic oxygen exposure is not a primary design constraint.
- Coating performance depends on substrate, preparation, thickness, and application quality.
Material sample review
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