CATAS QUALITY AWARD COATING SYSTEM FOR EXTERIOR WOOD PLUS Certifies the quality of the coating cycle of products for external use.

To provide this warranty, the product must pass specific tests for exterior, specifically established for the purpose of ensuring the protection of wood and quality control of the production batches. The same as with the Certificate CATAS QUALITY AWARD COATING SYSTEM FOR EXTERIOR WOOD. The definition PLUS indicates the addition of  a double natural aging test (2 years). The tests are to confirm these performances:

• Tensile strength (CATAS WKI)
• 2 years of natural aging (double than that provided by EN 927-3)
• artificial aging using certified equipment (EN 927-6)
• Water permeability. (EN 927-5)
• Non-volatile substances within the limits defined: the solid content must conform to the technical and safety sheets (UNI EN ISO 3251)
• Actual presence in the coatings of the substances declared using Gas chromatographic analysis (PTP CATAS)
• Effectiveness of biocidal products evaluated by inhibition test on agar. The test consists in exposing the coating to fungi cultures for an endurance test (PTP CATAS)
• Resistance to liquids at low temperature (UNI EN 12720)
• Test of wet adhesion (EN 927-8)
• Suitability for stacking through pressure test (PTP 140)

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