What base material is used and which corrosion protection finishes are offered?

The cable trays are fabricated from cold-rolled mild steel sheet conforming to ISO 3574 CR4 grade, ensuring consistent formability and strength for perforated profiles. Three distinct finishes are available to match environmental demands: hot-dip galvanized for heavy-duty corrosion protection and weather resistance, fire-retardant powder coating for installations where flame spread and circuit integrity are critical, and standard powder coating for general indoor use with reliable aesthetics and durability. Each finish is tested to retain adhesion and protective properties over the product lifetime.