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Industrial Coatings and Repair Composite Products Company Announces New Surface Preparation Method

Belzona Inc., a leading provider of industrial coatings and industrial repair composites, is using a new alternative approach for surface preparation in situations when grit blasting is otherwise impossible. This new approach is an innovative process known as brittle blasting. The method both removes corrosion and generates an anchor profile (also known as an anchor pattern) by utilizing a specially designed rotary bristle tool.

Although most major industrial coatings manufacturers prefer that a substrate undergoes abrasive grit blasting prior to coating, which yields ideal results for product-to-surface adhesion, it is not always feasible. Lack of access, time, or money can preclude optimum surface preparation. Some coating applications are also too small to warrant blasting. Until recently, these scenarios were often compromised with grinding techniques that caused low production rates and high worker fatigue while producing at best a lackluster anchor profile.

In an effort to acquire a substitute for surface preparation that does not greatly sacrifice quality or convenience, Belzona intensely researched and lab tested several alternatives. Belzona recently conducted full scale testing and has found that bristle blasting can meet SSPC SP-11 on most substrates. Production rates, while not fast enough to accommodate large coating and industrial composite applications, are acceptable and vastly superior to grinding. Overall, Belzona Inc. found bristle blasting to offer a very appealing alternative in situations where conventional open blasting is not possible.

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