Aluminum Composite Material (ACM)
Aluminum Composite Material (ACM) is a rigid sheet made of two sheets of pre-finished aluminum, bonded to a polyethylene core. Light-weight, without sacrificing durability, ACM sheets are often used for outdoor signage, and channel letter backings.
High Density Polyethylene (HDPE)
HDPE (High Density Polyethylene), part of the polyolefin family of materials, is a semi-crystalline thermoplastic material, with a continuous use temperature range of -50° F (-46° C) to 180° F (82° C).