Three Bond 1220G / 1220H - RTV-Silikon-Klebedichtung - 330 ml Kartusche

Three Bond 1220G/1220H – RTV silicone adhesive sealant overview

The RTV silicone sealant Three Bond 1220G/1220H is an alcohol-free, fast-drying silicone compound for bonding, potting and coating in electronic applications. The 330 ml cartridge is suitable for precise sealing and bonding applications where minimal corrosion is required.

It offers excellent electrical insulation and good sealing performance over a wide temperature range. In practice, it demonstrates good adhesion to common substrates and rapid strength development.

Suitable for electronics, bonding, potting and coating

The RTV sealant is particularly suitable for electronic housings, sensor and circuit-board applications where bonding, potting or coating is required, without risking alcohol contamination. The formulation reduces tendencies for corrosion and enables reliable isolation.

Technical data of Three Bond 1220G/1220H

• Brand: Three Bond
• Code: 1220G / 1220H
• Product form: Cartridge
• Content: 330 ml
• Color: Transparent / White
• Viscosity (25 °C): approx. 65 Pa·s
• Density (25 °C): 1.03 g/cm³
• Temperature range: -60 °C to 200 °C
• Shelf life: 12 months
• Shore hardness: D20
• Elongation: approx. 500%
• Tensile strength: approx. 2.2 MPa

Properties & Benefits

• Alcohol-free: Reduces alcohol contamination on the substrate and eases processing.
• Fast-drying: Rapid solidification minimizes waiting times after application.
• High electrical insulation: Ensures reliable operation of sensitive electronics.
• Low corrosion: Gentle interaction with metals and printed circuit boards.

Processing & Practice

1. Thoroughly clean the substrate and ensure it is grease-free.
2. Cut the cartridge and choose the nozzle opening depending on the application.
3. Apply or fill the material evenly; avoid air inclusions.
4. Distribute the material, then finish by smoothing the surfaces; observe curing.