Powerjoint POWERJOINT RT3330 BUTYL MASTIC TAPE 25X3 T030207BM25
$66.28 inc GST
Powerjoint RT3330 Butyl Mastic Tape provides durable sealing and insulation for electrical applications. Designed to conform to irregular surfaces, it offers excellent adhesion to metal, cable insulation, and jackets. Suitable for dielectric power cables up to 1kV, it is ideal for professional trade and maintenance work.

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Australian Company
Owned & Operated

15+ Years
Industry Experience

Easy Returns
30 Days Peace Of Mind
25 in stock
Description
Reliable Sealing for Electrical Installations
The Powerjoint RT3330 provides a flexible sealing solution for electricians and maintenance professionals working across residential, commercial, and industrial environments. Its highly conformable design enables easy application around irregular shapes, joints, and cable terminations while maintaining strong adhesion over time.
Whether used during repairs, upgrades, or new installations, the durable butyl compound creates an effective protective layer that helps maintain the integrity of electrical systems.
Durable Adhesion and Cable Protection
Designed for demanding trade applications, this butyl mastic tape bonds effectively to metal surfaces, cable insulation, and outer cable jackets. The tacky material remains easy to handle during installation while delivering reliable performance in a wide range of electrical projects.
For optimal results, the tape should be used in conjunction with premium vinyl tape as an outer wrap, providing additional mechanical protection and a professional finish.
Trade-Ready Performance for Australian Professionals
Suitable for dielectric power cable applications up to 1kV, the Powerjoint RT3330 meets ROHS compliance requirements, giving contractors confidence in product quality and safety. Its compact size and versatile design make it a practical addition to any electrician’s toolkit or maintenance inventory.
Available from iSupply Electrical, trade customers benefit from competitive wholesale pricing, convenient online ordering, and fast Australia-wide delivery to keep projects moving.
Key Specs
- Brand: Powerjoint
- Model: RT3330
- Product code: T030207BM25
- Material: Butyl mastic tape
- Dimensions: 25mm × 3m
- Suitable for dielectric power cables up to 1kV
- ROHS compliant
- Excellent adhesion to metal, cable insulation, and jackets
- Recommended for use with premium vinyl tape as an outer wrap
- Armoured: No
Ideal For
- Licensed electricians
- Electrical contractors
- Maintenance professionals
- Cable repair and termination work
- Commercial electrical installations
- Industrial maintenance projects
- Residential electrical applications
Additional information
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