Request For Quotation Construction Materials For Talgar Central District Hospital (7)

Gost 25607. Snickers. Composition An Artificially Created Mixture Of 50% Washed Sand And 50% Crushed Stone (Or Gravel)., Gost 33423-2015. Check Valve D80mm. Check Valve D80mm Cast Iron Body Interflange Coupling, 2-Leaf., Gost 8736-2014. Sand. Fineness Modulus (Mk): According To This Indicator, Sand Is Divided Into Groups: Large: Mk From 2.5 To 3.0. Medium: Mk From 2.0 To 2.5. Small: Mk From 1.5 To 2.0. Content Of Dust And Clay Particles:. Particles Smaller Than 0.16 Mm Are Considered Dust. For Class I Sand, The Impurity Content Should Not Exceed 2–3%. For Class Ii Sand - No More Than 3–10%. Clay, Enveloping Grains Of Sand, Impairs Adhesion To Cement, Which Reduces The Strength Of Concrete. Bulk Density: Ranges From 1300 To 1500 Kg/M³.