Materials Selection
A Note About Acrylic Sheet…. Comparatively, certain materials are better suited for a given application than others. For that reason, Sea Display, Inc. manufactures its products using tempered aluminum sheet on exterior applications where radar reflectivity is not a concern. The cited overview, highlight many of the benefits gained from selecting optimal materials for the job.

Characteristic	Acrylic Sheet	Tempered, Aluminum Sheet
Size Availability	1/16", 1/8", ¼" and ½"	0.040", 0.050", 0.063", 0.090" and 0.110"
Corrosion Resistance	High	High
Machineability	Excellent	Excellent
Conductivity	Low	High
Heat/ Melt Resistance	Poor	Excellent
Low Thermal Expansion	Poor	Excellent
Impact Resistant	Low	High
Abrasion Resistant	Low	High
Maleability	Poor	Excellent
Solvent Resistance	Poor	Excellent
Ultra Violet Performance	Colored materials fade with time.	Excellent
Aging Performance	Becomes brittle with time.	Indefinite
Dimensional stability	Product bends with increasing surface area.	Product remains stable over increasing surface area.
Surface Bonding	Adhesives, glue	Weld, machined hardware.
Environmental Impact	Non renewable resource.	Aluminum recycles.