High-Performance RTV Sealant | Automotive & Workshop Use | NZ

The Würth Super RTV Silicone Adhesive and Sealing Compound is a high-performance silicone sealant designed for sealing, bonding, and gasket-making in demanding automotive and workshop environments. It forms a durable, flexible seal that resists oil, water, vibration, and temperature changes.

Ideal for engine components, gearboxes, housings, and general mechanical assemblies, this RTV silicone creates a reliable seal where conventional gaskets may fail. Once cured, it remains flexible while maintaining strong adhesion and sealing performance.

Used in workshops across New Zealand, it’s a trusted solution for repairs, assembly, and preventative maintenance.

Strong seal. Flexible hold. Workshop proven.

Why We Use It in the Workshop

• High-performance RTV silicone sealant

• Suitable for gasket-making applications

• Resistant to oil, water, and vibration

• Withstands temperature changes

• Flexible and durable once cured

• Ideal for automotive and mechanical use

Ideal For

• Engine covers and housings

• Gearboxes and diff assemblies

• Water pumps and thermostat housings

• Gasket replacement and sealing

• Automotive and industrial workshop use

How to Use

Ensure surfaces are clean and dry.
Apply an even bead to the sealing surface.
Allow skin formation before assembling parts if required.
Allow full cure before exposing to fluids or load.

Trusted Würth Quality

Würth products are trusted worldwide for reliable, workshop-grade performance. This RTV silicone NZ workshops rely on delivers dependable sealing where strength and flexibility matter.