IQ Neutral Silicone Sealant — Professional
SKU: Low-modulus neutral silicone for glazing · IQCON 81 / 82 / 83
Low-modulus neutral silicone engineered for glazing and curtain wall sealing.
About
IQ Neutral Silicone Sealant — Professional is a single-component, low-modulus neutral-cure silicone developed for glazing and curtain wall applications. It is non-corrosive to coated glass, most metals (excluding copper), concrete, marble and granite, cures quickly, and offers strong adhesion with high displacement capacity to accommodate glazing movement. The manufacturer rates its weathering performance at up to 30 years under normal weather conditions.
Key Features
- Low-modulus formulation — high displacement capacity for glazing joints
- Non-corrosive to coated glass and most metals (excluding copper)
- Fast cure with strong adhesion to glass, concrete, marble and granite
- UV resistant with long-term weathering performance
- Wide temperature resistance from −40°C to +180°C
Typical Applications
- Weatherproofing seal for glass curtain walls
- Adhesion and sealing of large glass panels and daylight domes
- Elastic gap sealing for PMMA / polycarbonate daylight domes
- Waterproof, dust-proof sealing for electrical and mechanical installations
Technical Specifications
| Property | Value |
| Cure system | Neutral curing |
| Density | 1.0 ± 0.01 g/cm³ |
| Skin formation time | 10 min (23°C, 50% RH) |
| Curing rate | 1.8 mm / 24 h |
| Hardness | 30–40 Shore A |
| Tensile strength | 0.8 MPa |
| Ultimate elongation | 270% |
| Modulus at 100% elongation | 0.41 MPa |
| Sag | 0 mm |
| Application temperature | +4°C to +40°C |
| Temperature resistance | −40°C to +180°C |
| VOC | 6.5% |
| Elastic recovery | 91% |
| UV resistance | Yes |
| Paintable | No |
| Anti-fungal / anti-bacterial | No |
| Shelf life | 12 months (below 27°C, cool, dry) |
Not a structural sealant. Not suitable for greasy or wet surfaces, poorly ventilated spaces, or application below +4°C or above +40°C. Always test compatibility and adhesion on the actual substrate before full application.
Available Options
| SKU | Colour | Size | Pack |
| IQCON 81 | Transparent | 300 ml | Box 24 |
| IQCON 82 | White | 300 ml | Box 24 |
| IQCON 83 | Black | 300 ml | Box 24 |