supply of siliconised acrylic watersiliconised acrylic water,siliconised acrylic water based fire retardant sealent, shall have the follo wing properties: before curing: 1. specific gravity at rt - 1.63 - 1.75 g/cc 2. skin over time(s ot) atrt - below 15 minutes 3. tack free time (tft) atrt below 30 minutes. after curing: 1. e longation at break min 85% 2. tensile strength at break # min 7.0 kg/cm2 3. hardness (shor e a) = 50-70 of make anabond 777r or equivalent, note: 1. the sealant should be supply in cartridge of 500 gms. 2. applicator dispenser should supply every 30 kgs. colour of the sealant shall 30 kgs. blue, 30 kgs. white and 30 kgs. brown 3. supply should be 02 spells: 1st spell immediately supply of 50% qty i.e., 45 kgs within 30 days and 2nd spell after 6 months of 1st supply qty 45 kgs. 4. shelf life of material should have minimum of 09 months from dat e of supply. [ warranty period: 30 months after the date of delivery ]