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Silicone Sealant

Neutral-cure silicone sealant for glazing, sanitary, and high-movement architectural joints.

±50% MovementMould ResistantNeutral CureUV Stable
MOVEMENT±50%
CURE3 mm/24h
HARDNESS25 Shore A
SHELF LIFE18 months
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↓ Download Datasheet (PDF)

Overview

Glass to metal. Tile to grout.

Silicone Sealant is a neutral-cure silicone sealant offering exceptional UV resistance, weatherability, and high movement capability. The neutral cure makes it non-corrosive to sensitive substrates like coated metals, marble, and natural stone – unlike acetic-cure silicones.

Specified for structural glazing perimeters, sanitary applications, and any joint requiring ±50% movement capability.

Key Features

  • Movement capability ±50% – highest performance class
  • Neutral cure – non-corrosive to metals and stone
  • Outstanding UV and weathering resistance
  • Mould and mildew resistant (sanitary grade available)
  • Service temperature −50°C to +180°C
  • Permanent elasticity over service life

Technical Specs

Technical Specifications

All values measured at 23°C unless noted. Full test data available in the datasheet.

PropertyValueUnit
FormSingle-component neutral-cure silicone–
ColourClear / White / Grey / Black–
Density1.02 ± 0.05g/cm³
Tack-free time at 25°C/50% RH10–30minutes
Cure rate3mm/24h
Hardness (Shore A)25 ± 5–
Tensile strength1.5–2.0MPa
Elongation at break≥ 500%
Movement capability±50%
Modulus at 100%0.4MPa
Service temperature−50 to +180°C
Application temperature+5 to +40°C
Packaging300 ml / 600 ml–
StandardsISO 11600 F&G-25HM · ASTM C920–

Applications

Where this product is used

Six typical site applications where our crews specify this product.

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Structural glazing

Curtain wall and structural glazing perimeter sealing.

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Sanitary joints

Bathroom, kitchen, and shower joint sealing (mould-resistant).

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Natural stone façades

Neutral cure suitable for marble, limestone, and granite.

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High UV exposure

Roof penetrations, skylights, and exposed external joints.

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Cold storage

Low-temperature joint sealing in cold rooms and freezers.

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Healthcare facilities

Mould-resistant sealing in cleanrooms and operating theatres.

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