McLendon Hardware
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Renton
IRWIN 64902
Irwin STRAIT-LINE® Marking chalks have a newly engineered flip-top cap that keeps the chalk in the bottle where you want it and stops it from spilling out in areas that you don't. The flip-top cap, available on all Irwin STRAIT-LINE® chalk bottles, seals the chalk in an air-tight chamber, keeping out moisture and reducing the risk of clumping.
| Color | : | Red |
| Compositions | : | Calcium Carbonate, Red Iron Oxide, Silica |
| Form | : | Powder |
| Odor/Scent | : | Odorless |
| Package Size | : | 8 oz |
| Relative Density | : | 3.4 to 3.45 |
| Specific Gravity | : | 3.3 to 3.35 |
| pH Range | : | 8.5 to 9.5 |
- Exterior use
- Visible after weeks of weather exposure and jobsite wear
SDS