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Silica Sand

Manufacturer & exporter of high-purity washed silica sand. SiO₂ ≥ 99%. Fe₂O₃ from 100 PPM. IS 488:1980 and IS 1987:2002 certified. FOB, CIF, EXW Mundra.

SiO₂ ≥ 99% High-purity washed sand

Fe₂O₃ from 100 PPM Low-iron capability

4 Product Grades Glass · Foundry · Filtration · Other

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IS 488:1980 Glass-grade silica sand standard

IS 1987:2002 Foundry-grade silica sand standard

FOB, CIF, EXW Mundra Export-ready logistics from Gujarat

Product Grades

Four Sub-Grades of Silica Sand

Select a grade below to view key features, chemical / grade specifications, and applications.

Glass-Grade Silica Sand

Stone Skipper LLP manufactures and exports premium glass grade quartz silica sand designed for high performance glass applications. Our material offers exceptional clarity, controlled grain size, low iron content, and zero contamination, supporting improved melting behaviour and optimized production efficiency for glass manufacturers worldwide. Through advanced beneficiation and strict quality control, our silica sand delivers uniformity, reliability, and superior melting characteristics, helping customers achieve higher clarity, reduced defects, and lower furnace energy consumption .

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Key Features

High purity SiO₂ ≥ 99% — Ensures strong structural integrity and stable melting behaviour.
Low Iron & Mid Iron Options — Fe₂O₃ from 100 to 1000 PPM, suitable for clear, extra clear, and general purpose glass.PPM via multi-stage magnetic separation.
Consistent Quality — Controlled top size, uniform particle distribution, and stable chemical properties for predictable furnace performance.
Wide Application Compatibility — Suitable for float, container, solar, sheet, pattern, and figure glass.
Customizable Specifications — Tailored chemical purity, particle size distribution, and iron levels based on customer requirements.
Efficient Melting — Optimized PSD enhances melting speed and reduces energy usage.

Applications

Float Glass Solar Photovoltaic Glass Container Glass Sheet Glass Pattern Glass Figure Glass Clear Glass

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Chemical Specification

SiO₂ (Silica)	99% Minimum
Fe₂O₃ (Iron Oxide)	0.012%–0.025% (120–250 PPM)
Al₂O₃ (Aluminium Oxide)	≤ 0.30%
Loss on Ignition (LOI)	≤ 0.45%

Foundry-Grade Silica Sand

We are a leading manufacturer, exporter, and supplier of high-purity washed silica sand for foundry applications. Our silica sand is carefully washed, dried, and screened to deliver superior quality, making it highly suitable for high-integrity castings with minimal defects. Our products are widely used in core and molding applications across cast iron, steel, ferrous, and non-ferrous foundries. Designed to meet the demanding requirements of modern foundries, our silica sand ensures consistency, strength, and excellent casting performance.

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Key Features

AFS Range 10–90, fully customisable.
High Purity & Naturally Hard.
Weather Resistant with White Appearance.
Chemically Inert, compatible with all chemical binders.
Suitable for Core & Moulding Applications

Applications

Cast iron, steel, ferrous & non ferrous foundries Core making Moulding sand Green Sand casting

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FOUNDRY GRADE TDS

Grade	AFS	Fineness(-140)	Clay	Acid Reaction
9-13 AFS	10.85	0.00	≤ 0.5%	NO
14-19 AFS	17.05	0.00	≤ 0.5%	NO
20-25 AFS	22.09	0.00	≤ 0.5%	NO
25-30 AFS	26.18	0.08	≤ 0.5%	NO
35-40 AFS	37.85	0.13	≤ 0.5%	NO
40-45 AFS	41.5	0.46	≤ 0.5%	NO
45-50 AFS	46.28	0.34	≤ 0.5%	NO
50-55 AFS	50.89	0.96	≤ 1%	NO

Water Filtration-Grade Silica Sand

Stone Skipper LLP manufactures, processes, and supplies high purity filter sand engineered specifically for filtration applications. Each batch is washed, dried, and precisely screened to deliver uniformity, durability, and superior filtration performance. These properties make silica sand highly effective in removing suspended solids, turbidity, dirt, and fine impurities, ensuring clear and safe water:

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Key Features

High silica content
Low Turbidity
High purity (chemically inert; does not react with water or chemicals)
Weather resistant and degradation resistant
Naturally hard, durable, and long lasting
Clean white appearance
Controlled particle size distribution and uniformity
Good porosity for effective flow and particle trapping
Low impurities
Easy to handle, replace, and maintain
Cost effective compared to specialized media

Applications

Drinking water treatment plants Swimming Pool Filtration Wastewater treatment facilities Groundwater and borewell filtration Industrial water filtration (boilers, cooling towers, factories) General water purification systems

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FILTER GRADE TECHNICAL DATA SHEET

Parameter	Rapid Sand Filtration	Medium/Multimedia Sand Filtration	Slow Sand Filtration
Washing turbidity	≤ 30 NTU.
Density	2.57 to 2.67 g/cm³
Loss on Ignition	1.3% max.
Abrasion Rate	3.0% max.
Hydrochloric Acid Solubility	3.5% max
Hardness on the Mohs scale	6.0 to 7.0
Effective Size	0.45 mm to 0.70 mm	0.8 mm to 1.2 mm/0.45 mm to 0.7 mm	0.30 mm to 0.45 mm
Uniformity Coefficient	≤ 1.7

Other Industrial Silica Grades

Silica sand is one of the most versatile industrial minerals, with natural variations in purity, colour, and grain structure across regions. At Stone Skipper LLP, we supply high quality silica sand with consistent composition and performance for a wide range of industries.

Sample · Other Industrial Grades

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Grade Highlights

GRP / Composites: consistent grain size for mechanical strength in fibreglass and composite systems.
Building & Construction: prime constituent for concrete, mortars, and specialty mixes.
Paints & Coatings: filler and surface additive for durability and finish control.
Custom sizing: particle-size classification to customer mesh / AFS requirements.

Applications

Glass manufacturing Water filtration Ceramics Landscaping & recreation Golf course/bunker sand Construction materials Chemical & silicate industries Construction chemicals Adhesives Refractory Abrasives Sand blasting Boiler bed material White/Gray cement Fiberglass GRP/FRP Paints & coatings

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GENERAL INDUSTRY GRADE TDS

1	8 MESH
2	16 MESH
3	24 MESH
4	30 MESH
5	50 MESH
6	70 MESH
7	8-16 MESH
8	16-30 MESH
9	24-60 MESH
10	30-80 MESH
11	50-120 MESH
12	70-150 MESH

Logistics

LOGISTICS & PACKAGING

Available across all silica sand grades — Glass, Foundry, Water Filtration, and Other industrial grades.

Loose / Bulk 25 KG Bags 50 KG Bags 1 MT Jumbo Bags (FIBC) 1.4 MT Jumbo Bags FCL LCL CIF FOB Ex-Factory

Request Silica Sand Specifications

Share your requirements — Glass, Foundry, Filtration, or Other. We respond with technical datasheets, chemistry details, and FOB, CIF, EXW options from Mundra & Kandla.

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