a;/ _I~,,~' '!' Federal Materials Testing Institute in Darmstadt Director: Prof Dr Ing C Berger Grafenstrasse 2,64283 Darmstadt, Germany Construction materials department Test Report B 98 07142 1 si version Customer: Kämmerling Chemische Fabrik GmbH & Co Zweibrücker Strasse 200 66954 Pirmasens, Germany Order dated: 12/3/1998 Order no I reference Subject matter: Materials tested: Testing of aging behaviour of multi-layered insulating glass by analogy to DIN standard 1286 Part 1, air-filled Multi-layered insulating glass, air-filled "TPS black" system Darmstadt 10/611998 pages: 4 Reference no B/Hos/Hoe Tables: 3 Illustrations: -- Appendices: -- Director Processedby: <signature illegible> Dr Ing P Stag ge Seal <signature illegible> Dipl Ing HJ Hosemann Page 1 of 4
Test Report 8 98 07142 ~ Page 2 of 4 1 The tests were performed on the basis of the following standards and directives: DIN 1286 Part 1 DIN 52 344 DIN 52 345 pren 1279-2 Draft '93 Multi-layered insulating glass, air-filled, aging behavior, Testing the effect of alternating atmosphere on multi-layered insulating glass Determination of dew point temperature on multi-layered insulating glass Requirements concerning moisture absorption (Karl-Fischer titration method) 2 Details of the sampies tested Designation: Manufacturer: Glass dimensions: Glass type: Gas type: Edge sealing: Sealants: Multi-layered insulating glass ("Kädimelt TPS Black") Lenhardt Maschinenbau GmbH, 75242 Neuhausen, Germany 505 mm x 355 mm 4 mm float glass - 12 mm TPS (black) - 4 mm float glass Air (according to manufacturer) Two-stage 1 Inner stage Base: "Kädimelt TPS Black" Batch: 97150 2 Guter stage Base: Polysulphide / GD 116 M Batch A: 96429 Batch B: 96435 Desiccant: Type: 3 A Zellith in powder form integrated in the Kädimelt TPS System Spacers: Material: TPS Black (organic edging compound) Manufacturer: Kämmerling Chemische Fabrik Corner type: TPS system, continuous flow round the corners Page 2 of 4
Test Report B 98 07142 :: Page 3 of 4 3 Test result Table 1: Determination of dew point temperature - results Sampie No Condition at delivery After test dew point ~ (ac) dew point te (ac) 3 S < -70 < -70 7 S < -70 < -70 9 S < -70 < -70 15 S < -70 21 S 29 S A veraae value of test results < -70 < -70 Requirements to individual values in ~ 30 ~ 20 accordance with DIN 1236 T 1 Table 1: Determination of water content of sampies of TPS edging compound system - results Sampie No Sampies taken at Desiccant loading in % location Condition at after test of alternating Difference to delivery atmosphere average value column 3 Individual Average values (additional values load) 1 15 S 2 3 0312*) 4 5 6 29 S 0424*) left') 0537 right1) 0871 3 S top1 0768 0619 0251 bottom1 0601 left') 0822 right1) 0743 7 S top1 0628 0684 0316 bottom1 0541 left') 0580 right1) 0624 9 S top1 0645 0647 0279 bottom1 0737 left') 0528 right1) 0737 21 S top1 0706 0687 0319 bottom1 0776 Average values 0368 0659 0659 0291 *) Average value from four individual measurements of different glass disks (in accordance with Karl- Fischer method) 1) lang side 1) short side (Measurements were carried out at the Testing Institute tor Construction Materials GmbH (PIB) in 66954 Pirmasens) Page 3 of 4
" Test Report B 98 07142 Page 4 of 4 ;- 4 Evaluation Assuming that a maximum water absorption of 20 % is obtained for conventional multi-layered insulation glass using 3 A Zeolith as desiccant in the spacers, the requirements of DIN 1286 Part 1, as shown in table 3, can be determined The maximum water absorption of the TPS system was determined in accordance with the requirements of pren 1279-2, draft 1993 (Appendix C) After 32 weeks of storage, the maximum water absorption capacity was 39 % Table 3 shows the comparison of the measuring values with the requirements Table 3: evaluation of measuring results - comparison with the requirements in accordance with DIN 1286 Part 1 Condition at delivery Dessiccant loading After testing the effect of altemating atmosphere (Additional load) Largest Largest individual Average value individual value IAW table 2, IAW table 2, value column 6 column 6 Requirement IAW DIN 1286 Part 1 < 4 % < 3 % < 25 % Part of requirements relating to the maximum water absorption capacity (20 %) of loose ~ 20 % ~ 15 % ~ 125 % desiccant 3 A Zeolith Test results in accordance with table 2 0424 % 0319 % 0291 % Part of requirements relating to the maximum water absorption capacity (39 %) of desiccant 3 A Zeolith compounded(?) in the 109 % 82 % 75 % spacers (TPS) Remarks The test was performed upon the request of the customer by analogy to DIN 1286 Part 1 SinGe no valid norm for TPS systems exists at the present time, the application was granted The aforementioned evaluation of measuring results show that the system "TBS black" conforms with the requirements by analogy to DIN 1286 Part 1 "multi-layered insulating glass, air-filled" Page 4 of 4
, I, the ~ndersigned, do her~~y certify the above and foregoi~g to be ~ / ~~~ omplete translation of the German original presented to me The translation GOns} ~rf>ag~~ ords in < > brackets are remarks by the translator /, $"(: RO o~ (' f' t' S1\}fI: "e ~ CI ~ r- ~S \10" I'>OC\\ ~ ~ J ~C\\leS\e;!?j! 616&Q 6~ 1 /4"~ g 5~ 1616101\0 1 J,:;I,~ Cl; 14441 Q Weilerbach, 21/05/02 ~~ 1~\,,-~1 Q"~ ~ "O'S' / / ANGELIKA STUARD GÖ/S'O \J~ Certified translator of the English and French language für the courts of justi~!c'i' otaries public of the Land of Rhineland-Palatinate, authorized by the President of the Regional Court of Kaiserslautern/Palatinate, FRG Page 5 of 5