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RM-550-LSB Black Thermal Control Paint/Coating
RM-550-LSB is an organic black nonspecular paint/coating, originally designed for use on spacecraft and satellites. A highly specialized pigment with a silicone binder ensures that RM-550-LSB that can be applied over complex surfaces with relative ease compared to other organic thermal control paints and forms a bendable nonspecular black coating when processed properly. RM-550-LSB can be utilized in the Low Earth Orbit (LEO) space environment due to its resistance to the deleterious effects of the Atomic Oxygen (AO) flux found there.
The table below lists the optical and application parameters of cured RM-550-LSB.
| Nominal Surface Resistivity |
N/A |
| Thermal Emittance (ε_t) |
0.91 ± 0.02 |
| Solar Absorptance (α_s) |
0.97 ± 0.02 at ≥ 1.5 mils thickness |
| Use Temperature Range |
-180 C to 400 C |
| Appearance/Color |
Nonspecular optical black |
| Nominal Dry Thickness |
3.0+1.0, -1.5 mils (over 85% of coated area) |
| ASTM D3359A Adhesion Grade |
Not less than 3A |
| Full Cure |
48 to 72 hours |
Note: terms reflectance, emittance and absorptance and terms reflectivity, emissivity and absorptivity are often used interchangeably. |
