Stack Lead White vs Titanium White No. 1
Choose any two products — oil colours, watercolours, mediums or primers — to see a concise comparison of how they differ and what they share, alongside the full specification table.


Stack Lead White and Titanium White No. 1 are both Michael Harding oil colours.
Stack Lead White uses PW1; Titanium White No. 1 uses PW6.
They differ in transparency, tinting strength, drying time and vehicle.
They share matching lightfastness and vegan status.
| Property | Stack Lead White | Titanium White No. 1 |
|---|---|---|
| Chemistry | Inorganic | Inorganic |
| Oil Type | Linseed Oil | Safflower Oil |
| Drying Time | Very Fast | Very Slow |
| Pigment Index | PW1 | PW6 |
| Lightfastness | Excellent | Excellent |
| Opacity | Opaque | Very Opaque |
| Series | Series 7 | Series 1 |
| Toxicity | Toxic | Non-Toxic |
Colour Disclaimer: Colours shown on screen or in print may vary from the actual product. For the most accurate representation of colour, texture and finish, we recommend viewing a physical sample or swatch in person before making your final selection.


