Material family
Rheology modifiers
Additives for adjusting flow, sag control and formulation stability.
Role in the system: Control of viscosity and structure.
Selection on request
RAW MATERIALS FOR INDUSTRY
Sealants
Selection between PU and silane-modified technologies based on joint movement and contacting materials.
Technical challenges
- Define cure mechanism and elasticity
- Check adhesion and primer requirements
- Adjust application and sag resistance
What to include in your brief
- Joint materials and dimensions
- Movement, moisture and service conditions
- Application method, packaging and surface requirements
Components to discuss
Material family
Tackifier resins
Resins for adjusting initial tack and adhesive viscoelastic behavior.
Role in the system: Modification of polymer-base tack.
Selection on request
Material family
Silane-modified polymers
Bases for moisture-curing sealants, using a distinct technology and component selection.
Role in the system: Formation of an elastic silane-crosslinked binder.
Selection on request
Material family
Polyether polyols
Polyol components for adjusting flexibility and reaction behavior of PU systems.
Role in the system: Polyol part of the polyurethane reaction.
Selection on request
Material family
Polyisocyanates
Reactive PU components. The exact grade and handling conditions must be checked before an offer.
Role in the system: Isocyanate crosslinking component.
Selection on request
Material family
PU catalysts
Components for adjusting reaction rates, without a universal addition recommendation.
Role in the system: Control of polyurethane reaction kinetics.
Selection on request
Component compatibility and final properties require document review and trials. This component list is not a formulation.
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