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CP 637 Firestop Mortar: Item No.: 00340645
Technical Data
| Color | Light red |
| Ageing resistance | Tested |
| Fire rating | ≤ 4 h |
| Surface burning characteristics | B2 / flame spread 5; smoke development 5 according ASTM E84-00 |
| Density | 900 kg/m³ |
| Density | 1.3 g/cm³ |
| Base Materials | Concrete Concrete (porous) Masonry |
| Gypsum based | Yes |
| Mix ratio | 3:1 |
| Can be painted over | No |
| Weight | 13.6 kg |
| Shelf life | 12 month(s) |
| Expansion on setting | 0.08 % |
| Application temperature range | 5°C - 40°C |
| Setting time | 0.75 h |
| Approvals | BS, UL |
| Building material class | A1 |
| Packaging | Pail |
| Recommended opening size | Medium/large |
| Compressive Strength | 3.5 N/mm2 |
| Compressive strength | 6.8 N/mm² |
| Maximum Application Temperature | 40 °C |
| Temperature resistance range | -20°C - 100°C |
| Storage and transportation temperature - range | 5°C - 40°C |
| Additional Product Info | A quick setting firestop mortar for a variety of applications |
| Package Contents | 30 lb pail |
