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SSPC Announces New Polyurea Standard

Thursday, January 2, 2014

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Performance requirements for polyurea and polyurea/polyurethane hybrid coatings used to protect industrial structures are the focus of a new technical standard by SSPC: The Society for Protective Coatings.

SSPC-Paint 45, Two-Component, Thick-Film Polyurea and Polyurea/Polyurethane Hybrid Coatings, Performance-Based is designed to establish performance criteria for these coatings. Coating manufacturers and specifiers may use the standard as a set of performance benchmarks, SSPC said.

The standard was developed by committee C.1.9, Polyurea Coatings Committee, which is chaired by Dudley Primeaux of VersaFlex Inc.

Coatings that meet the requirements of the new standard may be applied on steel or concrete substrates, either directly to the substrate or over a compatible primer. Interior and exterior environments include fresh-water and salt-water splash zones, fresh- and salt-water immersion, and soil immersion.

SSPC-Paint 45
©iStock / mcdc

The new SSPC-Paint 45 describes performance requirements for polyurea and polyurea/polyurethane hybrid coatings used to protect industrial structures.

SSPC-Paint 45 may be purchased through the SSPC Market Place.

Coatings Covered

SSPC-Paint 45 contains minimum performance requirements for two types of two-component polyurea coatings (Type I)  and two types of polyurea/polyurethane hybrid coatings (Type II). Within each type, coatings may be classified as fast-cure (i.e., dry hard times of less than two minutes) or moderate cure (i.e., dry hard times ranging from two to 30 minutes).

The standard describes two performance levels based on resistance to deterioration by artificial weathering. Level I coatings are suitable for interior exposure; Level II coatings have demonstrated superior resistance to deterioration by artificial weathering (ultraviolet light) and are more appropriate for exterior exposure.

Additional performance properties evaluated by laboratory testing include tensile strength, elongation, tear strength, linear curve shrinkage, abrasion resistance, permeance and adhesion tests. Coatings for immersion service must also meet performance requirements for hardness retention, resistance to blistering and delamination, and resistance to mass and volume change.

About SSPC

SSPC is the only non-profit association that is focused on the protection and preservation of concrete, steel and other industrial and marine structures and surfaces through the use of high-performance protective, marine and industrial coatings.

SSPC is the leading source of information on surface preparation, coating selection, coating application, environmental regulations, and health and safety issues that affect the protective coatings industry.

   

Tagged categories: Certifications and standards; Exterior painting; Hybrids; Interior coatings; Polyurea; Polyurethane; SSPC

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