URJA WATER BASE DUCT SEALANT is a fast setting, elastomeric water base joint sealant for low medium & high velocity heating & air conditioning ducts. It has very good adhesion to galvanize, aluminum or mild steel metal ducts. It gives good flexible seal against air leakages and do not require reinforcing tapes or mechanical fasteners. URJA WATER BASE DUCT SEALANT is suitable for Cleanroom and Pharmaceutical Projects. It passes the Flammability test as per UL94 HB class test when tested at ARAI, lab, Pune. Also it is food grade material when tested as per IS & USFDA test method at FOOD HYGENE & HEALTH LABORATORY.