Dow Corning HM-2520 Assembly Sealant is a 100 percent silicone, neutral-cure sealant formulated to have immediate adhesion which offers assembly improvements and uses in many production applications. Products made with this can be immediately handled. As a viscoelastic material, when cured and then exposed to high temperatures, this product will soften but recovers to its typical properties when cooled down.
Instant green strength
Low VOC (VOC exempt in CA)
Safe to handle – nonhazardous composition and by-products
Adheres to most common substrates
Open time up to 15 minutes
Pot life up to 24 hours
Service temperatures from -50 to 300°F (-45 to 150°C)
Can be used with standard hot melt dispensing equipment
High tensile strength
Dow Corning HM-2520 Assembly Sealant is designed for use as an assembly sealant. This product utilizes hot melt technology to dispense the material which utilizes silicone technology to achieve instant green strength when dispensed and cures to strong moisture cured silicone sealant.