Articles Tagged with ''sealants in construction''

SpecialChem bathtub sealants

How Sealants Function

How do the application and performance characteristics of sealants correlate to the composition of the sealant formulation?
Edward M. Petrie
February 27, 2006
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 adhesives, but have better flexibility. Usually, a sealant must effectively bond to a substrate in order to perform these functions.
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building sealant standards

U.S. Sealant Standards in Building Construction

Sealants must be applied according to the manufacturer’s instructions, which generally correspond with industry guides and practices.
Edward Clutter
April 20, 2001

Standards are an important aspect of your business. If you manufacture, purchase, or use sealants or if you supply raw materials for sealants, your company relies on standards every day. R&D uses test methods and specifications to characterize, compare and develop products. Marketing and Sales use these same standards to advertise and promote products. When materials or sealants are purchased, they must comply with specifications.


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Asphalt-Modified Polyurethanes Show Advantages in Construction Sealants

Poly bd resins are used in adhesives, sealants, castable elastomers, caulks, membranes, foams, coatings, propellant binders, potting and encapsulating compounds, as well as other rubber-fabricated materials.
June 1, 2000

Poly bd resins, from Elf Atochem North America Inc., Philadelphia, are liquid, hydroxyl-terminated homopolymers of butadiene. The facile reaction of Poly bd resins with curing agents such as conventional di- and polyisocyanates provides an economical route to the preparation of general-purpose elastomers. The unique structure of these resins provides properties that surpass conventional polyether and polyester urethane systems, as well as conventional, general-purpose rubbers.


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