Brady BMP21 Series PermaSleeve Heat Shrink Wire Marking Sleeves 0.187" Dia x 7' L Black on White Polyolefin

Brady BMP21 Series PermaSleeve Heat Shrink Wire Marking Sleeves

Professional Wire Identification for Harsh Environments

Brady BMP21 Series PermaSleeve Heat Shrink Wire Marking Sleeves deliver reliable wire identification with 3:1 heat-shrinking polyolefin construction. These professional-grade sleeves feature black text on white background with smudge-proof finish, operating from -67�F to 275�F (-55�C to 135�C). Compatible with BMP21 series printers, these flame-retardant sleeves provide permanent identification for electrical contractors, maintenance crews, and industrial professionals.

Professional Features & Benefits

• 3:1 Heat Shrink Ratio: Ensures secure fit on wire diameters from 0.062" to 0.15" (20 AWG to 10 AWG) for versatile application coverage.
• Extreme Temperature Range: Operates reliably from -67�F to 275�F (-55�C to 135�C) for demanding environmental conditions.
• Chemical Resistance: Withstands chemicals, grease, oil, and cleaning agents for long-lasting identification in harsh environments.
• Flame-Retardant Polyolefin: Provides safety compliance with flame-retardant properties and multiple industry certifications.
• Smudge-Proof Finish: Maintains clear black on white text visibility with matte finish that resists smearing and UV degradation.
• BMP21 Printer Compatibility: Works seamlessly with BMP21, BMP21-PLUS, and IDPAL handheld label printers for efficient workflow.
• Industry Compliance: Meets ASTM D 2671, MIL-STD-202, SAE-AMS-DTL-23053, UL R, and other professional standards.

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 : 0.187 in
• Diameter As Supplied Mm Cm M : 4.8 mm
• Dimensions 2: 0.335 in H
• Dimensions Metric : 8.50 mm W x 8.5 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; IDPAL� Handheld Label
• Height In Ft Yd : 0.335 in
• Height Mm Cm M : 8.5 mm
• Label Media Format: Label/Media in Cartridge with Ribbon
• Label Properties: Heat Shrink Sleeves
• Manufacturer Part Number: M21-187-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 : 0.15 in
• Maximum Wire Diameter Mm Cm M : 3.81 mm
• Maximum Wire Gauge: 10 AWG
• Minimum Service Temperature C: -55 �C
• Minimum Service Temperature F: -67 �F
• Minimum Wire Diameter In Ft Yd : 0.062 in
• Minimum Wire Diameter Mm Cm M : 1.57 mm
• Minimum Wire Gauge: 20 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: 0.335 in H
• Product Finish: Matte
• Product Material: Heat-shrink Polyolefin
• Quantity Per Row: 1
• Recovered Diameter In Ft Yd : 0.187 in
• Recovered Diameter Mm Cm M : 4.75 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 : 8.50 mm
• Sleeve Size In Ft Yd : 0.187 in Dia x 7 ft L
• Sleeve Size Mm Cm M : 4.8 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 : 0.335 in
• Web Width Mm Cm M : 8.51 mm
• Wire Diameter Range: 0.062 in to 0.15 in
• Wire Gauge Range: 20 AWG to 10 AWG

Installation & Operation

1. Mount the unit in a suitable location with appropriate clearance and access for connections and service.
2. Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
3. Wire generator or power input according to the provided voltage/phase specifications and compatible capacity.
4. Configure any available load management or control features as supported by the provided specifications.
5. Test automatic transfer or operational functionality and verify proper performance before placing into service.
6. Complete final inspection and follow ongoing maintenance practices appropriate to the product category.

Professional Applications

• Electrical Panel and Control Cabinet Labeling
• Industrial Wire and Cable Identification
• Commercial Building Electrical Systems
• Manufacturing Facility Maintenance
• Telecommunications Infrastructure
• Data Center Cable Management
• Automotive and Transportation Wiring

Why Choose Brady Quality?

Brady PermaSleeve heat shrink sleeves deliver professional-grade reliability with comprehensive industry compliance including ASTM, MIL-STD, SAE, and UL certifications. The flame-retardant polyolefin construction and extreme temperature rating from -67�F to 275�F ensure long-lasting performance in demanding environments, backed by Brady's commitment to quality identification solutions.