INGADA™ MS-635 Ultra-Low Modulus Expansion Joint Sealant – Silane-Modified Polyether
Superior ±35% Movement for High-Demand Infrastructure
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Maximum Stress Absorption: Perfect for high-movement curtain walls where traditional sealants lose adhesion.
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Zero-Maintenance Reliability: 3,000-hour UV stability ensures your seals won’t degrade in harsh sunlight.
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Heavy Infrastructure Ready: Engineered for the rigorous demands of bridges, tunnels, and seismic zones.
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Superior 35-Grade Movement: Specifically engineered for joints subject to extreme structural movement (±35%).
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Stress-Relief Engineering: Ultra-low $0.4\text{ MPa}$ tensile modulus significantly reduces stress transfer to protect structural integrity.
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Industrial-Grade Durability: Designed for high-demand applications including bridge expansion joints and tunnel systems.
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Green Building Certified: Dual certification with French A+ and China Green Building 3-Star for sustainable infrastructure.
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Dynamic Flexibility: Fully paintable after curing while retaining maximum elasticity under seismic or vibration loads.
Technical Comparison
| Feature | Specification |
| Movement Capacity |
35-Grade (±35%) |
| Tensile Modulus |
0.4 MPa (Ultra-Low) |
| Fatigue Testing |
5,000 cycles |
| Certifications |
French A+ / Green Building 3-Star |
| Temperature Stability |
-40°C to 90°C |
Q：What movement class does MS-635 fall under?
A:MS-635 is a 35-grade movement capacity sealant (±35%), making it ideal for high-demand joints in prefabricated buildings and curtain wall systems.
Q：What is the specific tensile modulus of MS-635?
A:It features an ultra-low modulus of 0.4 MPa. This characteristic is critical for protecting the structural integrity of substrates by reducing stress during movement.
Q：How does MS-635 handle long-term UV exposure?
A:The product features "Triple Weather Resistance," having passed 3000 hours of UV exposure testing without yellowing or degradation.
Q：What are the recommended joint dimensions for this sealant?
A:MS-635 is suitable for high-movement joints up to 50mm wide, with a recommended depth-to-width ratio of at least 1:2.
Q:Does this product meet international environmental standards?
A:Yes, MS-635 is solvent-free and compliant with both RoHS and REACH regulations.
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China Green Building 3-Star
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French A+ Indoor Air Quality
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RoHS & REACH Compliant
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SGS Verified
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