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Henry PR300070
A high-grade mastic compound of asphalt and mineral fillers. This material is blended in proportions to assure maximum resistance to weathering while providing ease of application. A soft pliable material that gradually hardens to a durable and water-resistant seal. It sets firmly after application, yet retains is pliability over a period of years. For repairing leaks in asphalt, metal and composition roof surfaces. Used for waterproofing and on flashing where a heavy-duty product is required and as an emergency patching compound that provides good water resistance. Covers 12-1/2 sq-ft per gal applied 1/8 in thick.
| Form | : | Liquid, Paste |
| Color | : | Black |
| Odor/Scent | : | Petrol |
| Net Content | : | 4.75 gal |
| Compositions | : | Petroleum Asphalt, Water, Stoddard Solvent, Clays, Quartz |
| Viscosity | : | >100 sq-mm/s |
| Coverage Area | : | 12-1/2 sq-ft/gal |
| Flash Point | : | 40 deg C |
| Boiling Point | : | >=150 deg C |
| Flammability Rating | : | 2 |
| Density | : | 0.9 to 1.3 |
| Specific Gravity | : | 1.01 |
SDS