Sika Primer-173 (Previously Masterseal P 173)

Sika Primer-173: The Professional’s Choice for Enhanced Sealant Adhesion

Sika Primer-173 is a high-performance, solvent-based primer specifically designed to enhance the adhesion of a wide range of Sikaflex sealants on multiple substrates. Whether you’re working indoors or outdoors, this primer is versatile enough to ensure superior bonding and longevity of sealant applications.

Effective on Various Surfaces

Suitable for concrete, masonry, metal, and especially fluorocarbon coatings on aluminum, Sika Primer-173 is the go-to primer for professionals. Its quick-drying formula simplifies the preparation process, making it ideal for projects that require a fast turnaround without sacrificing quality.

Advantages of Using Sika Primer-173

• Quick Drying: Minimizes downtime, allowing for faster progression of projects.
• Enhanced Adhesion: Promotes superior bonding of Sikaflex sealants to various substrates, crucial for long-lasting results.
• Versatile Use: Compatible with all Sika polyurethane sealants, it provides flexibility across multiple applications, making it a staple in any contractor’s toolkit.
• Convenient Packaging: Available in one-pint cans, it is easy to handle and apply, ensuring a neat and efficient application process.

Technical and Safety Specifications

With a shelf life of two years and a coverage of 35–40 square feet per pint, it offers an economical solution for projects of any scale. The light amber color and solvent base ensure it prepares surfaces effectively without leaving unwanted residues. Always ensure surfaces are clean, dry, and free of contaminants before application to achieve optimal results.

Essential for Professional Applications

Sika Primer-173 is not just a primer but a crucial part of ensuring the durability and effectiveness of sealant applications in construction and repair jobs. Whether sealing joints in high-movement areas or ensuring weatherproofing in exterior installations, this primer delivers reliability and performance that professionals trust.