Tender For supply of set of insulating mats for electrical purposes, conforming to is:15652-2006, cla ss-a, colour red or black, for ambient temperature -10%b0c to +55%b0c to the following sizes. 1. siz e 3000mm length, 1000mm width # 1no. 2. size 2000mm length, 850mm width # 1no. note: offers fro m manufacturers or their authorised dealers shall only be considered. [ warranty period: 30 months after the date of delivery ]