B-438 Metallized Polyester Labels have a permanent adhesive that leaves a checkerboard footprint if removed.
| Adhesive Type | Residue |
| Application | Asset Tracking, Circuit Board Labeling, General Identification, Security Identification |
| Approval/Compliance (EMEA) | UL Recognised, CSA Accepted |
| Average Outdoor Durability | 2 Years |
| Brady Material Number | B-438 |
| Color | Silver |
| Compatible Surface Types | High Surface Energy |
| Continuous or Die-cut | Die-cut |
| Corner Type | Rounded |
| Dimensions (imperial) | 1 in H x 2 in W |
| Dimensions (metric) | 50,80 mm (W) x 25,40 mm (H) |
| Enables Industry Compliance (North America) | ASTM D 1000, ASTM D 2979, ASTM G 155, UL Recognized, RoHS Compliant |
| Finish | Matte |
| Height (imperial) | 1 in |
| Height (metric) | 25.40 mm |
| Indoor or Outdoor Use | Outdoor Use |
| Industry Compliance UL | UL969 |
| Label Properties | Metallic, Permanent Adhesive, Tamper Evident |
| Label/Tape Size (imperial) | 1 in H x 2 in W |
| Label/Tape Size (metric) | 25.40 mm H x 50.80 mm W |
| Material | Tamper-evident Metallized Polyester |
| Material Properties | Metallic Appearance |
| Material Type | Polyester |
| Maximum Service Temperature (°C) | 40 °C |
| Maximum Service Temperature (°F) | 104 °F |
| Minimum Service Temperature (°C) | -40 °C |
| Minimum Service Temperature (°F) | -40 °F |
| Performance Characteristics | Fuel/Oil resistance, Low temperature resistance, Solvent/Chemical resistance, Tamper-indicating |
| Primary Noun, Basic Function.1 | Label |
| Print Technology | Thermal Transfer |
| Printer Compatibility | BBP30, BBP31, BBP33, BBP35, BBP37, i3300, S3000, S3100, S3700, i5300 |
| Printer and Label Applications | General Identification, Inspection Repair, Rating & Name Plates |
| Printer supply or Pre-printed | Printer supply |
| Quantity per Roll | 1225 |
| Quantity per Row | 1 |
| Recommended Ribbon | B30-R4300 |
| Recommended Ribbon Series | R4300 |
| Resistance Properties | Chemical-resistant, Humidity-resistant, UV-resistant, Weather-resistant |
| Ribbon Series | B30 Monocolour Series |
| SAP B-Number | B-438 |
| SAP Local Description | B30,B438,SLV,2.00 in X 1.00 in FIT |
| Service Temperature Range (°C) | -40 °C - 40 °C |
| Service Temperature Range (°F) | -40 °F - 104 °F |
| Shape | Rectangle |
| Smart Cell | Yes |
| Surface | For smooth surfaces |
| Tamper Indication Type | Leaves "Checkerboard" Pattern When Removed |
| Thickness (imperial) | 0.0033 in |
| Thickness (metric) | 0.085 mm |
| Total Quantity | 1225 |
| Trade Name | Defender |
| Vertical Repeat (imperial) | 1.125 in |
| Vertical Repeat (metric) | 28.58 mm |
| Web Width (imperial) | 2.5 in |
| Web Width (metric) | 63.50 mm |
| Width (imperial) | 2 in |
| Width (metric) | 50.80 mm |