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Interesting idea with acrylic. Paint is not an option as we require cure time in <10 minutes, it would have to be water based (foam can't take solvents), and the foam can only take 70*C so high temp drying is out. Also paint application is pretty messy. However, laminating acrylic sheet is an...

Hello, We are considering the use of ASA in an outdoor application. The material will not be loaded mechanically, with the exception of thermal expansion/contraction. It will be bonded to extruded polystyrene foam with a reactive hot melt polyurethane adhesive, so differential expansion...

Hi, We are considering the use of 0.1&quot; thick anodized aluminum sheet for a non-structural application. Specifically, 6061 T6 with Type II, Class 2 anodizing. However, the anodization will obviously be destroyed in shearing (possibly also in bending?). The application environment...

Hi, We are looking for a weather (including UV) resistant, flexible polymer film to be laminated to extruded polystyrene foam. Desired service life is ~30 years. Tall order, I know. To date we have identified the following candidates: 1.5 mil bondable Tedlar. Roofing membranes such as TPO...

Hi, Need some advice. We are specifying a racking system for PV modules (sheltered outdoor application). The basic construction is aluminum blocks (~1&quot;x2&quot;x2&quot;) bolted to a rail. The question is whether to use a HD galvanized rail or a stainless rail. The environment is rural...

Generally speaking - aluminum and zinc are compatible outdoors, as they are very close in the galvanic series. Stainless and aluminum are very far apart and may be incompatible. However, if the zinc layer is depleted and the base steel exposed, galvanic corrosion may occur between the aluminum...

Hi, Need some advice. We are specifying a racking system for PV modules (sheltered outdoor application). The basic construction is aluminum blocks (~1&quot;x2&quot;x2&quot;) bolted to a rail. The question is whether to use a HD galvanized rail or a stainless rail. The environment is rural...