PDS Sodium Thiocyanate 50 - EMEIA (English) https://www.nouryon.com/globalassets/inriver/resources/pds-sodium-thiocyanate-50-emeia-en.pdf
Levasil® OF – colloidal silica dispersions for optimized cementing in oilfield drilling (English) https://www.nouryon.com/globalassets/inriver/resources/brochure-oilfield-levasil-of-colloidal-silica-en_us.pdf