INGADA™ SR-25 Weatherproof Silicone Sealant – UV-Resistant Exterior
Non-Staining High-Movement Sealant for Modern Building Envelopes
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The Pain: “Oily bleeding” and dark stains on expensive stone or aluminum panels caused by cheap silicone sealants.
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The Solution: INGADA SR-25 is a clean-chemistry sealant. It protects the integrity of your building’s exterior, ensuring that the joints remain as clean and pristine as the day they were installed—no matter the movement or the weather.
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±25% Movement Capacity: Specifically engineered to absorb significant joint movement caused by thermal expansion and wind loads.
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100% White-Oil Free Formula: Prevents unsightly oil migration and substrate staining on sensitive stone, concrete, and light-colored facades.
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Elite Weatherproofing: Maintains a flexible, waterproof seal in extreme environments ranging from -40°C to 120°C.
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Multi-Substrate Versatility: Superior adhesion to aluminum, glass, masonry, and painted steel without the need for complex pre-treatments.
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Optimized for Professionals: Features a 30-60 minute skin time for smooth finishing and predictable curing in high-volume construction.
Technical Performance Comparison
| Feature | Technical Specification | Benefit for B2B Buyers |
| Movement Class |
Class 25 (ASTM C920) |
Suitable for high-rise curtain walls. |
| Temp Range |
-40°C to 120°C |
Global applicability in any climate. |
| Skin Time |
30–60 Minutes |
Balance between workability and speed. |
| Full Cure |
24–48 Hours |
Rapid development of weather seals. |
| Stain Resistance |
White-Oil Free |
Protects architectural aesthetics. |
Q:What is the movement capacity of SR-25?
A：SR-25 handles ±25% joint movement (Class 25), which satisfies the requirements for most standard building expansion and contraction.
Q:Is SR-25 suitable for renovation projects?
A：Yes, its balanced performance and cost-effectiveness make it a versatile solution for both new construction and renovations.
Q:Will this sealant stain my building's brickwork?
A：The white-oil-free formulation ensures clean, durable seals that will not contaminate or stain brick, stone, or concrete.
Q:What are the recommended application temperatures for SR-25?
A：It is best applied between 0°C and 40°C; application during direct rain should be avoided.
Q:How do I ensure the best bond with SR-25?
A：Proper surface preparation is key：ensure the substrate is dry and clean of dust or grease, and maintain a standard 1:2 depth-to-width ratio for movement joints.
ASTM C920 Class 25 | GB/T 14683 | CE Certified | SGS Tested
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