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Chapter 14- Performance Testing (eChapter from A Guide to High Performance Powder Coating) Image

Chapter 14- Performance Testing (eChapter from A Guide to High Performance Powder Coating)


Author(s)/Editor(s): Bob Utech
Published By:
SME

Published: 06/01/2002
Product ID:
BK02PUB4_E_CH-14
ISBN:
978-1-62104-045-3

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SME Members: $ 8.00
Non members: $ 10.00

Description

Many tests and standards assess the performance properties of powder coatings. Some tests are administered only once and others are administered at periodic intervals. This chapter provides an overview of common industry tests and standards. Powder performance depends on a variety of factors, especially the quality and formulation of the materials, the type and condition of the equipment applying the powder, and the skill of the equipment operator applying it. Most powder-coating failures can be traced to an inadequate knowledge of processes, improperly maintained equipment, or inadequate substrate pretreatment. Each factor must be carefully monitored in any powder-coating process. Powder manufacturers can provide information on specific tests and on a testing schedule. End users and powder manufacturers need to agree beforehand what constitutes the failure or success of a particular coating. Employees responsible for testing should be thoroughly trained and given written testing procedures so tests can be performed consistently. Accurate record-keeping of performance tests and results allows those responsible for quality control to track and evaluate whether the process is working smoothly.