Road American
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Suppliers should provide documented compliance to the applicable national or project specification, plus consistent certificates of analysis for each batch. Beyond product compliance, buyers often look for quality management certification such as ISO 9001 and evidence of calibrated lab equipment. For regulated markets, transport classification documentation and SDS compliance are required. For performance critical waterproofing systems, ask for test reports on residue properties, adhesion, flexibility, and aging, and verify that test methods are recognized and repeatable. The most valuable “certification” is a transparent, auditable QC system with traceable batches and retained samples.
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