Packing: 7kg per paper barrel, diameter being 160mm or 180mm , 4 barrel /carton Suggest: While application together with joinleader other corresponding products, it has already showed perfect function both in testing and practicing. Storage: with a shelf life of 12 months in dry, ventilated and shady places below 32¡ãc Refer to product packaging for "use by" or expiry date. Limitation: Only suitable for those mentioned products above and do test before application Certificate: Msds, iso9001. Performance of butyl sealant Clean and dry adhesion surface to get rid of dirty, oily things. Lfz28 is applied by special hot-melt butyl extrusion machine. The extrusion condition could be satisfied through temperature and pressure adjustment, for example temperature could be adjusted over the range of 120¡ãc~150¡ãc. The environment temperature should not be lower 10¡ãc in application. Package of butyl sealant Lfz28 butyl sealant for insulating glass primary seal, black, 1kg/paper pail, 5kg/pail, 7kg/pail or supply according to customer required. Storage of butyl sealant -10¡ãc~35¡ãc, shelf life of 24 months. 4pcs/carton box