A. Grain Size Classification


Grain Size
Particle Diameter (mm) Common Application
Fine Sand 0.075–0.425 mmGlass manufacturing, plaster, water filtration.
Medium Sand 0.425–2 mmMortar, concrete, gravel packing in oil wells.
Coarse Sand 2–4.75 mmConstruction aggregates, backfill materials.

B. Mesh Classifications

Mesh Size Particle Diameter Range (mm) Industry Usage
20/40 Mesh 0.425–0.850 mmFracking in the oil and gas industry, water filtration.
30/50 Mesh 0.300–0.600 mm High-performance glass manufacturing.
40/70 Mesh 0.212–0.425 mmIndustrial glass, water treatment.
50/100 Mesh 50/100 MeshFine glass, coatings, and specialty applications.

C. Applications of Mesh Sizes by Industry

Mesh Size Glass Manufacturing Water Filtration Construction
20/40 Specialty and container glass.Gravel pack in water wells.Concrete aggregates.
30/50 Specialty and container glass.Sand filters for pools.Plaster and mortar.
40/70 Fine optical glass.Drinking water treatment.Plaster and mortar.

D. Types of Coloured Silica Sand

Color Composition Cause Applications
White High-purity silica, low iron Glassmaking, ceramics, decorative uses
Yellow High-purity silica, low iron Construction, landscaping
Red High iron content (hematite) Decorative concrete, sports fields
Black Manganese, basaltic minerals Aquarium substrates, sandblasting
Green Glauconite, chlorite minerals Landscaping, artificial turf infill
Pink Feldspar-rich silicaAesthetic flooring, resin-bound surfaces
Orange Feldspar-rich silicaArtistic and architectural designs