KINGDELI's MEKO-FREE Neutral Silicone Sealant: Elevating Curtain Wall Performance and Sustainability

Wednesday, April 01, 2026
Helen Luo
Discover KINGDELI's innovative MEKO-FREE, low-VOC neutral silicone sealant, specifically engineered for the demanding requirements of modern curtain walls. This blog post explores how KINGDELI delivers superior adhesion, weather resistance, and environmental responsibility for architectural glazing projects.
KINGDELI's MEKO-FREE Neutral Silicone Sealant: Elevating Curtain Wall Performance and Sustainability

Elevating Modern Architecture with KINGDELI

The Critical Role of Neutral Silicone Sealants in Curtain Walls

The integrity and aesthetic appeal of modern architectural designs, particularly those featuring expansive curtain walls, rely heavily on high-performance sealants. These sophisticated building envelopes demand solutions that offer not only exceptional structural bonding and weatherproofing but also contribute to a healthier environment. KINGDELI, a leader in the sealants and adhesives industry, understands these critical needs, offering advanced products tailored for precision and longevity in demanding applications like curtain wall systems.
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Prdoucts Categories
Question you may concern
HY668
Can HY-668 be used on vertical surfaces?

Yes, HY-668 features non-sag performance, which makes it suitable for vertical joints and overhead sealing applications.

HY732
Is the sealant flexible after curing?

Yes, after curing, HY732 remains flexible, helping it maintain a long-lasting seal even with normal movement or expansion.

HY638
What are the main features of HY-638?

Key performance features include:

  • Non-sag consistency for vertical and overhead applications
  • Fast tack-free time
  • Good adhesion to glass and many common construction materials
  • Flexible, durable cured seal
  • Wide service temperature range after curing
HY722B
What is the shelf life of the product?

The shelf life is 12 months when stored in unopened cartridges under cool, dry conditions.

HY992
Can the sealant be painted?

Yes. HY992 is paintable after curing and is compatible with most water-based and solvent-based architectural coatings. A paint compatibility test is recommended before full application.

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HY992 Modified Polyurethane Sealant is a one-component, moisture-curing construction sealant designed for professional building and structural sealing applications. It provides excellent adhesion, weather resistance, and durable elasticity, making it suitable for a wide range of construction materials.

The formulation delivers strong bonding performance without corrosion or substrate contamination, while maintaining low VOC content for environmentally responsible construction projects.

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HY995 Crystal Clear Ms Polymer Adhesive/Sealant

HY995 Crystal Clear Ms Polymer Adhesive/Sealant is a new generation MS Polymer adhesive / sealant formulated for all bonding and sealing applications where long term reliability is required. It has excellent bonding strength on various materials. It will cure to form a durable, flexible, waterproof seal.

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HY997 High-Performance Anti-Microbial MS Polymer Sealant

HY997 MS polymer sealant for is is a premium one-component, neutral-curing modified silane sealant engineered for demanding interior applications. It offers a Class 20 movement capability, ensuring long-lasting flexibility and reliable performance under dynamic joint conditions. Curing at room temperature, HY997 delivers superior anti-microbial and mildew-resistant properties, maintaining hygienic and clean environments over time.

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KINGDELI HY732 Professional Acetoxy Cure Silicone Sealant

KINGDELI HY732 is a professional-grade, one-component acetoxy cure silicone sealant designed for fast curing, strong adhesion, and long-lasting flexibility. Ideal for aquariums, glass applications, aluminum doors and windows, kitchens, and bathrooms, it provides reliable sealing performance with excellent anti-fungal protection in high-humidity environments.

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Let’s Build Stronger Bonds with Quality Adhesives and Sealants

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+86 188 2594 6249

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