TEROSON® PU 8521 is a premium-quality adhesion promoter and bonding agent for improving the adhesion of glass bonding applications, as well as plastics, metals, and painted surfaces. TEROSON® PU 8521 has a service temperature range of ─40°C to 90°C.
TEROSON® PU 8521 is a low-viscosity polyurethane-based-primer with excellent covering properties and UV stability. It enhances the bonding capabilities of 1c and 2c adhesives in glass bonding applications and treats surfaces for the care of machinery and industrial components. It is formulated free of chlorinated hydrocarbons and aromatic solvents for enhanced safety and sustainability.
Color: Black
Odor: Smell of ketones
Consistency: Thin liquid
Density, g/cm³: approx. 0.97
Solids, %: approx. 30
Drying time, (23°C, 50 % RH), min: 2 to 10 min
In service temperature range, °C: ─40 to 90
Short exposure (up to 3 h), °C: 120
Primary Chemistry: Polyurethane
Poor bonding of glass, plastics, metals, and painted surfaces Damage to bond performance or appearance from UV or adhesive sag
Promoter for glass bonding applications
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