Top 10 Quality Silicone Sealant Suppliers

Silicone sealants are a staple in construction, automotive, and various industrial applications due to their excellent flexibility, durability, and resistance to environmental factors. Finding a reliable supplier for quality silicone sealants can make a significant difference in the success and longevity of your projects.

Here’s a rundown of the top 10 quality silicone sealant suppliers renowned for their products and services:

1. Dow Corning (now Dow Inc.)

Dow Corning, now part of Dow Inc., is one of the most recognized names in the silicone sealant industry. They offer a wide range of silicone sealants known for their superior quality and performance. Their products are widely used in construction, automotive, and electronic applications. Notable products include Dow Corning 737 Neutral Cure Sealant and Dow Corning 795 Silicone Building Sealant.

2. Kingwit Sealant

Kingwit is a global leader in silicones, with a strong reputation for innovation and quality. Their silicone sealants are used in a variety of applications, including construction, automotive, and consumer goods. Kingwit's products, such as MS polymer sealant and Self  Leveling Silicone Sealant, are known for their durability and performance under extreme conditions.

3. Henkel (Loctite)

Henkel’s Loctite brand is synonymous with reliability and quality in adhesive and sealant solutions. Loctite silicone sealants are widely used in automotive, electronics, and general industrial applications. Products like Loctite SI 595 and Loctite SI 5980 are popular choices for their excellent adhesion and resistance properties.

4. 3M

3M is a global innovation company with a strong presence in the sealant market. Their silicone sealants are trusted for a variety of applications, including automotive, aerospace, and construction. 3M's Marine Grade Silicone Sealant and 3M Fire Barrier Silicone Sealant are examples of their high-quality offerings.

5. Sika AG

Sika is a specialty chemicals company with a comprehensive range of silicone sealants tailored for the construction and industrial sectors. Known for their high-performance products, Sika offers solutions such as Sikasil WS-305 CN and Sikaflex-221, which are celebrated for their adhesion, flexibility, and weather resistance.

6. GE Sealants & Adhesives

GE, a brand under Momentive, offers a robust line of silicone sealants that are widely used in construction and home improvement projects. Their products, such as GE Silicone II and GE SilGlaze II, are renowned for their longevity and performance in sealing applications exposed to harsh weather conditions.

7. Bostik

Bostik, a subsidiary of Arkema, is a leading global adhesive specialist with a strong line of silicone sealants. Bostik’s products, including Bostik 70-03A and Bostik 70-08A, are known for their strong bonding capabilities and versatility across different substrates and applications.

8. Wacker Chemie AG

Wacker is a global chemical company with a reputation for high-quality silicone products. Their silicone sealants are used extensively in construction and industrial applications. Notable products include Wacker 121 and Wacker 120, which are valued for their reliability and ease of application.

9. Dap Products Inc.

Dap is a leading manufacturer of caulks, sealants, and adhesives, known for their easy-to-use and effective products. Dap’s silicone sealants, such as DAP 100% Silicone Rubber Sealant and DAP Dynaflex Ultra, are popular in both professional and DIY markets for their durability and flexibility.

10. Mapei

Mapei is a global leader in the production of adhesives and sealants for the building industry. Their silicone sealants, including Mapesil AC and Mapesil LM, are highly regarded for their performance in construction applications, providing excellent adhesion and weather resistance.