POWERJOINT POWERJOINT RT3339 RUBBER MASTIC 50x3M (1/each) T030027RM51

Description

Reliable Electrical Insulation for Trade Applications

Designed for primary insulation applications up to 2kV, POWERJOINT RT3339 provides a secure and durable insulating layer for electrical connections, cable joints, and repairs. Its rubber mastic construction allows the tape to conform easily around irregular shapes and surfaces, creating a tight seal that helps protect electrical components from environmental exposure.

The self-bonding design eliminates the need for additional adhesives, allowing electricians to achieve a clean and efficient installation. This makes it a practical choice for maintenance work, electrical repairs, and professional installations where reliability and speed are essential.

Durable Rubber Mastic Construction

POWERJOINT RT3339 uses an Ethylene Propylene Rubber (EPR) backing combined with electrical-grade mastic to provide consistent performance in demanding electrical environments. The temperature-stable mastic maintains strong adhesion while supporting long-lasting insulation protection.

Its flexible design allows easy wrapping around cables, joints, and connections, helping create a smooth and reliable insulation barrier. Whether used for repair work or new installations, this rubber mastic tape provides the performance expected from a professional electrical accessory.

Ideal for Electrical Contractors and Maintenance Teams

POWERJOINT RT3339 is designed for professionals who need reliable insulation materials readily available for everyday electrical work. It is suitable for cable jointing, electrical repairs, and insulation tasks across residential, commercial, and industrial projects.

Available through iSupply Electrical, tradespeople can access quality electrical products with competitive pricing, convenient ordering, and dependable supply support. Whether working on scheduled installations or urgent repairs, POWERJOINT RT3339 helps electricians complete jobs with confidence.

Key Specs:

• Product type: Self-bonding rubber mastic tape
• Backing material: Ethylene Propylene Rubber (EPR)
• Adhesive layer: Electrical-grade mastic
• Width: 50.8mm
• Thickness: 1.65mm
• Length: 3m
• Application: Primary insulation up to 2kV

Ideal for:

• Licensed electricians performing cable insulation and repair work
• Electrical contractors handling residential and commercial projects
• Maintenance teams requiring dependable electrical protection materials
• Industrial applications requiring primary insulation up to 2kV
• Trade professionals needing flexible and easy-to-use insulation solutions