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Woodworking Math

Hardwax oil

Osmo Polyx-Oil Original

The figures Osmo prints for Osmo Polyx-Oil Original on its own data sheet, at the conditions it names. Where the sheet doesn't give a figure, this page says so rather than borrow one from another product.

Dry to the touch
Not on the sheet we read
Recoat
8–10 h
Ready for use
Not on the sheet we read
Full cure
Not on the sheet we read
Coverage
24 m² per litre
Thinning
Do not thin
VOC
Under 500 g/L (the EU limit for its category is 500 g/L)
Conditions
Not on the sheet we read
Indoors or out
Interior
Food contact
The sheet we read makes no food-contact statement

One source: Osmo, the maker of that product

From the sheet: Plant oils and waxes; two thin coats on bare wood, one to renew.

What the maker names it for

Against its kind

Osmo Polyx-Oil Original is one of the products in hardwax oils; here is that kind across every maker we have read.

Hardwax oils: recoat across makers

Only one maker’s sheet so far, so no class value: see its own figure above.

Hardwax oils: coverage across makers

1,304 sq ft/gal

span 978–2,037 sq ft/gal, per coat

Only two sources publish this: Osmo and Rubio Monocoat

Related

Work it out for your project

Sources

  1. Osmo, Polyx-Oil Original (3011, 3032, 3062) product information (UK distributor copy), read 2026-11-07.

How the tags work: How we source every number.