Epoxies, silicones, polyurethanes, polysulphides and ultraviolet curing adhesives are produced for structural adhesives resistant to exposure to water, moisture and steam. Many special grades of epoxy are formulated to withstand exposure to liquids and vapors, even at elevated temperatures. These products are water resistant products with certain degrees of enhanced performance, including but not limited to:
In addition, these products are produced in various viscosities and hardnesses and hardening rates.
Adequate product protection is essential to prevent premature failure due to moisture. The systems are designed to maintain physical strength properties, prevent degradation at the substrate-adhesive interface while providing effective sealing strength. These durable polymeric products have been developed to address specific needs and susceptibility to moisture attack causing tearing, delamination, swelling, cracking, shrinkage, blistering. They effectively reduce corrosion, have superior resistance to water permeability, adhere well to multiple substrates, and provide long-term durability after aging. These solvent-free compositions can withstand a combination of stress, humidity and temperature. Its sealing ability on metallic surfaces has been successfully proven in marine environments. In advanced laboratories, detailed tests are carried out to determine the water resistance of the adhesive.
Exterior adhesives used in materials intended for exteriors differ from interior applications. The challenge of keeping things glued together in potentially outdoor conditions is entirely different from working with indoor applications that don't see wetness, humidity, ultraviolet rays or wide temperature fluctuations. For outdoor projects to last, more is needed than ordinary glue. Wood is the most commonly bonded exterior material and there are generally four main options for bonding: crosslinking PVA adhesive, polyurethane adhesives, epoxies and construction adhesives. Among them, polyurethane adhesives are waterproof enough to be used in all exterior adhesive applications. It is also used on plastic or metal surfaces as well as wood.
Among the numerous test, measurement, analysis and evaluation studies it provides for businesses in various sectors, our organization also provides water resistance testing services of bonding with its trained and expert staff and advanced technological equipment.
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