Description
Foster Stackfas Mastic is a black, high solids, non-asphaltic coatings with outstanding heat resisting properties. For use in boiler stacks and chimneys, both steel and concrete, to prevent corrosion from acid exhaust gases.Technical Specifications
| Colour | Black |
|---|---|
| Suitable for Indoor or Outdoor | Both |
| Medium/ vessel temperature | Hot / Warm, HVAC / Ambient |
| Maximum operating temperature | 177 |
| Minimum operating temperature | -23 |


