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MS Polymer Sealant
MS Polymer Sealant
MS polymer sealant combines the strength of polyurethane with the paintability and weathering resistance of silicone. Its advanced hybrid technology based on silyl-modified polyethers is solvent-free and isocyanate-free, making it safe for use on wet surfaces without the risk of blistering or degrading over time. It also offers high extreme-temperature resistance and primerless adhesion.
The chemistry of ms polymer sealant is unique in the adhesive and sealant world, relying on a patented process to create a strong, durable bond. The silane-terminated chemistry of the MS polymer reacts with atmospheric moisture to neutralize and cross-link, creating a resilient elastomeric seal that withstands severe environmental stressors.
They are safe for workers. MS polymer sealants do not contain isocyanates, which are skin-irritating and can cause breathing difficulties during application. This makes them safer for construction and industrial applications. Additionally, they do not vaporize like traditional polyurethane adhesives, which can irritate the eyes and respiratory system.
MS sealants are also waterproof when cured, making them an ideal choice for wet substrates. They are also resistant to harsh weathering, including UV rays, which can damage and discolor conventional silicone. This durability makes them a popular choice for exterior applications.
The high strength of ms polymer sealants means they can be used for structural joints in construction projects and for sealing expansion joints. Their low VOC content makes them suitable for food packaging assembly, and their paintable surface maintains aesthetic quality. They are also highly flexible, allowing slight movement in materials while maintaining integrity and preventing cracking or shrinking.
Their versatility extends to commercial, industrial and marine applications. They can be used to bond metal and concrete, plastics, PVC, and fiberglass. They are ideal for sealing and bonding glass panels in curtain walls, and they can withstand vibrations and dynamic stresses in vehicles and machinery.
When selecting an ms polymer sealant, look for a supplier with comprehensive Technical Data Sheets (TDS), Safety Data Sheets, and proof of strict quality control, such as ISO 9001 compliance documentation. A reputable supplier will also have knowledgeable customer service representatives that can help you select the correct modulus for your application.
MS polymer sealants are a great alternative to silicone, which is prone to bleed oil that can stain surfaces and attract dirt. The hybrid chemistry of MS sealants also results in a superior paintability, allowing them to be painted with most water-based and oil-based coatings. This improves the aesthetic of your project by limiting unsightly streaking and blemishes. It also helps to ensure the longevity of your installation. To keep your MS sealant looking its best, it’s important to clean the surface regularly to prevent buildup. Aside from cleaning, the key to extending the life of your MS adhesive is to follow proper application and storage procedures.
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