Vertex Floors Ltd. Room B & C, 15/f Hang Seng Causeway Bay Building, 28 Yee Wo Street, Causeway Bay. P.R. China. Berlin, den

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1 ALAB GmbH Wilsnacker Straße Berlin Simon Xia Room B & C, 15/f Hang Seng Causeway Bay Building, 28 Yee Wo Street, Causeway Bay Nach DIN EN ISO/IEC 17025:2005 durch die DAP Deutsches Akkreditierungssystem Prüfwesen GmbH akkreditiertes Prüflaboratorium. u. a. für die Prüfgebiete: Innenraumschadstoffe (Luft, Staub, Bau- und Ausstattungsmaterial einschließlich Prüfkammer- bzw. Prüfzellenuntersuchungen) sowie gasförmige Luftschadstoffe bei Arbeitsplatzmessungen. Die Akkreditierung gilt für die in der Urkunde aufgeführten Prüfverfahren. Berlin, den Examination report Nr. A Object: Geschäftszahl beim DIBt: II /10 Customer: Simon Xia Room B & C, 15/f Hang Seng Causeway Bay Building, 28 Yee Wo Street, Causeway Bay Contractor: ALAB GmbH Wilsnacker Str Berlin Order receipt: Begin of examination: End of examination: This report contains 4 pages. ALAB - Analyse Labor in Berlin GmbH Wilsnacker Straße Berlin Amtsgericht Charlottenburg, Berlin HRB Geschäftsführerin: Dipl.-Ing. Ruth Cremer Bankverbindung: Postbank Berlin, BLZ , Kto-Nr Telefon 030/ Fax 030/ Internet: info@alab-berlin.de

2 Page 2 von 4 pages of the examination report Nr. A Object of Examination In accordance with the criteria of certification issued by the DIBt. The PVC Flooring was delivered in due packing form on Extend of Examination We tested the samples according to the accreditation criteria to search for volatile and mediavolatile organic compounds (VVOC, VOC and SVOC). Analyses applied to the scheme of the AgBB for the evaluation of the emission of volatile organic compounds for products of the building industry. The examination in accordance with the accreditation criteria of the DIBt requires to take samples on Tenax and DNPH-cartridges after 3 days and 28 days Method of examination Setting up oft he test pieces We took one panel from the middle of the package received, cut out two pieces and applied them with the backsides together. The narrow sides were sealed with aluminium foil. Then we fixed the test piece between two aluminium frames with hose clips. The dimensions of one emitting surface were 0,095 m x 0,095 m. picture 1: sample on delivery

3 Page 3 von 4 pages of the examination report Nr. A Test Chamber The analysis was performed in a glass test chamber with glass cover in accordance with DIN ISO The test chamber had a cubic contents of 22,5 Liter. Examination temperature within the chamber was 23 C ± 1 C, a relative humidity of 50 % ± 5 %, a rate of air exchange of 1 h-1. The flow velocity ranges between 0,1 and 0,3 m/s. The area specific flow rate (q=n/l) was 1,25 m³/m²h ± 3 %. Abbildung 3: test piece in glass chamber After defining the blank value of the air within the test chamber, the test piece was applied into the test chamber on We took the first samples on (3 day measurement), the second on (7 day measurement) and we took the third sample on days after the application into the test chamber. Within each sample drawing, we took two air samples via sampling automats (type "Dräger Accuro 2000") on sorbent tubes filled with Tenax TA. The volume was 4 litres air of the test chamber at each sampling. And we took one air sample via sampling automats (type "Dräger Accuro 2000") on sorbent tubes "Supelco LPDNPH S10" for volatile Aldehydes. The volume was 48 litres air. The results of the test chamber analysis were recorded as the balance concentration resulting within the test chamber in [µg/m³].

4 Page 4 von 4 pages of the examination report Nr. A Results of examination The results are specified in the actual assessment mask according to the AGBB-scheme in the annex. The examined meets the actually valid criteria used for approval by the DIBt. 5 Conspicuousness When unpacking the original cardboard a characteristic odour of acetates was noticeably, but the odour evaporated quickly. 6 Annotation The results of examination only relate to the items of examination. Storable samples will be kept for 12 weeks, if no different agreement has been fixed. This analysis report may only be published completely. Partial publication could falsify the content of the report and is therefore subject to prior authorisation. Sincerely, Dieter Marchl (stellv. techn. Leiter) Barbara Kafadaro lu (verantw. Prüferin)

5 ALAB GmbH Wilsnacker Straße Berlin Room B & C, 15/f Hang Seng Causeway Bay Building, 28 Yee Wo Street, Causeway Bay Berlin, den Invoice No: A for examination report No. A vom Service was accomplished on: Object: Quantity Position / Service Einzelpreis Gesamtpreis 1 Chamber Emission Test (28 days) for DIBt certification à 1590, ,00 total Net 1.590,00 No value-added tax Total amount 1.590,00 We received with thanks the corresponding amount. ALAB - Analyse Labor in Berlin GmbH Amtsgericht Charlottenburg, Berlin HRB Postbank Berlin, BLZ Wilsnacker Straße 15 Geschäftsführerin: Dipl.-Ing. Ruth Cremer Konto-Nr.: Berlin Steuer-Nr. 29/502/00468 IBAN: DE Telefon 030 / USt.ID-Nr. DE BIC (SWIFT-Code): PBNKDEFF Fax 030 / info@alab-berlin.de