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Adhesives Ingredients
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Adhesives Ingredients
Sealants Channel

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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Dec 27, 2006 | Article

5 Tips for Selecting an Industrial Sealant

With so many products to choose from, making sure you select the proper sealant is especially important. Selecting the wrong industrial sealant, or applying the correct sealant in the wrong manner...

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Apr 5, 2006 | Article

Sealants Based on Acrylic Emulsions

Since the introduction of waterborne sealants in the 1960s, acrylic emulsion formulations have matured commercially as intermediate performance architectural sealants. Some of the earlier problems...

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Nov 23, 2005 | Article

Formulating RTV Silicone Sealants

Silicone polymers display an exceptionally wide range of chemistries and physical properties. These polymers can be low viscosity liquids, crosslinkable elastomers, or hard solids. Adhesives and...

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Nov 8, 2005 | Article

Bitumen Additives for Adhesives and Sealants

Bitumens or asphaltic materials have been used as adhesives and sealants for many centuries. Modern formulations utilize both thermosetting and thermoplastic resins to improve their properties...

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Sep 7, 2005 | Article

Marine Adhesives

The transportation market is one of the larger markets employing adhesive bonding. A subset of that market segment is the marine industry. Although adhesive bonding has been slower to develop in...

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Jul 13, 2005 | Article

The Rheological Evaluation of Sealant Materials

Fillers are used in sealant products to reduce the cost of materials, and to act as both a rheology modifier and reinforcement agent. Many materials are used as fillers and differ in both...

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Jan 5, 2005 | Article

How Sealants Function

Sealants are generally chosen for their ability to fill gaps, resist relative movement of the substrates, and exclude or contain another material. Sealants are generally lower in strength than...

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Nov 24, 2004 | Article

The Global Adhesive and Sealant Market

Worldwide, the adhesive and sealant market grew 3% in 2003 over 2002 in spite of the economic recession affecting industrialized markets in North America, Japan and Western Europe. Contributing to...

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Jun 30, 2004 | Article

Form-in-Place Gaskets

Gaskets play an important function in a variety of products from automobile engines to electronic housings. Gaskets are generally required to seal against outside elements and to prevent fluid...

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Feb 11, 2004 | Article

Adhesive and Sealants in the New Alternative Energy Market

Seldom does a completely new market erupt where adhesives and sealants can play a critical part. Adhesives and sealants are necessary components in the wind turbines, photovoltaic modules, and fuel...

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