The fireproof window plays a role in blocking the spread and spread of fire and smoke during a fire、 and can be said to be the window of people's lives. Fireproof windows can achieve different fire resistance times of 0.5 hours、 1 hour、 and 1.5 hours due to different processing materials、 all of which can resist fires p>
1. Check if the sealing strip is complete: Fireproof windows made of qualified steel、 aluminum alloy、 wood、 etc. should be equipped with fireproof sealing strips、 and the sealing strip should be kept straight without protruding parts. At the same time、 it is accompanied by qualified and formal inspection reports issued by national professional institutions p>
2. Check if the certificate is complete: The hardware used for fireproof windows is a product under the type approval system、 and it must be inspected before sales. At the same time、 the inspection report records the composition、 specifications、 dimensions、 materials、 and sample images of the samples、 and the standards and requirements are very detailed. When purchasing、 you can request a type inspection report from the merchant p>
3. Data verification: Qualified fireproof windows should be consistent with the description in the inspection report、 including: external dimensions、 leaf thickness、 door frame sidewall width、 fireproof glass external dimensions、 fireproof glass thickness、 and other data p>
4. Check the process quality of the product: take steel fireproof windows as an example、 high-quality steel fireproof windows: the hardware of each part is firmly welded、 and the welding points are evenly distributed; The surface of the window frame is painted flat and smooth; Include three symbols in the specified position: quality inspection qualified symbol、 product symbol、 and quality certification (recognition) qualified symbol; If it is a wooden fireproof window: keep the appearance intact、 without scratches、 burrs、 hammer marks、 etc; The seam is flat、 smooth、 and tight、 and also includes three markings p>
5. Comparison level: Fire resistant windows can be classified into Class A、 Class B、 and Class C (Class A、 Class C、 and Class B). Class A fire resistant windows have both fire resistance integrity and thermal insulation integrity、 while Class C fire resistant windows only meet fire resistance integrity. Class A fireproof windows are good products for fireproof windows、 and these signs can be clearly seen when purchasing P>
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific、 fair、 and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsinspection and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered、 meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing、 with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle、 low cost、 and attentive service 7. Possess authoritative qualifications such as CMA、 CNAS、 CAL、 etc 8. The testing report is authoritative and effective、 and is generally used in China