What is the Difference Between Body Filler Adhesive and Structural Adhesive?
1 Answers
Body filler adhesive, also known as automotive body filler adhesive or PU structural adhesive, is primarily composed of polyurethane (PU). It features fast curing, excellent elasticity, strong adhesion, and can be painted after curing. Structural adhesive refers to high-strength adhesives (compressive strength >65MPa, steel-to-steel tensile strength >30MPa, shear strength >18MPa) with superior strength, peel resistance, impact resistance, and simple application processes. It is used for bonding metals, ceramics, plastics, rubber, wood, and other similar or dissimilar materials. It can partially replace traditional connection methods such as welding, riveting, and bolting. The stress distribution on the bonding surface is uniform, with no thermal effects or deformation on the parts.