INGADA™ SR-38 Translucent Weatherproof Silicone Sealant – Natural Finish
Class 25 Structural Weatherproofing for Sunrooms and Point-Supported Glass
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The Problem: Bulky, colored sealant lines ruin the “all-glass” look of modern sunrooms and skylights.
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The SR-38 Solution: “Invisible Strength.” Protect your view with a sealant that lets the light in. SR-38 provides the structural security of a high-performance silicone with a translucent finish that disappears into the glass.
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Exceptional Optical Clarity: Engineered for architectural features where preserving sightlines and light transmission is critical.
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Structural-Grade Adhesion: Delivers a powerful, durable bond to glass, stainless steel, and anodized aluminum frames.
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UV-Stable & Anti-Yellowing: Formulated to resist degradation and discoloration from direct sunlight exposure over years of service.
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Class 25 Movement: Reliably accommodates ±25% structural movement while maintaining a discreet, low-visibility seal line.
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Wide Temp Versatility: Operates flawlessly between -40°C and +120°C, making it suitable for glass roofs and atriums worldwide.
Technical Comparison Table
| Feature | Typical Value |
| Appearance |
Translucent / High Light Transmission |
| Movement Class |
Class 25 (±25%) |
| Curing Time |
24–72 Hours |
| Chemical Stability |
Resistant to Ozone & Pollutants |
Q:Will SR-38 yellow over time?
A：No. It is formulated for high light transmission and UV stability, resisting yellowing even under prolonged sunlight exposure.
Q:What is the primary use case for SR-38?
A：It is ideal for applications where structural sealing must be discreet, such as sunrooms, glass roofs, and point-supported glass facades.
Q:What is the movement capacity of this translucent sealant?
A：SR-38 provides a 25-grade movement capacity (±25%) while maintaining its optical clarity.
Q:How should the surface be prepared to ensure maximum clarity?
A：Surfaces must be impeccably clean; using high-purity solvents like isopropyl alcohol is recommended to ensure a residue-free bond.
Q:What is the temperature resistance of SR-38?
A：It performs reliably in temperatures ranging from -40°C to 120°C for both interior and exterior glazing.
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ASTM C920 Class 25
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GB/T 14683
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CE Certified & SGS Tested
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