Lfz21 is a kind of two-part polysulphide sealant with high performance widely used for insulating glass, construction, transportation and refrigeration field. Performance polysulphide sealant Lfz21 polysulphide sealant has excellent elasticity, low gas permeability and adherent stability. The property is certificated by gb/t11944-2002, jc/t486 standard. Excellent weatherproof , no corrosion, no poisonous. Package polysulphide sealant Composition a 200l iron drum 330kg/drum ( =571.5mm) Composition b 20l plastic drum 30kg/drum ( =280mm or 285mm) Or composition a 20l plastic drum 33kg/barrel Composition b 3kg/barrel Storage polysulphide sealant Store at the dry and cool area in airtight container. When stored at or below 27¡ãc in the original unopened containers, this products has a shelf life of 9 months from the date of production. Packge: iron drum a component:200l/iron drum 330kg/drum b component:20l/iron drum 30kg/drum or a component:20l/plastic drum 33kg/barrel b component:3kg/barrel