oil-based

I recently finished a maple table with Kunos 243 counter top oil, It's a natural oil product that hardens like a varnish. https://livos.com/en-ca/catalog?produitno=243 The product sheet recommended using 800 grit sandpaper between coats and the store I purchased it from recommended polishing...

How do you securely bond veneer to particle board that has been predisposed to an oil-based stain? *Final results of the product put craftsmanship reputation at stake. Advanced- to guru-level of experience responses ONLY!