MK 2639 is a single component polyurethane sealant. Polymerizes rapidly on contact with atmospheric moisture. Once cured, the product is highly elastic and can be painted.
CONSTRUCTION: sealing joints subject to expansion or not. Sealant joints in floors, industrial land, parking lots, etc..
INDUSTRY: seals and combines different details in the industry. Used in the production of cars, containers, caravans, railway cars, boats, ventilation and air conditioning, bonding mirrors and for different applications in the marine industry.
Not suitable for surfaces exposed to UV rays through glass surfaces or crystal or for plastic materials with high content of plasticizers.