WIKO Adhesive Competence Center
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S 29 Posts in this encyclopedia category

Screw locking varnish

Threadlocker is a liquid or paste applied to threads to prevent bolts or nuts from loosening due to vibration or other forces. 


Sealants are materials used to seal gaps and crevices between components to form a watertight and airtight barrier.

secondary packaging

The secondary packaging is the packaging in which the filled product is offered in the primary packaging. 

Setting time

The setting time refers to the period of time that elapses before an adhesive has reached its final strength.

shear forces

Shear forces occur in components with overlap bonding or also in liquids. They describe forces from different directions that act on a bond and cause deformation.

shear rate

The shear rate refers to the speed at which different liquids move past each other.


Shore hardness is used in the quality control of various adhesives to ensure that the products meet the requirements.


Shrinkage is a physical phenomenon in which a material changes its dimensions due to external influences such as heat or humidity. 


Silicates are chemical compounds containing silicon and oxygen that are widespread in nature. 

Silicone adhesive / Silicone sealant

Silicone adhesives and sealants are special adhesives that are made on the basis of silicone and usually have high heat and chemical resistance. 


Silicones are synthetic polymers based on silicon and oxygen. They have a wide range of industrial uses, including as lubricants, sealants, etc.

skinning time

Time in which a "solid" skin forms on the adhesive. It describes the time before which the parts to be joined must be brought together and fixed.


SMP (Silyl Modified Polymers) adhesives are a type of adhesives made on the basis of silane-modified polymers.


Soldering is a method of joining metals using a metal alloy (solder) with a lower melting point than the metal being joined. 


Solvents are liquid or gaseous substances used to dissolve, dilute or suspend other substances. 

Solvent based adhesives

Solvent-based adhesives are a type of adhesive that use organic solvents as carriers for the adhesive ingredients.

Spin-off products

Release products are substances that are formed as a by-product during the chemical reaction of an adhesive. These can influence the adhesive and its properties.


In adhesive bonding, stability describes the ability of a liquid adhesive to maintain its shape or position to the greatest extent possible.

storage stability

Storage stability refers to a product's ability to maintain its chemical and physical composition over time in storage. 


Strength is an important property of materials and describes their ability to withstand stress without breaking or deforming.


Stress refers to the load to which an adhesive is subjected while performing its task. This can be caused by tensile, compressive or shear forces, for example.

structural adhesive

Structural adhesives are adhesives specifically designed for joining materials in structural applications. 

structural bonding

Structural bonding refers to the joining of materials through the use of special adhesives that enable high strength and rigidity. 

Pęknięcie podłoża

Pęknięcie elementu łączonego to taki rodzaj pęknięcia, który występuje całkowicie poza warstwą kleju. Wytrzymałość kleju jest większa niż wytrzymałość własna klejonych elementów.

surface tension

Surface tension is a physical property of liquids that manifests itself at the interface between the liquid and the surrounding air.

surface treatment

Surface treatment refers to the process of modifying material surfaces to improve or change their properties. 


A suspension is a heterogeneous mixture of a solid and a liquid medium, in which the solid does not completely dissolve but is distributed in small particles in the medium. 
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