Simson adhesives and sealants, now a part of Bostik, combine the best of both worlds by blending the strength of polyurethanes and the weatherability of silicones.

These products are single part, moisture cure, have a variety of viscosities and green strength properties to be suitable for many bonding applications.

Used for years in Europe in manufacturing and assembling panels and components for train cars, busses, and truck bodies, they offer an environmentally appropriate alternative.

Simson products are isocyanate free, non yellowing, and high green strength for quick assembly without clamping and fixturing in many cases.

Bostik Sealants are based on a variety of moisture curable polymer technologies to custom fit to your application requirements for cure rate, strength, durability and environmental capability.

These technologies include:

Polyurethanes

Sylyl polyurethane sealant (SPS)

Sylyl modified polymers (SMP