3M™ Scotch-Seal™ Mastic Tape Compound 2229

Description

3M™ Scotch-Seal™ Mastic Tape Compound 2229 is a flexible, non-hardening, rubber-based mastic tape designed for moisture sealing and insulating applications. It provides excellent adhesion to metal, cable jacket, synthetic cable insulation, and other surfaces. Its self-healing and UV-resistant properties make it ideal for long-term outdoor applications.

📐 Specifications:

• Material: Rubber-based, mastic compound

• Color: Black

• Operating Temperature Range: -29°C to 93°C (-20°F to 200°F)

• Thickness: ~0.125 inch (3.2 mm)

• Adhesion to Steel: Excellent

• Self-healing: Yes (from minor cuts or punctures)

• UV Resistant: Yes

• Packaging: Rolls of various widths and lengths

🛠️ Applications:

• Moisture sealing on:

  • Electrical connections and terminations

  • Underground cable splices

  • Overhead and direct-buried applications

• Sealing high-voltage cable connections

• Providing a weather-resistant shield in harsh outdoor environments

• Used in combination with vinyl or rubber tapes for complete insulation