Certainly, here are the standards and certifications that authenticate the quality of rectangular flexible ducts, presented in a bullet-point format:

– SGS: Ensures market and legal requirements are met. Common fire rating standard is AS/NZS1530.3.

– UL : Evaluates the safety and suitability of the product, including mold growth and humidity resistance.

– CE: Certifies the product’s health, environmental, and safety conformity within the European Union.

– ASTM : Develops and publishes technical standards to which the product must conform.

– ISO 9001: Recognizes the manufacturer’s ability to consistently produce quality products that meet regulatory and customer requirements.

– ENERGY STAR*: Certifies energy efficiency of the product.

These standards and certifications work together to ensure that the rectangular flexible duct meets comprehensive quality, safety, and performance criteria.