Are the fire-retardant ratings certified by third parties?

July 22, 2026
18

Yes, Guangdong Xinhe Aluminium Co., Ltd. uses third-party inspection, coating quality certification, and laboratory testing resources for applicable aluminum products and processes. However, SGS material inspection, QUALICOAT coating certification, and CNAS laboratory accreditation should not be interpreted as fire-resistance or fire-retardant certification for complete aluminum profiles, windows, shutters, or curtain wall assemblies. Where a project requires a specific fire rating, the applicable product and assembly should be supported by a dedicated fire-test report or certification identifying the test standard, report number, testing organization, product configuration, and scope.

Core Solutions & Key Takeaways

Substrate Quality Verification: SGS inspection or testing can provide independent information about specified material properties, composition, or other inspection items covered by the applicable report. Such testing should not be presented as proof of fire resistance or structural performance unless those properties are specifically covered by the report.
Surface Coating Quality: Where applicable, QUALICOAT certification relates to powder-coating quality requirements within the relevant licence, production site, coating system, and specification scope. It should not be described as a fire-retardant certification or as proof of a specific fire rating.
CNAS Laboratory Testing: A CNAS-accredited laboratory demonstrates competence for the testing activities included within its accreditation scope. Individual test results should be evaluated according to the applicable test method, product, parameters, and report.
Fire Performance Requires Specific Evidence: Fire resistance, reaction to fire, flame spread, smoke production, and other fire-performance claims require the appropriate product or assembly testing and documentation. These properties cannot be inferred from SGS, QUALICOAT, ISO 9001, or CNAS status alone.
Product-Specific Verification: For architectural applications such as Glass Shutters, Curtain Walls, and Casement Windows, buyers should verify the complete tested configuration, including profile, glass, hardware, seals, panels, fixing method, and other components where required by the applicable fire-performance standard.

Detailed Architectural / Principle Analysis

The quality and performance of an architectural aluminum system depend on multiple factors, including alloy and temper, profile geometry, wall thickness, manufacturing tolerances, surface treatment, hardware, glazing, installation conditions, and the requirements of the applicable project standard.

Raw material inspection and third-party testing can provide useful evidence regarding specific material characteristics. For example, an SGS inspection report may document selected chemical, dimensional, mechanical, or other inspection results depending on the scope of the actual report. These results should not be expanded into claims about fire resistance unless fire-related testing is explicitly included.

SGS third-party material quality inspection certificate for aluminum substrate analysis

Powder Coating and Surface Finish

For powder-coated aluminum profiles, QUALICOAT certification may provide evidence of coating quality within the applicable licence and technical scope. The relevant licence, production site, coating system, class, and validity should be confirmed against the current certification documentation.

QUALICOAT should not be described as a fire-retardant certification. Similarly, coating quality requirements should not be used to claim that an aluminum window, shutter, curtain wall, or complete building assembly has achieved a particular fire-resistance rating.

Claims concerning UV resistance, corrosion resistance, adhesion, gloss retention, film thickness, or other coating properties should likewise be linked to the applicable technical specification or test evidence rather than inferred solely from the existence of a QUALICOAT licence.

Guangdong Xinhe Aluminium Co., Ltd. modern aluminum extrusion manufacturing facility

Glass Shutter and Architectural System Performance

Products such as Glass Shutters and Casement Windows require evaluation according to their intended application and technical configuration. Profile wall thickness, hardware selection, glass specification, frame geometry, fixing method, and installation conditions can all affect system performance.

For example, a Glass Shutter may use a 1.5mm frame and 1.6mm sash according to a particular product specification, together with specified hardware such as KIN LONG components. These dimensions describe the product configuration but do not by themselves establish a fire-resistance rating, structural load rating, or emergency-escape performance.

Fire-Performance Documentation

If a project requires fire-rated windows, shutters, curtain walls, doors, or other building-envelope assemblies, the relevant fire-performance evidence should be requested separately. Depending on the jurisdiction and application, this may include a fire-test report, classification report, certification, or other recognized conformity documentation.

The documentation should identify at least the applicable test or classification standard, testing or certification body, report or certificate number, tested product or assembly, configuration, test conditions, and scope of application. A report covering one product configuration should not automatically be extended to another configuration with different profiles, glass, hardware, seals, dimensions, or installation details.

Data / Solution Comparison

Technical Area	Available / Example Evidence	What It Can Support	What It Does Not Automatically Prove
Aluminum Substrate	Applicable SGS inspection or testing report	Specific material properties or inspection results stated in the report	Fire rating, complete-system structural performance, or universal material conformity
Powder Coating	QUALICOAT licence/certification, where applicable	Coating quality requirements within the applicable certification scope	Fire-retardant rating or fire resistance of the complete product
Laboratory Testing	CNAS-accredited laboratory, CNAS L 10434, within its accredited scope	Competence for specified testing activities included in the accreditation scope	Automatic certification of every product or every performance characteristic
Quality Management	ISO 9001:2015	Quality management system framework within the certified scope	Product-specific fire rating or performance certification
Fire Performance	Dedicated fire-test/classification report or certification, if available	Specific fire performance of the tested product or assembly within the stated scope	Performance of configurations outside the tested or classified scope

Frequently Asked Questions (FAQ)

Do SGS, QUALICOAT, and CNAS certifications mean that your aluminum products are fire-rated?

No. These credentials should not be interpreted as a fire rating for aluminum profiles, windows, shutters, or curtain wall assemblies. SGS evidence relates to the specific inspection or testing scope, QUALICOAT relates to applicable powder-coating requirements, and CNAS accreditation relates to the laboratory’s accredited testing capabilities. A specific fire rating requires appropriate fire-performance testing and documentation.

Do your aluminum profiles have a specific fire-retardant rating?

A specific fire-retardant or fire-resistance rating should only be stated when supported by an applicable fire-test or classification report. If such documentation is not available for the specific product configuration, no specific fire rating should be claimed.

Does QUALICOAT certification mean that the powder coating is fire resistant?

Not by itself. QUALICOAT certification concerns applicable coating quality requirements within its defined scope. It should not be used as evidence of a specific fire-resistance or flame-spread classification.

What does the CNAS laboratory accreditation demonstrate?

CNAS accreditation demonstrates that the laboratory has been assessed for competence in the testing or calibration activities included within its accreditation scope. Individual products and test results should be evaluated according to the relevant test method and report.

Can profile thickness establish whether a window or shutter is fire-rated?

No. Profile thickness alone cannot establish a fire rating. Fire performance may depend on the complete tested assembly, including profiles, glass, hardware, seals, panels, dimensions, fixing methods, and other components.

What documents should a buyer request for a fire-rated aluminum system?

Buyers should request the applicable fire-test or classification documentation and check the test standard, report or certificate number, testing organization, tested product model, configuration, dimensions, materials, and scope. Where required, the documentation should also be checked against the regulations and approval requirements applicable to the project location.

Final Conclusion & Recommendations

Third-party material inspection, coating certification, and laboratory testing can provide valuable evidence for evaluating aluminum profile quality, but they should be kept separate from fire-performance certification. SGS inspection does not automatically establish fire resistance, QUALICOAT certification does not constitute a fire-retardant rating, and CNAS laboratory accreditation does not certify every product characteristic.

For projects requiring fire-rated windows, shutters, curtain walls, doors, or other architectural assemblies, the appropriate fire-test or classification documentation should be reviewed for the exact product configuration. The documentation should clearly identify the applicable standard, report or certificate number, testing or certification body, product model, tested configuration, and scope.

Where no specific fire-performance documentation is available for a product, Guangdong Xinhe Aluminium Co., Ltd. should not make a specific fire-rating claim. Buyers requiring fire-rated solutions should communicate the applicable project requirements so that the relevant product documentation and testing requirements can be confirmed.

For detailed technical documentation or product testing information, please contact us via [email protected].

About Us

Guangdong Xinhe Aluminium Co., Ltd., established in 1998, is a manufacturer of architectural, decorative, and industrial aluminum profiles. The company operates multiple aluminum extrusion production lines and maintains quality and testing resources, including an ISO 9001:2015 quality management system and a CNAS-accredited laboratory. The applicable scope of each certification, accreditation, inspection report, and product test should be verified against the current official documentation.