BOLL High Temperature Silicone Sealant 350°C

PROPERTIES

BOLL High-Temperature Silicone is a one-component silicone sealant designed for temperatures of up to +350°C for periods of up to 30 minutes.

It remains highly flexible and provides very good adhesion to metal, aluminium, glass and plastics.

The sealant is resistant to acids, oils, greases, petrol, water, UV radiation and weathering.

It does not contain acetic acid.

COLOURS

• Red
• Grey
• Black

METHOD OF USE

Suitable for areas exposed to high temperatures, including vehicle engines, fireplaces, heating equipment and industrial furnaces.

Recommended for sealing engine components and as a replacement for automotive gaskets. It withstands temperatures from −40°C to +350°C for up to 30 minutes.

Where sealed parts may need to be dismantled later, apply a thin layer of technical petroleum jelly to prevent permanent bonding.

APPLICATION

1. Thoroughly clean and degrease the surface using BOLL Silicone Remover.

2. Apply the sealant to the prepared surface.

3. Allow approximately 2 hours at 20°C for each 1 mm layer to cure.

PHYSICAL PROPERTIES

Tensile strength: 0.51 MPa
Elongation at break: 70%
Skin formation time: Approximately 5 minutes
Curing rate: 2 mm
Shore A hardness: 32
Temperature resistance: −40°C to +250°C; up to +350°C for 30 minutes
Application temperature: +5°C to +35°C

STORAGE

Protect the product from excessively low and high temperatures.

Avoid direct exposure to sunlight and store in a dry place.