Brady BMP21 Series PermaSleeve Heat Shrink Wire Marking Sleeves 0.125" Dia x 7' L Polyolefin 3:1 Ratio
Professional Wire Identification for Harsh Environments
Brady BMP21 Series PermaSleeve Heat Shrink Wire Marking Sleeves deliver reliable wire identification with 0.125" diameter and 7' length in durable polyolefin construction. These professional-grade sleeves feature 3:1 heat-shrinking capability and operate from -67�F to 275�F, making them ideal for electrical contractors, maintenance crews, and industrial professionals requiring permanent wire marking solutions in demanding conditions.
Professional Features & Benefits
- 3:1 Heat Shrink Ratio: Provides secure fit on wire gauges from 22 AWG to 16 AWG with reliable shrinkage for permanent attachment.
- Wide Temperature Range: Operates from -67�F to 275�F (-55�C to 135�C) ensuring performance in extreme environmental conditions.
- Chemical Resistant Polyolefin: Resists chemicals, grease, oil, and cleaning agents while maintaining label integrity in harsh industrial environments.
- Smudge-Proof Finish: Matte finish with black text on white background provides clear, permanent identification that won't smear or fade.
- Flame-Retardant Construction: Meets multiple industry standards including ASTM and MIL-STD specifications for safety compliance.
- BMP21 Printer Compatibility: Works with BMP21, BMP21-PLUS, and IDPAL label printers for consistent thermal transfer printing.
- Professional Applications: Designed specifically for electrical labeling and wire & cable identification in commercial and industrial settings.
Technical Specifications
- Applications: Electrical Labeling; Wire and Cable Labeling
- Brady Material Number: B-342
- Ca Prop 65 Label Warning: WARNING: Cancer - www.P65warnings.ca.gov
- Ca Prop 65 Labeled: Yes
- Contains Ca Prop 65 Cancer Causing Chemical: Antimony Trioxide
- Contains Ca Prop 65 Substance: Yes Contains-Label required
- Contains Ca Prop 65 Warning Type: Cancer
- Contains Heavy Metal S : No - Does not contain
- Continuous Die Cut Materials Supported: Continuous Tapes Only
- Diagram: Icon 5 (circle with centre dot)
- Diameter As Supplied In Ft Yd : 0.125 in
- Diameter As Supplied Mm Cm M : 3.2 mm
- Dimensions 2: 0.235 in H
- Dimensions Metric : 6.00 mm W x 6 mm H x 2.10 m L
- Dot Regulated Product: No = not regulated by DOT
- Enables Industry Compliance: ASTM D 2671; ASTM E 162; ASTM E 662; ASTM G 155; MIL-STD-202; SAE-AMS-DTL-23053; SAE-AS-81531; UL R
- Eu Rohs Compliance: Pass 2011/65/EU(Pass 2015/863)
- Eu Rohs Compliant: Yes
- For Use With Printer: BMP�21 LAB Label Printer; BMP�21 Labeler; BMP�21 PLUS Portable Label Printer
- Height In Ft Yd : 0.235 in
- Height Mm Cm M : 6 mm
- Label Media Format: Label/Media in Cartridge with Ribbon
- Label Properties: Heat Shrink Sleeves
- Manufacturer Part Number: M21-125-C-342
- Material Properties: Flame-retardant; Heat-shrinkable
- Maximum Service Temperature C: 135 �C
- Maximum Service Temperature F: 275 �F
- Maximum Wire Diameter In Ft Yd : 0.11 in
- Maximum Wire Diameter Mm Cm M : 2.79 mm
- Maximum Wire Gauge: 16 AWG
- Minimum Service Temperature C: -55 �C
- Minimum Service Temperature F: -67 �F
- Minimum Wire Diameter In Ft Yd : 0.046 in
- Minimum Wire Diameter Mm Cm M : 1.17 mm
- Minimum Wire Gauge: 22 AWG
- Primary Noun Basic Function: Heat Shrink Tubing
- Print Technology: Thermal Transfer
- Printable Sides: Single-Side Printable
- Printer And Label Applications: Wire & Cable
- Printer Compatibility: BMP21-PLUS; BMP21; IDPAL
- Printer Compatibility Print : BMP21-PLUS
- Product Color: Black on White
- Product Dimensions: 0.235 in H
- Product Finish: Matte
- Product Material: Heat-shrink Polyolefin
- Quantity Per Row: 1
- Recovered Diameter In Ft Yd : 0.125 in
- Recovered Diameter Mm Cm M : 3.18 mm
- Resistance Properties: Chemical-Resistant; Corrosion-Resistant; Humidity-Resistant; Smear-Resistant; UV-Resistant; Weather
- Ribbon Color: Black
- Ribbon Series: R4300
- Roll Length In Ft Yd : 7 ft
- Roll Length Mm Cm M : 2.13 m
- Sap B Number: B-342
- Sds Safety Data Sheet Required: No = MSDS/SDS is not required
- Shrink Ratio: 3:01
- Size Length M : 2.10 m
- Size Width Mm : 6.00 mm
- Sleeve Size In Ft Yd : 0.125 in Dia x 7 ft L
- Sleeve Size Mm Cm M : 3.2 mm Dia x 2.13 m L
- Tape Color: White
- Total Qty Per Pack: 1 Roll(s) / Box
- Trade Name: BMP�21 PermaSleeve�
- Web Width In Ft Yd : 0.235 in
- Web Width Mm Cm M : 5.97 mm
- Wire Diameter Range: 0.046 in to 0.11 in
- Wire Gauge Range: 22 AWG to 16 AWG
Installation & Operation
- Mount the unit in a suitable location with appropriate clearance and access for connections and service.
- Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
- Wire generator or power input according to the provided voltage/phase specifications and compatible capacity.
- Configure any available load management or control features as supported by the provided specifications.
- Test automatic transfer or operational functionality and verify proper performance before placing into service.
- Complete final inspection and follow ongoing maintenance practices appropriate to the product category.
Professional Applications
- Electrical Panel and Control Cabinet Wiring
- Industrial Equipment Wire Identification
- Commercial Building Electrical Systems
- Maintenance and Repair Operations
- Manufacturing Facility Wire Marking
- Telecommunications and Data Center Applications
Why Choose Brady Quality?
Brady PermaSleeve heat shrink sleeves meet rigorous industry standards including ASTM, MIL-STD, and UL requirements, ensuring reliable performance in demanding professional applications. The flame-retardant polyolefin construction and comprehensive resistance properties deliver long-lasting wire identification solutions trusted by electrical contractors and industrial professionals worldwide.
Manufacturer Resources
Product Specs
- Applications:
- Electrical Labeling; Wire and Cable Labeling
- Brady Material Number:
- B-342
- Ca Prop 65 Label Warning:
- WARNING: Cancer - www.P65warnings.ca.gov
- Ca Prop 65 Labeled:
- Yes
- Contains Ca Prop 65 Cancer Causing Chemical:
- Antimony Trioxide
- Contains Ca Prop 65 Substance:
- Yes Contains-Label required
- Contains Ca Prop 65 Warning Type:
- Cancer
- Contains Heavy Metal S :
- No - Does not contain
- Continuous Die Cut Materials Supported:
- Continuous Tapes Only
- Diagram:
- Icon 5 (circle with centre dot)
- Diameter As Supplied In Ft Yd :
- 0.125 in
- Diameter As Supplied Mm Cm M :
- 3.2 mm
- Dimensions 2:
- 0.235 in H
- Dimensions Metric :
- 6.00 mm W x 6 mm H x 2.10 m L
- Dot Regulated Product:
- No = not regulated by DOT
- Enables Industry Compliance:
- ASTM D 2671; ASTM E 162; ASTM E 662; ASTM G 155; MIL-STD-202; SAE-AMS-DTL-23053; SAE-AS-81531; UL R
- Eu Rohs Compliance:
- Pass 2011/65/EU(Pass 2015/863)
- Eu Rohs Compliant:
- Yes
- For Use With Printer:
- BMP®21 LAB Label Printer; BMP®21 Labeler; BMP®21 PLUS Portable Label Printer
- Height In Ft Yd :
- 0.235 in
- Height Mm Cm M :
- 6 mm
- Label Media Format:
- Label/Media in Cartridge with Ribbon
- Label Properties:
- Heat Shrink Sleeves
- Manufacturer Part Number:
- M21-125-C-342
- Material Properties:
- Flame-retardant; Heat-shrinkable
- Maximum Service Temperature C:
- 135 °C
- Maximum Service Temperature F:
- 275 °F
- Maximum Wire Diameter In Ft Yd :
- 0.11 in
- Maximum Wire Diameter Mm Cm M :
- 2.79 mm
- Maximum Wire Gauge:
- 16 AWG
- Minimum Service Temperature C:
- -55 °C
- Minimum Service Temperature F:
- -67 °F
- Minimum Wire Diameter In Ft Yd :
- 0.046 in
- Minimum Wire Diameter Mm Cm M :
- 1.17 mm
- Minimum Wire Gauge:
- 22 AWG
- Primary Noun Basic Function:
- Heat Shrink Tubing
- Print Technology:
- Thermal Transfer
- Printable Sides:
- Single-Side Printable
- Printer And Label Applications:
- Wire & Cable
- Printer Compatibility:
- BMP21-PLUS; BMP21; IDPAL
- Printer Compatibility Print :
- BMP21-PLUS
- Product Color:
- Black on White
- Product Dimensions:
- 0.235 in H
- Product Finish:
- Matte
- Product Material:
- Heat-shrink Polyolefin
- Quantity Per Row:
- 1
- Recovered Diameter In Ft Yd :
- 0.125 in
- Recovered Diameter Mm Cm M :
- 3.18 mm
- Resistance Properties:
- Chemical-Resistant; Corrosion-Resistant; Humidity-Resistant; Smear-Resistant; UV-Resistant; Weather
- Ribbon Color:
- Black
- Ribbon Series:
- R4300
- Roll Length In Ft Yd :
- 7 ft
- Roll Length Mm Cm M :
- 2.13 m
- Sap B Number:
- B-342
- Sds Safety Data Sheet Required:
- No = MSDS/SDS is not required
- Shrink Ratio:
- 3:01
- Size Length M :
- 2.10 m
- Size Width Mm :
- 6.00 mm
- Sleeve Size In Ft Yd :
- 0.125 in Dia x 7 ft L
- Sleeve Size Mm Cm M :
- 3.2 mm Dia x 2.13 m L
- Tape Color:
- White
- Total Qty Per Pack:
- 1 Roll(s) / Box
- Trade Name:
- BMP®21 PermaSleeve®
- Web Width In Ft Yd :
- 0.235 in
- Web Width Mm Cm M :
- 5.97 mm
- Wire Diameter Range:
- 0.046 in to 0.11 in
- Wire Gauge Range:
- 22 AWG to 16 AWG