Has anyone experiments with using fumed silica with cotton papers, using something like:
AERODISP WK 7330?
https://www.aerosil.com/www2/uploads/productfinder/AERODISP-WK-7330-EN.pdf
Some platinum printers use fumed silica to make prints with greater dmax.AERODISP WK 7330?
https://www.aerosil.com/www2/uploads/productfinder/AERODISP-WK-7330-EN.pdf