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BRADY Self-laminating Polyester Cryogenic Laboratory Labels, 6.4M
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Specifications:
| Application | Sample Collection |
| Storage Temperature | Room Temperature |
| Product Type | Labellers |
| Product Brand | BRADY |
| Product Grade | Laboratory grade |
Brady’s range of Cryogenic Laboratory Label Cartridges for M21 Printers provides unmatched durability, chemical resistance, and temperature stability for labeling vials, tubes, slides, and cryogenic containers.
Both B-461 Self-Laminating Cryogenic Polyester and B-7425 Chemical-Resistant Cryogenic Polypropylene materials are engineered for demanding laboratory environments—from liquid nitrogen storage (-196 °C) to autoclave sterilization (+130 °C).
Each cartridge includes a Brady Authentic ribbon, ensuring consistent print performance, immediate usability, and long-lasting identification results with Brady’s M21 handheld label makers.
Material Options
1️⃣ B-461 – Self-Laminating Cryogenic Polyester Labels
For ultimate protection of printed information in cryogenic, chemical, and autoclave conditions.
A clear overlaminate securely seals the print area, providing a permanent barrier against solvents, abrasion, and condensation.
Key Features
- Self-Laminating Design: Transparent film covers text and barcodes for maximum protection.
- Extreme Durability: Maintains adhesion and legibility from -320 °F to +266 °F (-196 °C to +130 °C).
- Solvent & Chemical Resistant: Withstands alcohols, detergents, and lab solvents.
- Permanent Acrylic Adhesive: Bonds tightly to glass, stainless steel, and polypropylene tubes.
- Ideal For: Cryogenic storage vials, centrifuge tubes, slides, and small sample containers.
Available Sizes – B-461 Material
| Part Number | Label Width × Length | Roll Length | Description |
|---|---|---|---|
| M21-375-461 | 0.375 in (9.53 mm) × 21 ft (6.4 m) | 21 ft | Self-laminating cryogenic polyester labels with ribbon |
| M21-500-461 | 0.5 in (12.7 mm) × 21 ft (6.4 m) | 21 ft | Self-laminating cryogenic polyester labels with ribbon |
| M21-750-461 | 0.75 in (19.05 mm) × 21 ft (6.4 m) | 21 ft | Self-laminating cryogenic polyester labels with ribbon |
2️⃣ B-7425 – Chemical-Resistant Cryogenic Polypropylene Labels
An economical, durable choice for high-volume sample labeling where chemical resistance and cryogenic performance are essential.
The B-7425 material resists a broad range of solvents, extreme cold, and heat, maintaining adhesion on smooth lab surfaces.
Key Features
- Chemical & Temperature Resistant: Resists harsh solvents and extreme conditions (-112 °F to +158 °F / -80 °C to +70 °C).
- Cryo-Safe & Autoclavable: Designed for long-term freezer and cryogenic storage.
- Permanent Adhesive: Bonds securely to glass, stainless steel, copper, and polypropylene.
- Halogen-Free: Environmentally compliant for clean lab use.
- Ideal For: Conical tubes, centrifuge tubes, vial tops, and general laboratory ID.
Available Sizes – B-7425 Material
| Part Number | Label Width × Length | Roll Length | Description |
|---|---|---|---|
| M21-375-7425 | 0.375 in (9.53 mm) × 21 ft (6.4 m) | 21 ft | Chemical-resistant cryogenic polypropylene labels with ribbon |
| M21-500-7425 | 0.5 in (12.7 mm) × 21 ft (6.4 m) | 21 ft | Chemical-resistant cryogenic polypropylene labels with ribbon |
| M21-750-7425 | 0.75 in (19.05 mm) × 21 ft (6.4 m) | 21 ft | Chemical-resistant cryogenic polypropylene labels with ribbon |
Technical Properties
| Property | B-461 (Polyester) | B-7425 (Polypropylene) |
|---|---|---|
| Temperature Range | -320 °F to 266 °F (-196 °C to +130 °C) | -112 °F to 158 °F (-80 °C to +70 °C) |
| Adhesive Type | Permanent Acrylic | Permanent Acrylic |
| Surface Compatibility | Glass, Polypropylene, Stainless Steel | Glass, Polypropylene, Copper, Steel |
| Chemical Resistance | Excellent | Excellent |
| Autoclavable | Yes | Yes |
| Halogen-Free / RoHS | Yes / Yes | Yes / Yes |
| Print Technology | Thermal Transfer | Thermal Transfer |
| Ribbon Included | Yes | Yes |
| Color | White print area with clear laminate | White matte finish |
Common Laboratory Applications
- Cryogenic Storage: Vials, microtubes, and cryo boxes for ultra-low-temperature freezers and liquid nitrogen tanks.
- Sample Tracking: Secure labeling for biological, chemical, and clinical specimens.
- Chemical Resistance: Labeling in labs handling solvents, alcohols, and reagents.
- Autoclave Processing: Withstands repeated sterilization cycles.
- General Lab Identification: Slides, flasks, and reagent containers.
Advantages
- Two high-performance materials for all laboratory conditions.
- Compatible with Brady M21 handheld printers for instant label creation.
- Ribbon included – ready for use out of the box.
- Long-term durability in cryogenic, chemical, and autoclave conditions.
- Brady Authentic Materials ensure printer calibration and consistent print quality.
The Brady Cryogenic Laboratory Label Series for M21 Printers combines precision, durability, and adaptability for modern lab environments.
Choose between B-461 Self-Laminating Polyester for maximum protection or B-7425 Chemical-Resistant Polypropylene for an economical, high-performance solution.
Both materials deliver permanent, solvent-resistant identification for vials, tubes, slides, and containers — ensuring reliable sample traceability across the coldest freezers and harshest chemical conditions.
- Size: Width: 12.70 mm Width: 19.07 mm Width: 9.53 mm
- Label Material: Polyester Polypropylene