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Sealants
The main difference between adhesives and
sealants
is that sealants typically have lower strength and higher elongation than do adhesives. The main objective of a sealant is to seal assemblies and joints. They adhere to the substrates and
resist environmental conditions
to remain bonded over the required life of the assembly. Sealants contain
inert filler
material and are formulated with an elastomer to give the required flexibility and elongation. They usually have a paste consistency to allow filling of gaps between substrates.
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Case Study
How to Formulate Higher-Performance Construction Sealants?
PU and SR based sealants are considered to be high performance but have certain disadvantages that limit their use. Download Case study to learn how Kaneka MS polymer™ can help you overcome these...
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Case Study
VPS 7163: Superior additive alternative to Dynasylan® GLYMO
Evonik offers a variety of specialty silane additives as adhesion promoters and co-crosslinkers to replace Dynasylan® GLYMO, which is a glycidyloxypropyltrimethoxysilane, in adhesive and...
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Case Study
Formulate transparent SMP-based adhesives & sealants
Many formulators are facing significant challenges when formulating transparent SMP-based (silane modified polymers) adhesives and sealants. Next to questions around transparency or rheology (where...
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