Road American
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What certification and in-house testing capabilities should be verified when selecting bitumen emulsion manufacturers?
Verify that the supplier can demonstrate consistent compliance with relevant road or waterproofing specifications, and that they run routine in house QC for key parameters. Essential capabilities include residue tests, viscosity, sieve, storage stability, pH, particle charge for cationic grades, and breaking behavior checks. Ask for calibration records, traceability for raw materials, and batch certificates. Also verify they have documented procedures for non conforming product handling and that they can provide technical support for application and troubleshooting, not just paperwork.
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