Archivos del Autor: Tengyu Technical

Acrylic joint sealants are widely specified for interior perimeter sealing, baseboards, and drywall gaps. Standard acrylic caulk needs 2 to 4 hours to dry; painting too early causes the paint to crack. Tengyu TA101 fast drying acrylic caulk is a fast dry acrylic sealant engineered for interior paintable joints. With  5-10 minutes of skin time,[…..]

PU sealants can bubble in humid conditions and deteriorate under prolonged UV exposure. Silicone sealants resist weathering but cannot be painted and may stain porous stone. They combine all-weather durability with permanent flexibility—curing without bubbles and sticking firmly to concrete, aluminum, wood, and masonry without primers. Below is a quick technical comparison between MS polymers,[…..]

For commercial flooring projects, PSA vinyl flooring adhesives must meet bonding requirements and offer excellent application versatility. Factors such as installation performance, open time, and compatibility with various flooring materials and substrates directly impact on-site installation. Tengyu TA202 Acrylic PSA Flooring Adhesive is designed for vinyl flooring applications and commercial flooring projects. It is available[…..]

South African roofs face strong sunlight, high temperatures, heavy rain, and changing weather conditions. Over time, these conditions can lead to cracking, aging, and water leakage. High-solids silicone roof coating forms a seamless, flexible waterproof layer that helps protect commercial roofs from UV exposure while accommodating the normal movement of roofing materials. For contractors, distributors,[…..]

Modified polymer sealant samples should be tested under conditions that closely reflect the actual project. Check adhesion, curing, and joint movement to confirm suitability for concrete joints. How to Test Silane Modified Polymer Sealant Samples Check the Joint and Substrate Test the MS hybrid sealant on the actual concrete or other substrates used in the[…..]

It is not uncommon for curtain wall sealants to yellow or discolor. While the color may appear normal immediately after installation, the sealant surface can begin to yellow, darken, or show localized color changes over time. This phenomenon is not necessarily caused by surface dirt; it may also stem from the sealant’s formulation, UV exposure,[…..]

Roofs are constantly exposed to rain, sunlight, and high temperatures; consequently, the selection of a waterproofing system is the most critical aspect of roofing projects. For large-scale roofs and exposed building structures in particular, waterproofing coatings require not only effective waterproofing capabilities but also excellent adhesion and flexibility. Exposed polyurethane (PU) waterproofing coatings are a[…..]