IMPORTANT INFORMATION ABOUT CLEANROOM WIPES General Information In almost every cleanroom, special wipes are used for a variety of applications. When searching for an appropriate wipe you should define which requirements the wipes should fullfill: Is the wipe supposed to be for dry or for wet cleaning? Should the wipe be especially low in particle emission? Should it be a soft wipe, which does not scratch the product? Should the wipe be resistant against chemicals? Can the surface or the item to be cleaned damage the wipe? Many of our wipes have been evaluated according to the above mentioned criteria. You can find individual evaluations on their packaging and also on the following pages. As wipes have many different applications, we offer you a variety of cleanroom wipes made of a number of basic materials, which are produced by varying manufacturing methods. The most important base types are: Cotton Cellulose Polyester / cellulose blend Polyester Micro fibre Polypropylene Nylon Polyurethane foam, etc. Saturated wipes mainly made of polypropylene the red dot as sterility indicator Within our standard product range we cover the most common requirements for cleanrooms. In addition, for special cases, we work closely with national and international wipe manufacturers with whom we develop individual customer specific solutions. Their full range is available through dastex. Some special wipes from LymTech, Contec, Milliken and Kimberly-Clark will also be introduced in more detail in the following chapter. In order to make a decision about which wipe is the most suitable for your application, beside the technical data, you should also test in practice at the work place. For this we would be pleased to put samples at your disposal Detailed technical data sheets about our cleanroom wipes are also available on request at any time. For further information please contact us: phone +49 (0)72 22-96 96-60 · fax +49 (0)72 22-96 96-88 · e-mail [email protected] · www.dastex.com Version 07/ 2008 Whilst we take every care to ensure the accuracy of the information provided we can not take responsibility for errors introduced at the printing stage. CLEANROOM WIPES 9.1 9.1

COTTON WIPES CLEANROOM WIPES 9.2 9.2 table of cleanroom classes see chapter 9.11 relatively heat resistant neutral static charge adequately absorbent mostly acid and solvent resistance 1 Gamma sterilised wipes also in other dimensions are available on request. Product characteristics Dimensions Series - 100 *1 Twill woven cotton wipes 100 % cotton Art.-No. 4” x 4” 1200 pieces 55 100 0404 6” x 6” 600 pieces 55 100 0606 9” x 9” 300 pieces 55 100 0909 12” x 12” 150 pieces 55 100 1212 17” x 17” Series - 101 "Non-woven" wipes made from 100 % Rayon, a cotton derivation. The absorbency of Rayon is much...

CELLULOSE WIPES table of cleanroom classes see chapter 9.11 good absorbency in relation to mass per unit area economical neutral static charge 1 Gamma sterilised wipes also in other dimensions are available on request. 1 1 typical standard sizes 6”x 6”, 9”x 9”, 12”x 12” Product characteristics Dimensions PU Art.-No. Series - 200 *1 6” x 6” 500 pieces 55 200 0606 Cellulose wipes 9” x 9” 500 pieces 55 200 0909 12” x 12” 500 pieces 55 200 1212 18” x 18” 500 pieces 55 200 1818 Bemcot M3 Cellulose wipes (synthetic cellulose), acetone resistant, especially useful for CD and DVD production 25 x 25 cm...

POLYESTER-CELLULOSE WIPES relatively good absorbency relatively low emission of particles price-performance ratio table of cleanroom classes see chapter 9.11 1 2 1 fibre structure (Series 300) Product characteristics Dimensions 2 from top to bottom: wipe of series 305, 304 series and 303 series 55 300 0606 300 pieces 55 300 0909 150 pieces 55 300 1212 75 pieces 55 300 1818 4” x 4” 1200 pieces 55 301 0404 6” x 6” 300 pieces 55 301 0606 300 pieces 55 301 0909 150 pieces 55 301 1212 75 pieces 55 301 1818 4” x 4” 1200 pieces 55 302 0404 6” x 6” 300 pieces 55 302 0606 9” x 9” 300 pieces 55 302 0909...

POLYESTER WIPES table of cleanroom classes see chapter 9.11 low emission of particles softness robustness 1 2 1 fibre structure (series 405) Design / Product characteristics Dimensions 2 laser edge (series 405) 300 pieces 55 401 0909 150 pieces 55 401 1212 4” x 4” 600 pieces 55 402 0404 9” x 9” 150 pieces 55 402 0909 100 pieces 55 402 1212 600 pieces 55 403 0404 300 pieces 55 403 0606 150 pieces 55 403 0909 100 pieces 55 403 1212 9” x 9” 150 pieces 55 405 0909 12” x 12” 75 pieces 55 405 1212 4” x 4” 600 pieces 55 406 0404 9” x 9” 150 pieces 55 406 0909 100 pieces 55 406 1212 9” x 9” 150 pieces...

CLEANROOM WIPES FOR SPECIAL DEMANDS table of cleanroom classes see chapter 9.11 1 Besides the four basic types of wipes we offer also cleanroom wipes made of other base materials. Gamma sterilised wipes also in other dimensions are available on request. 2 1 surface structure (series 700) 2 various sizes Product characteristics Dimensions Series - 420 Micro fibre wipes, with sealed edge good absorbency, low particle abrasion, for extremely clean demands. 23 x 23 cm 100 pieces 55 420 30 x 30 cm 500 pieces 55 420 50 x 50 cm 500 pieces 55 420 4” x 4” 100 pieces 55 600 0404 6” x 9” 25 pieces 55 600...

STERILE WIPES table of cleanroom classes see chapter 9.11 In general all wipes are available in sterile versions on request. Knitted wipes made of 100 % polyester can be autoclaved by the users themselves. For gamma sterilised wipes, products made of polyestercellulose blends have become the established form on the market. Application area: pharmaceutical industry and related areas Advantages: ready to use no time-consuming and cost-intensive preparatory works 25 pieces packed in a PE bag various bags bundled in an additional PE bag and gamma sterilised per box the red dot on each bag acts as...