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Sunstate Dried Silica Sand

Sunstate Dried Silica Sand is a high-purity GS-BW silica sand containing >99% SiO2, graded with a minimum 95% passing 0.425 mm and a minimum 95% retained on 0.105 mm.

Vendor: Adheseal
SKU: SAND/.6/PALLET
Availability: Out Of Stock
$1,258.56
$1,258.56
Prices do not include GST
Shipping & Delivery

Flat-rate shipping $17.95 + GST (metro and standard zones). Excludes remote/regional/high-cost postcodes and certain items (DG, oversized, long-length, or bagged products 15 kg+). If your order includes any of these, we will contact you to arrange additional freight charges. Online purchases only.

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For industrial, chemical, and manufacturing applications requiring an exceptionally clean, graded aggregate, Sunstate Dried Silica Sand provides a high-purity source of silicon dioxide with a controlled particle size distribution. The sand is dried and processed to ensure a consistent grading between 0.105mm and 0.425mm, making it suitable for specialized blending, chemical processing, and technical trade applications.

What it does

Sunstate Dried Silica Sand acts as a pure, inert filler and aggregate. The material is graded using British Standard Sieves, ensuring that at least 95% of the particles pass through a 0.425mm aperture while at least 95% are retained on a 0.105mm aperture. This precise particle size distribution (PSD) prevents unwanted fines or oversized grains from compromising your mix design or application matrix.

With a silicon dioxide (SiO2) content exceeding 99%, this silica sand minimizes chemical impurities that can cause discoloration, unwanted reactions, or binder interference in sensitive formulations. Particle size testing is verified under Sunstate Sands Standard Operating Procedure SOP-LAB 03a.

Numbers that matter

  • >99% SiO2: High chemical purity limits trace contaminants and ensures compatibility with sensitive binders and chemical processes.
  • Minimum 95% Passing 0.425mm: Establishes the upper limit of the particle size envelope to prevent oversized grains in thin-layer applications.
  • Minimum 95% Retained on 0.105mm: Establishes the lower limit of the particle size envelope to prevent excessive dust and fines from affecting binder demand.
  • <0.030% Fe2O3: Low iron oxide content prevents rust staining and helps maintain colour stability in architectural and clear binder systems.

Frequently asked questions

What makes GS-BW Silica Sand suitable for specific applications?

This sand meets strict physical and chemical specifications, ensuring consistent performance. With over 99% SiO2 purity and controlled particle sizing (Min 95% passing 0.425mm, Min 95% retained 0.105mm), it provides reliability for critical uses like water filtration or glass manufacture.

Is GS-BW Silica Sand safe to use on site?

This product is classified as hazardous, particularly when processed in ways that generate respirable dust. It contains crystalline silica, which may cause silicosis or cancer through prolonged or repeated inhalation. Always implement dust control measures and wear appropriate personal protective equipment.

Can I use this sand as a general-purpose aggregate?

While it can function as an inert filler in concrete or other mixes, its precise specifications are usually for applications requiring specific performance. For general use, ensure dust control is maintained. Its high purity and controlled particle size are often overkill for basic aggregate needs.

What precautions should I take when handling silica sand?

Avoid creating or breathing in dust. Work in well-ventilated areas, ideally with mechanical extraction. Wear dust-proof goggles, PVC or rubber gloves, and a Class P1 or P2 particulate respirator to minimise exposure to respirable crystalline silica.

Applications and benefits

Where GS-BW Silica Sand is used, what it delivers, and who uses it
Application Key benefit Primary trades
Water Filtration Consistent particle size (Min 95% passing 0.425mm) for effective and reliable water treatment. Water treatment specialists, civil contractors
Glass Manufacture High purity (>99% SiO2) minimises impurities, crucial for optical clarity and material integrity. Glass manufacturers
Foundry Casting Specific particle distribution ensures mold stability and predictable casting results. Foundry operators
Concrete, Adhesives & Grouts Inert filler with controlled particle size provides consistent mix performance and strength. Concreters, tilers, adhesive manufacturers
Sports Surfaces & Traction Aid Uniform grading offers specific drainage and surface stability for sporting fields or anti-slip applications. Landscapers, sports facility builders
Textured & Render Finishes Controlled particle size contributes to specific surface profiles and finish textures. Renderers, plasterers
Epoxy Flooring Provides defined aggregate for specific texture, strength, and slip resistance in resin systems. Epoxy flooring installers

Applying Sunstate Dried Silica Sand (GS-BW): Enhanced Protocols & Best Practices

  1. Material Handling

    Keep bags sealed and dry. Handle gently to minimise dust. Use local extraction or wet methods where practical.

    Dry Broadcast

    Distribute evenly into wet coating; allow to gel/cure, then de-dust and overcoat as per the resin system.

    Premix Filler

    Introduce slowly into resin or grout while mixing to avoid clumping. Verify target viscosity and flow before placement.

    Timing: Broadcast during the specified open time; overcoat only once fully cured and dust-free.
    Pro Tip: Sieve reclaimed broadcast to remove fines before re-use; fines can dull texture and affect slip ratings.

Product limitations

  • Hazardous dust: This product contains crystalline silica and is classified as hazardous when dust is generated through processing or abrasion. Inhalation of respirable dust may cause silicosis or cancer.
  • Not for: Applications involving contact with hydrofluoric acid due to incompatibility.
  • Not for: Uncontrolled dry handling without specific dust suppression or personal protective equipment.

Safety and handling

Signal word: WARNING

Personal protective equipment

Wear dust-proof goggles. Wear PVC, rubber, or cotton gloves. For heavy contamination or large quantities, use coveralls. Where an inhalation risk exists, wear a Class P1 or P2 (Particulate) respirator.

Ventilation

Avoid inhalation. Use in well-ventilated areas. Where an inhalation risk exists, mechanical extraction ventilation is recommended. Wet the product where possible to minimise dust generation. Maintain dust levels below the recommended exposure standard (0.05 mg/m³ TWA for respirable quartz dust).

First aid

  • Eye: Flush continuously with running water for at least 15 minutes, holding eyelids apart. Seek medical advice.
  • Inhalation: Remove from contaminated area. Administer artificial respiration if not breathing.
  • Skin: Remove contaminated clothing. Flush skin and hair with running water. Seek medical advice if irritation persists.
  • Ingestion: Unlikely due to product form. Contact a Poisons Information Centre (13 11 26 Australia Wide) or a doctor immediately if ingested.

Eye wash facilities and a safety shower should be available.

Storage and disposal

Store in a cool, dry, well-ventilated area, away from incompatible substances and foodstuffs. When disposing, ensure the product is covered with moist soil to prevent dust generation and dispose of to an approved Council landfill.

Sunstate Sands F6 & F8 Application Guide

F6 – Foundry & Epoxy Flooring Applications

For foundry moulding, ensure all patterns and mould boxes are clean, dry, and free from oil or residual release agents. For epoxy floor systems, concrete surfaces must be sound and cured (28 days minimum), with laitance and contaminants mechanically removed. Vacuum clean immediately prior to resin priming or broadcast.

Primer recommended for epoxy applications; not required for foundry use.

Apply Adheseal Epoxy Primer System to prepared concrete, then broadcast F6 sand evenly onto wet primer or base coat to create a mechanical key. No primer is needed in metal or sand mould foundry work where F6 acts as the primary mould aggregate.

Adheseal Epoxy Primer System

F8 – Textured Coatings, Grouts & Adhesives

Ensure all substrates are clean, dry, and free of oil, dust or efflorescence. On cementitious surfaces, remove loose particles by light grinding or brushing. Verify moisture content is below 75 % RH before mixing into epoxy or cementitious systems.

Primer recommended for dense substrates to maximise bond strength.

Use Adheseal Primer 2001 on low-porosity concrete and masonry before applying grouts or adhesives containing F8. For architectural texture coatings, primer may not be required if sand is pre-blended into a compatible binder system.

Adheseal Primer 2001

Custom Blends & Special Applications

When using custom mixes of F6 and F8, store in sealed dry conditions to avoid moisture absorption. Blend mechanically using a low-speed mixer to ensure even particle distribution before adding binders or resins.

Primer choice depends on binder system used.

Confirm compatibility with the manufacturer’s binder or resin before final application. For high-adhesion systems, pair with Adheseal Primer 50A for superior wetting and bond stability.

Adheseal Primer 50A

Sunstate Dried Silica Sand Physical Properties

Sunstate Dried Silica Sand Physical Properties
Property Value
Product Name GS-BW Silica Sand
SiO2 Content >99%
Al2O3 Content <0.12%
Fe2O3 Content <0.030%
TiO2 Content <0.10%
Cr2O3 Content <0.0006%
Minimum Passing 0.425mm Aperture 95%
Minimum Retained 0.105mm Aperture 95%
Appearance Granular Solid
Odour Odourless
Flammability Non-flammable
Melting Point >1200°C
Solubility Water Not Soluble
Bulk Density 1500 kg/m³
Hazard Classification Hazardous (GHS Category 2 Repeated Exposure, IARC Group 1 Carcinogen)
Exposure Standard Respirable Dust 0.05 mg/m³ TWA (Quartz)

Sunstate Dried Silica Sand - Use Cases

Here are some common examples on where Sunstate Dried Silica Sand used by our customers.

Caulking

Adjusting Sealant/Adhesive Properties

When customising bulk sealants, adhesives, or coatings for specific viscosity, texture, or added strength requirements.

Consistent grading and high purity ensure reliable property modification without compromising the system's performance or integrity.

  • 95% passing 0.425 mm sieve
  • 95% retained 0.105 mm sieve
  • >99% SiO2 purity
  • <0.030% Fe2O3 content

Masonry

Precision Grout/Mortar Aggregate

Creating specialty grouts or repair mortars that demand extremely consistent particle sizing and inert filler for predictable performance.

Graded particle size and chemical inertness provide reliable strength, controlled flow, and consistent finish for high-specification mixes.

  • 0.105 mm to 0.425 mm graded
  • >99% SiO2 purity
  • <0.0006% Cr2O3 content
  • <0.10% TiO2 content

Civil Construction

Purity for Sensitive Formulations

Mixing filler into moisture-sensitive resins, epoxies, or colour-critical sealants where impurities cause critical defects.

This dried, high-purity aggregate prevents moisture-induced failures, discolouration, and chemical reactions within sensitive systems.

  • >99% SiO2 content
  • <0.030% Fe2O3 content
  • <0.12% Al2O3 content
  • Supplied as dried product

Flooring

Epoxy flooring broadcast aggregate

When creating durable, slip-resistant epoxy floor systems that require controlled texture and wear resistance.

Precisely graded silica provides uniform texture and enhances wear resistance, contributing to a robust and long-lasting finish.

  • >99% SiO2 purity
  • 95% passing 0.425mm
  • Improved wear layer
  • Epoxy build coats

Tiling

Cementitious grouts and adhesives

As a filler to control rheology, improve workability, and enhance strength in cement-based products.

High purity and precise particle size distribution optimize mix consistency and contribute to the final product's mechanical strength.

  • >99% SiO2 purity
  • 95% retained 0.105mm
  • Rheology control
  • Strength contribution

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