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JOINT <strong>SEAL</strong>ING HINTS• Prime prior to the installation of the backing rod• Always use backing rod for correct sealantgeometry• Ensure maximum adhesion to bond face and depthto width ratio of 1:1 to 12mm and 2:1 from 12mm to20mm.MIXINGNo mixing is required for <strong>Bostik</strong> Seal ‘N’ Flex <strong>2638</strong>.Simply use directly from sausage.CLEAN-UPClean up uncured material and equipment immediatelyafter use using <strong>Bostik</strong> 9907 solvent. Do not use solventson skins.PACKAGING<strong>Bostik</strong> Seal ‘N’ Flex <strong>2638</strong> is supplied in 600ml sausages.Available in grey, white and black colour.COVERAGEPAINTABILITY<strong>Bostik</strong> Seal ‘N’ Flex <strong>2638</strong> is paintable after fully cured.Coatings containing solvents such as enamels, oil basedor other coatings may cause the surface of the sealant toreact creating a tacky surface. A field test isrecommended to ensure compatibility of the coating with<strong>Bostik</strong> Seal ‘N’ Flex <strong>2638</strong>.HEALTH AND SAFETYOn contact, uncured sealant causes irritation. Gloves andprotective goggles must be worn during application anduse.• Avoid contact with skin, eyes and avoid breathing invapour.• Wear protective gloves when mixing or using.• If poisoning occurs, contact a doctor.• If swallowed, do not induce vomiting. Give a glass ofwater.• If skin contact occurs, remove contaminatedclothing and wash skin thoroughly for a minimum of15 minutes and see a doctor.• For more detailed information refer to MaterialSafety Data Sheet.The coverage below is the approximate linear metrecoverage per pack size.SIZE6mmx6mm10mmx10mm20mmx10mm600ml (ssg) 16.7 6 3Calculation formulaW x D X L = Litres1000W = Width(mm) D = Depth(mm) L= Length(metres)STORAGEWhen stored between 5 o C and 25 o C <strong>Bostik</strong> Seal ‘N’ Flex<strong>2638</strong> has a shelf life of 12 months from date ofmanufacture. All materials should be stored undercover in a manner that will prevent damage preferably onpallets.PRECAUTION<strong>Bostik</strong> Seal ‘N’ Flex <strong>2638</strong> should not be:• Used in chlorinated water such as swimming pools,spas etc.• Do not apply <strong>Bostik</strong> Seal ‘N’ Flex <strong>2638</strong> to anymaterial containing bitumen. Do not allow bitumento contact <strong>Bostik</strong> Seal ‘N’ Flex <strong>2638</strong>.• Constantly immersed in salt water.• Used for structural glazing applications.• Applied to cement based substrates within 28 days.• Used in trafficable joints.• Applied at temperatures below 5 o C.Disclaimer: The information detailed in this data sheet is liable tomodification from time to time in the light of experience and normalproduct application, and therefore customers are advised to check with<strong>Bostik</strong> Holding <strong>Hong</strong> <strong>Kong</strong> <strong>Limited</strong>, quoting the reference number thatthey possess the latest issue. The representations and recommendationsregarding the products are based on tests which we believe to be reliable.However, no guarantee of their accuracy can be made because of thegreat range of field conditions and variations encountered in raw materials,manufacturing equipment and methods. Thus, the products are sold witha limited warranty only, and on the condition that purchasers will maketheir own tests to determine the suitability of the product for their particularpurposes. Under no circumstances will <strong>Bostik</strong> Holding <strong>Hong</strong> <strong>Kong</strong> <strong>Limited</strong>be liable to anyone except for replacement of the products or refund of thepurchase price.<strong>Bostik</strong> Holding <strong>Hong</strong> <strong>Kong</strong> <strong>Limited</strong>6/F Victoria Centre15 Watson Road<strong>Hong</strong> <strong>Kong</strong>Tel: (852) 2807 9400Fax: (852) 2510 8380JAN/07/A<strong>SEAL</strong> ‘N’ <strong>FLEX</strong> <strong>2638</strong> PAGE 2 of 2.
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