supply of seal n flex in 600ml pack of m/s. bostik or pidilite autopro pu 2000 or its similar as per following technical details. 1) it shall be poly urethane based sealent of class a elastomeric gun grade joint sealent & capable of movement totalling minimum 50% of original joint geometry. 2) it should form soft elastomeric weather proof seal. 3) it is to be tested in accordance with international standards din astm, as, bs & jis should have as/ 1020 approval for use in potable water tested to astm c719. for this certificate to be produced by the firm. 4) durability study to be tested upto +/-50% movement capability iso 11600 class f 25lm. din18540, snfjf, astm c920 and confirms as a low module joint sealent. 5) as 1157 - 10.5 should not support fungal growth. 6) curing time i.e. tack-free time : 06 to 12 hours approximately. 7) material urgently required, preference will be given for less delivery period. note: 1) the product shall have atleast one year shelf life from the date of supply of the material. 2) the manufacturer shall print batch no., month & year on all the packs. 3) one sample should be got approved before effecting bulk supply.seal n flex in 600ml pack of m/s. bostik or pidilite autopro pu 2000 or its similar as per following technical details. 1) it shall be poly urethane based sealent of class a elastomeric gun grade joint sealent & capable of movement totalling minimum 50% of original joint geometry. 2) it should form soft elastomeric weather proof seal. 3) it is to be tested in accordance with international standards din astm, as, bs & jis should have as/ 1020 approval for use in potable water tested to astm c719. for this certificate to be produced by the firm. 4) durability study to be tested upto +/-50% movement capability iso 11600 class f 25lm. din18540, snfjf, astm c920 and confirms as a low module joint sealent. 5) as 1157 - 10.5 should not support fungal growth. 6) curing time i.e. tack-free time : 06 to 12 hours approximately. 7) materi