Self-Sticking Pipe Markers for Acids & Bases - Pressure Sensitive Vinyl, Style 3C, SPENT ACID. Brand Name: Brady«. Type: Self-Adhesive. Special Features: Abrasion-Resistant, Chemical-Resistant. Application: Pipe & Valve Marking. Standard: ANSI A13.1-2007. Adhesive: Permanent Acrylic. Symbol: Arrow (Right). Durability: 8 to 10 Years Outdoors. Pipe Diameter: Up to 0.75 IN. Color: Black on Yellow. Compatible Surface Types: Low Surface Energy, Powder Coated, Rough, Smooth, Textured. Size: 3C. Legend: SPENT ACID. Legend Size: 0.5 IN. Material: Brady B-946 Vinyl. Background Color: Yellow. Indoor or Outdoor Use: Indoor/Outdoor Use. Language: English. Self-Adhesive Pipe Marker Format: Die-Cut on Cards. Alternate Catalog Number: 88073.