| مشحصات فنی | BELZONA 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 |
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