Purhab WELL RING FOAM, MANHOLE WATERPROOFING Mester 750 ml

Mester Well Ring Foam - Akna special polyurethane foam is resistant to gasoline, oil, water, and all bacteria and acids found in the soil. It adheres well to grease- and dust-free substrates, except: silicone, PE, PP, PTFE and bitumen. Can be cut after 25 minutes at a depth of 2 cm. Yield 36 liters. Heat resistance: -40 oC - +80 oC (short-term +120 oC).