BELZONA 3121 - MR7

مشحصات فنیBELZONA 3121 - MR7
Working life at 20°C (68°F) 2 hours
Cure time The system is water resistant immediately and can cure even if fully immersed in water
Tensile strength (ASTM D412 (Die C)) 800 psi (5.51 MPa) reinforced, 1,140 psi (7.86 MPa) unreinforced
Water vapour permeability (ASTM D1653) 17g/m²/24
Recommended coverage rate (per ltr) Practical coverage rate for a 2 coat system: 
1st coat 1.9 sq.m. (20 sq.ft.) per litre on asphalt, smooth felt, bitumen and metals

2nd coat 2.0 sq.m. (21 sq.ft.) per litre on asphalt, smooth felt, bitumen and metals
Bonds to Felt, asphalt, lead, zinc, cooper, glass, concrete, brick and many more
Typical applications Emergency roof repair including leak sealing, waterproofing and weatherproofing 
Unit size 0.75 litres, 3 litres. Pack sizes may vary locally
Availability* Global