Elastische Klebstoffe REIFF Technische Produkte

Elastic Adhesives

Elastic bonding is the process of joining two similar or dissimilar materials together using an elastic adhesive. The advantage of elastic adhesives is that they tolerate any movement between the parts. In addition to their elasticity, many adhesives in this family have high internal strength (cohesion) and a relatively high modulus of elasticity. As a result, they provide material-locking bonds that also have elastic properties.

Silicones
Polyurethanes
MS polymers
Brands

Silicones crosslink through humidity (1K), after mixing (2K) or through the effect of temperature to form a rubber-like high-performance elastomer. This enables elastic bonding and sealing with high flexibility. Silicones are characterized by their UV resistance, media resistance and high temperature resistance.

Advantages of silicones

Elastic bonding and sealing with high flexibility
1- or 2-component solution
Excellent temperature resistance
excellent UV and chemical resistance, e.g. in contact with oil, water, glycol
Adhesion to many materials without primer
Excellent resistance to weathering and radiation
excellent environmental compatibility and physiological harmlessness
Water-repellent surface and low moisture absorption
high chemical purity

Polyurethane adhesives are mainly available on the market as 1-component products. They cure by absorbing moisture from the air to form an elastic mass. Depending on the setting, these materials are soft to hard elastic, but can also be filled/spread.

Advantages of polyurethanes

Easily flexible connections
Bridging of larger gap widths
high strength
for medium to large-area applications
good chemical resistance

Silane-modified adhesives and sealants based on MS polymers are designed as 1-component systems and cure by absorbing moisture from the air to form high-performance elastomers. They contain an adhesion promoter (primer) in their formulation.

Advantages of MS polymers