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MS Polymer Sealant: The Complete Buyer’s and Specifier’s Guide
Four questions decide whether an MS polymer sealant joint survives its service life: Does the joint move more than the declared class allows? Will the sealant stay bonded to that specific substrate pair across the service temperature range? Can it be installed...Read more -
SIWAY to Exhibit at Glasstech Asia & Fenestration Asia 2026 in Kuala Lumpur – Visit Us at Hall 4, Booth F-04
November 10–12, 2026 | MITEC, Kuala Lumpur, Malaysia | Hall 4 – F-04 Shanghai Siway Building Material Co., Ltd. (SIWAY), a professional manufacturer of silicone sealants and building adhesives, is pleased to announce its participation in Glasstech Asia & Fenestr...Read more -
How to Read EN 15651, ISO 11600 and ASTM C920 Grades on an MS Sealant Datasheet
A sealant grade string is a contract term, not a marketing label. EN 15651-1 F-EXT-INT-CC 25LM states six separate things: which part of the standard applies, which building element the product is for, whether it is approved for exterior and interior use, whether it h...Read more -
What Is MS Polymer Sealant? Definition, Chemistry and Curing Mechanism
MS polymer sealant is a high-performance hybrid sealant based on silane-terminated polyether (STPE)—broadly referred to in the industry as silyl-modified polymer (SMP). Combining the high mechanical strength and excellent paintability of polyurethanes with the outsta...Read more -
Polyurethane vs. Polysulfide Sealant: Performance and Application Guide
Choosing between polyurethane (PU) and polysulfide sealant is an important decision in construction, infrastructure, glazing, and industrial sealing projects. Although both materials are used to create flexible, durable seals, they differ in chemical structure, adhesion ...Read more -
SIWAY 2026 Year in Review: 40+ Years of Expertise, Innovation and Global Growth
40+ Years of Expertise. Continuous Innovation. Global Connections. As 2026 continues to unfold, Shanghai SIWAY looks back on a year shaped by product development, manufacturing expertise, international exhibitions, customer collaboration and...Read more -
SIWAY at ASE CHINA 2026: Connecting Sealant Solutions with Global Industry Needs
Shanghai SIWAY Building Material Co., Ltd. successfully participated in the 29th China International Adhesives & Sealants Expo (ASE CHINA 2026), held from September 15 to 17, 2026, at the Shanghai New International Expo Centre (SNIEC). As one of the important i...Read more -
Siway to Exhibit at ASE China 2026 in Shanghai
Shanghai, China — Shanghai Siway Building Material Co., Ltd. will participate in ASE China 2026, the 29th International Adhesives and Sealants Expo, from September 15 to 17, 2026, at the Shanghai New International Expo Centre (SNIEC). Visitors are warmly invited to meet ...Read more -
How to Choose a Polyurethane Sealant Manufacturer and Supplier
Choosing a polyurethane sealant manufacturer is not simply a matter of comparing unit prices or selecting the supplier with the largest online catalogue. Polyurethane is a broad product family. A self-leveling material for a horizontal concrete expansion joint, a waterp...Read more -
Why Does Polyurethane Sealant Bubble, Crack, or Debond? Causes, Fixes & Prevention
Why does polyurethane sealant fail? Polyurethane sealant failure typically stems from environmental conditions or application errors. Bubbling is often caused by moisture in the substrate reacting with the PU chemistry or outgassing from porous materials during rising te...Read more -
Polyurethane Sealant Curing Time: What Affects It and How to Check Cure
Polyurethane sealant curing time is not one universal number. A sealant may form a skin at the surface long before it has cured through its full depth or is ready for water exposure, traffic, glazing, assembly release, painting, or another service condition. To estimate...Read more -
How to Apply Polyurethane Sealant: A Step-by-Step Joint Sealing Guide
Knowing how to apply polyurethane sealant correctly is as important as selecting the product itself. A successful joint seal depends on the right sealant category, sound and clean substrates, correct joint geometry, compatible backing, controlled application, proper too...Read more
