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.
Low Density Polyethylene (LDPE)
LDPE (Low Density Polyethylene), also known as a polyolefin material, is a semi-crystalline thermoplastic material, with a continuous use temperature range of up to 200° F (93° C).