HellermannTyton 323-50015 Heat Shrink Tubing, 4' Long Stick, Medium Wall Adhesive Lined, Up to 4:1, 2.5", 63/19 dia, PO, Black, 2/pkg Length: 4' Voltage Range: Low and Medium Voltage Variant: Medium-Wall Nominal Diameter: 2-1/2 Wall Thickness: 0.11 Color: Black Qty/Bag: 2 Material: Polyolefin, cross-linked (PO-X) Material Shortcut: PO-X Adhesive: Hot melt adhesive Flammability: Not Flame Retardant Halogen free: Yes Operating Temperature (Metric): -67°F to +230°F (-55°C to +110°C) Reach Complaint(Article 33): Yes ROHS Complaint: Yes Features & Benefits • Medium wall tubing resists solvents, acids and alkaline solutions while providing good mechanical strength. • Features robust insulation characteristics designed for low voltage power applications. • Adhesive lining provides excellent insulation against moisture and humidity. • RoHS compliant and Halogen-free.