Quality Control

Our Quality Control Procedures

Al Nawras has established the quality management system conforming ISO 9001, QMEA and QUALICOAT. We are committed to enhancement of customer satisfaction by meeting the customer’s requirements and expectations. To fulfil this commitment, Al Nawras has set a panel of qualified QC engineers and installed following instruments for testing in-process and finished material quality.

  • Color comparison : To ensure the color matching with the reference with the reference samples Gloss test: According to ISO 2813 (using incident light 60 degrees), then compare the results with the required values.
  • Film thickness According to ISO 2360, this test is done by using film thickness in a range of (60:90 microns).
  • Adhesion test: According to ISO 2409, By using cross hatching cutter with 2mm blades gaps to ensure the adhesion between powder and substrate surface
  • Pencil hardness test: According to ISO 15184 by using pencils with various hardness values to ensure scratching resistance.
  • Impact test: According to ISO 6272 By using impact tester to ensure the coating resistance for impact action without failure.
  • Polymerization test: By using solvents to ensure the curing process for the coating film.
  • Resistance to humidity: to ensure the humidity resistance for the coating by using a special weather stimulator for 1000 hours
  • Salt spray test: By using salt spray cabinet for 1000 hours test period to ensure salty media resistance for the coating.

AL Nawras Metal Coating

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