| Working Surface | 400 series ferromagnetic stainless steel |
| RPR Series | 3/16 in. (4.8 mm) thick with integrated damping layer |
| RT Series | 0.134 in. (3.4 mm) thick with integrated damping layer |
| Surface Flatness [in. (mm)] |
| RPR Series | ±0.004 (±0.1), over 2 ft (600 mm) square |
| RT Series | ±0.006 (±0.15), over 2 ft (600 mm) square |
| Core Design | Trussed honeycomb, Vertically bonded closed cell construction, 0.010 in. (0.25 mm) Steel sheet materials, 0.030 in. (0.76 mm) triple core interface |
| Broadband Damping | Constrained layer core, damped working surface and composite edge finish |
| Mounting Holes | 1/4-20 holes on 1 in. grid (M6-1.0 holes on 25 mm grid), 0.5 in. borders (12.5 mm borders) |
| Hole/Core Sealing | Easy clean conical cup, 0.75 in. (19 mm deep) Non-corrosive, high impact polymer material |