8642 Industrial Adhesive Glue, Polyurethane Adhesive Glue Used for the assembly of RO membrane modules

Huitian®8642isa two-component polyurethane adhesive product, specially developed for RO membrane modules, it is suitable for the assembly of most membranes and has excellent hydrolytic stability and chemical resistance properties. This product conforms to the requirements ofFDA175.105and is certified toNSF 61.Typical applicationUsed for the assembly of RO membrane modules.General properties Before curingItems8642 A8642 BAppearanceAmber liquidAmber liquidChemical typePolyolIsocyanate prepolymerPackaging5 or 55 Gallon5 or 55 GallonViscosity(mPa·s) (GB/T10247-2008)24,000±6,00024,000±6,000Mixture Viscosity25,00025,000Density(g/cm3) (GB/T13354-1992)1.01.1Mix ratio9:10 by weightMix ratio1:1 by volumeWorking time(23℃)45 minutesProperties after curingItemsTypical dataHardness(shore A) (GB/T531-1999)75Tensile strength(MPa) (GB/T528-1998)8Elongation at break(%) (GB/T528-1998)150Working temperature(°C)40~90Direction for Use1.Clean up the surface of bonding materials, keep dry and clean. The surface of polyolefin materials must be subjected to a corona treatment or flame treatment.2.Mix the glue completely 1:1 by volume or 9:10 by weight, we recommend using auto-mix equipment, or the mixed glue should be handled by vacuum system before operation.3.dispensing the mixed glue to the surface of bonding material,then pressure the two sheets of bonding materials because there is no initial adhesion.4.waiting over 3 hours under 50℃ or over 8 hours under 23℃, then transfer to the next process.Cautions1.seal the unused glue for next time use, contaminated glue should no longer put into the original packaging pail.2.Keep away from the children3.This product contains isocyanate, which may irritating toskin and eyes. If contact, flush with plenty of water.4.Please refer to the product MSDS for safety information.PackagingSet 1: 8642A 180KG/drum, 8642B 200KG/drum;Set 2: 8642A 18KG/pail, 8642B 20KG/pail.StorageStore under 8-28 ℃ cool and dry place, the shelf life is 12 months in original package