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When your facade demands structural integrity, extreme movement capacity, and permanent weather protection, the right sealant makes all the difference. SA Silicone N60 is engineered to meet these challenges, maintaining its elastomeric properties under constant UV exposure and temperature shifts. This is the architectural-grade silicone that delivers both structural performance and weatherproofing longevity.
SA Silicone N60 was formulated for the exacting demands of architectural glazing and facade work. It's a high-performance, neutral cure silicone, designed to form durable, flexible seals. Expect superior adhesion to common construction materials like painted and anodised aluminium and glass, ensuring structural integrity and weather tightness. This product maintains its flexibility and adhesion across extreme temperatures and UV exposure, preventing costly reworks and structural failures.
With a dynamic movement capacity of ±35%, SA Silicone N60 handles significant structural expansion and contraction without fatiguing the seal. This high movement rating is critical for large glass panels and curtain walls subjected to thermal cycling and wind loads. Its 100% modulus of 0.5 MPa indicates a flexible sealant that effectively distributes stress across the bond line. This low-stress transfer characteristic is critical for structural glazing, as it minimises strain on delicate substrates and supports facade integrity over time. The 500% elongation provides an ample safety margin, ensuring the seal remains intact even under peak stresses. Expect a Shore A hardness of 22, indicating a soft, flexible seal that moves with the building, not against it.
Prepare surfaces with a two-wipe process using IPA or 100% White Spirits to ensure they are clean, dry, and free of contaminants. The sealant has an 8-minute tooling window, allowing ample time for a clean, consistent finish. Apply firmly, ensuring full contact with the substrate. Always use a closed-cell polyethylene backer rod, 25% larger than the joint width, to control depth and prevent three-sided adhesion, which is critical for the sealant's long-term performance. Full cure occurs over 14-21 days, depending on atmospheric moisture and temperature.
Architectural Glazing & Facades: Specify SA Silicone N60 for two-sided structural glazing, including fin glazing, on projects requiring robust, long-term adhesion to painted and anodised aluminium and glass. It is ideal for weather sealing curtain walls and building facades, where its ±35% movement capacity accommodates dynamic building shifts and thermal expansion.
Industrial Manufacturing: Its AS/NZS4020 approval for drinking water means you can confidently use SA Silicone N60 for tank manufacturing, ensuring hygienic and durable seals in potable water applications.
General Glazing: Use it for sealing laminated, reflective, and toughened glass assemblies, as well as mirrors and splashbacks (non-vinyl backed), where a high-performance, UV-stable seal is essential.
In glazing systems, SA Silicone N60 is typically the final weather seal or structural bond. Proper joint design is critical: ensure a depth-to-width ratio of approximately 1:2 for weather seals, maintaining a minimum 6mm depth. Always use a compatible closed-cell backer rod to prevent three-sided adhesion, which compromises sealant performance. The sealant forms the crucial flexible link, transferring dynamic loads and sealing against moisture ingress.
Yes, Silicone N60 is specifically recommended for two-sided structural glazing and fin glazing. It meets ASTM C1184 for structural sealants.
Yes, the translucent and grey colours of Silicone N60 are approved to AS/NZS4020-2005 for use in drinking water applications. Confirm colour suitability for certification.
No, Silicone N60 is not paintable. Ensure all painting is completed before sealant application or use masking tape and remove it before skinning occurs.
Silicone N60 has a dynamic movement capacity of ±35%. This high flexibility handles significant expansion and contraction in facade and glazing joints without failure.
| Application | Key benefit | Primary trades |
|---|---|---|
| Two-sided structural glazing | Meets ASTM C1184 for structural sealants, ensuring reliable adhesion and long-term performance under load. | Glaziers, Commercial Builders, Facade Installers |
| Weather sealing in curtain walls and building facades | Excellent UV stability and ±35% movement capacity prevents degradation and joint failure due to environmental exposure. | Commercial Builders, Facade Installers, Architects |
| Sealing laminated and reflective glass | Neutral cure formulation prevents corrosion or discolouration of sensitive glazing materials. | Glaziers, Shopfitters |
| Drinking water tank manufacturing | Translucent and grey colours are AS/NZS4020-2005 approved, ensuring safety for potable water contact. | Tank Manufacturers, Plumbers |
| Sealing mirrors and splashbacks (non-vinyl backed) | High adhesion to glass and non-corrosive cure protects mirror silvering from attack. | Glaziers, Cabinet Makers, Tilers |
Danger: Causes serious eye damage. May cause an allergic skin reaction.
Wear safety shoes, overalls, gloves (nitrile rubber recommended for intermittent contact), and safety glasses. Wash hands thoroughly before eating, drinking, or smoking.
Store in a cool, dry, well-ventilated place out of direct sunlight. Keep away from foodstuffs and incompatible materials. Keep containers closed and upright. Dispose of contents and container according to local regulations.
Proper surface preparation is crucial for achieving reliable adhesion and long-term performance. This guide covers key requirements for common substrates.
Surface prep: Surfaces must be clean, dry, and free of wax, grease, cutting oils, or any loose material. Use the two-wipe process with a clean cloth, changing frequently. Cleaners like IPA or 100% White Spirits are suitable.
Primer: Not required for these listed substrates.
Surface prep: Ensure surfaces are clean, dry, and free from contaminants. The two-wipe cleaning process with IPA or 100% White Spirits is recommended.
Primer: Not required.
| Property | Value |
|---|---|
| Tack Free Time | 30 minutes |
| Skin Time | 8 minutes |
| Tooling Time | 8 minutes |
| Slump | Nil |
| Shore A Hardness | 22 |
| 100% Modulus | 0.5 MPa |
| Tensile Strength | 1.5 MPa |
| Elongation | 500% |
| Peel Strength after UV through Glass | 89 N/25mm |
| Dynamic Movement Capacity | ±35% |
| Application Temperature | -10°C to 40°C |
| Service Temperature | -50°C to 200°C (transient) |
| Full Cure | 14-21 days |
| Cure Rate | 2-3mm in 24 hours, 7mm in 7 days |
| VOC Content | 47 g/L (SCAQMD) |
| Shelf Life | 12 months (below 23°C, 50% RH) |
| Specific Gravity | 1.0 - 1.03 |
| Standards Met | AS-1288:2006, ASTM C1184, Type S, Use G and O, ASTM C920: Type S Grade NS, Class 35, Use NT, A, G, O, GB-16776, AS/NZS4020-2005 (Translucent & Grey only), ASTM C792 |
Here are some common examples on where SA Silicone N60 used by our customers.
