Circular Mask Circuit Board Manufacture & Inspection Labels - Crepe Masking Paper. Brand Name: Brady®. Type: Label. Application: Paint Mask. Standard: ASTM D 1000, ASTM D 2979, ASTM G 155. Color: Brown. Material: Brady B-540 Paper. Diameter: 0.625 IN. Finish: Matte. Adhesive: Removable Rubber Based. Compatible Surface Types: Smooth, Textured, Rough. Minimum Service Temperature °F: -94 DEG F. Maximum Service Temperature °F: 122 DEG F. Resistance Properties: Heat-Resistant, Humidity-Resistant, UV-Resistant. Quantity per Card or Sheet: 28. Cards or Sheets per Pack: 1. Shape: Circle. Alternate Catalog Number: 49262.