Generally Portland cement (GOST 10178 or GOST 31108).
View the standard with latest amendments (including 2022 corrections) on Docs.CNTD . Technical Archive: Access via Meganorm . 🏗️ Technical Overview gost 26633 2017 skachat pdf
Crushed stone or gravel (GOST 8267) and sand (GOST 8736). Water: Must meet GOST 23732 purity standards. 🔄 Status of Previous Versions Generally Portland cement (GOST 10178 or GOST 31108)
If you are looking for older versions for historical or renovation projects: B25 (approx. M350)
Common classes include B15 (approx. M200), B25 (approx. M350), and B35 (approx. M450).
You can download the full text from the Moscow Government Portal (PDF) .