The Original Panasonic Fire-Retardant PVC Electrical Insulation Tape (Red / 0.125mm–0.13mm Grade) is an industrial-grade, pressure-sensitive vinyl electrical tape engineered for primary electrical insulation, wire harness bundling, color-coding phase identification, and general cable repairs. Formulated with premium flame-retardant polyvinyl chloride (PVC) backing and a high-tack rubber-based pressure-sensitive adhesive, it delivers high dielectric breakdown strength, strong conformability around irregular splices, and resistance to moisture, alkalis, acids, and varying weather conditions. Compliant with international flame-retardancy standards (such as JIS C 2336 / IEC 60454), the Panasonic red insulation tape is widely utilized in residential and industrial electrical installations, automotive wiring, switchboard phase marking, HVAC systems, and electronic prototyping.

Specifications

• Brand / Manufacturer: Panasonic Corporation (Industrial Vinyl Electrical Tape Series)
• Tape Material / Backing: Premium Plasticized Polyvinyl Chloride (PVC) Film
• Adhesive Type: High-Tack Rubber-Based Pressure-Sensitive Adhesive (PSA)
• Color: Bright Red (Standard 3-Phase Color-Coding & DC Positive Identification)
• Nominal Tape Thickness: Approx. 0.125 mm to 0.13 mm (5.0 mil)
• Standard Roll Width: 18 mm to 19 mm (Approx. 0.75 inch)
• Standard Roll Length: 10 Meters / 20 Yards (Model/Roll dependent)
• Dielectric Breakdown Voltage: ≥ 5,000 V to 6,000 V (5 kV to 6 kV AC)
• Insulation Resistance: ≥ 1.0 × 10⁶ MΩ (1 × 10¹² Ω)
• Flame Retardancy: Self-Extinguishing / Non-Flammable (Meets JIS C 2336 / UL 510 / IEC 60454 standards)
• Tensile Strength: ≥ 25 N/cm to 30 N/cm (High break resistance under mechanical tension)
• Elongation at Break: 150% to 200% (High elasticity for tight, void-free wrapping)
• Adhesion to Steel: ≥ 1.6 N/cm to 2.0 N/cm
• Adhesion to Backing: ≥ 1.5 N/cm to 1.8 N/cm
• Operational Temperature Rating: -10°C to +80°C (14°F to 176°F)
• Environmental Resistance: Resistant to moisture, humidity, UV light, corrosion, alkalis, and dilute acids
• Shelf Life: 2 to 3 Years stored at 20°C–25°C and 50% relative humidity
• Net Weight: Approx. 35 g to 50 g per roll

Features

• Certified Flame Retardant: Self-extinguishes rapidly upon removal of open flames, preventing fire propagation along electrical cable ducts and conduit runs.
• High Dielectric Strength (>5000V): Provides reliable primary electrical insulation for wiring splices rated up to 600V in domestic and commercial circuits.
• Superior Elastic Stretch (Up to 200%): Conforms tightly to uneven joints, bends, and cable lugs without tearing, creating a smooth, void-free moisture-resistant seal.
• Non-Corrosive Rubber Adhesive: High initial grab that leaves minimal gummy residue upon removal and does not corrode copper or aluminum conductors.
• Distinct Red Color-Coding: High-visibility pigment facilitates clear visual identification of Red Phase (L1 / Phase A) lines in 3-phase AC distribution boards and positive DC rails (+VCC) in DC systems.
• Weather & Moisture Resistant: Resists humidity, mild chemical exposure, and atmospheric aging, ensuring long-term bond strength without flag-peeling.

Common Applications

• 3-Phase Electrical Color Coding: Phase marking (Red / L1) on main distribution panels, circuit breakers, busbars, and industrial disconnect switches.
• Cable Splicing & Joint Insulation: Primary insulation wrapping over solder joints, twist-on wire connectors, and inline crimp sleeves up to 600V.
• DC Power & Automotive Wiring: Marking and bundling positive (+) power feeds in 12V/24V/48V vehicle harnesses, battery banks, and solar inverter arrays.
• Wire Harness Looming: Securing and organizing loose conductors in control cabinets, robotics enclosures, and industrial automation racks.
• HVAC & Appliance Servicing: Insulating and weather-sealing control wiring in air conditioning units, refrigerators, and power tools.

Usage Tips

• Surface Preparation: Ensure the wire jacket and conductors are clean, dry, and free of oil, grease, or flux residues before applying the tape to achieve maximum adhesive bonding.
• Proper Wrapping Technique (Half-Lap & Tension):
  • Apply the tape with sufficient tension - stretching it to approximately 75% to 80% of its breaking elongation - to ensure tight conformance and eliminate internal air pockets.
  • Wrap in a half-lap pattern (each layer overlapping the previous layer by 50%), applying at least 2 to 4 layers over bare conductor splices.
• Preventing End "Flagging": On the final turn / wrap, release all stretching tension and apply the last 15–20 mm with zero stretch, pressing firmly. This prevents the tape end from creeping back or unpeeling ("flagging") over time.
• High-Voltage Layering: For applications exceeding 600V, apply self-amalgamating / rubber splicing tape as the primary insulation base, then overwrap with Panasonic PVC tape for mechanical protection and environmental sealing.
• Storage Conditions: Store unused rolls in a cool, dry place away from direct sunlight, high heat, and solvent vapors to preserve the elasticity and adhesive tack.