20kg Sunstate Dried Silica Sand bag, pure white F4-F8 grades for epoxy flooring fillers, grouts, adhesives & concrete repair.

Sunstate Dried Silica Sand F8/F6/F4: pure white graded filler for epoxy flooring, grouts, adhesives in 20kg bags

Sunstate Dried Silica Sand

Name: Sunstate Dried Silica Sand
Brand: Adheseal
SKU: SAND/.8
Price: 1444.32 AUD
Availability: InStock
Rating: 5.0 (1 reviews)

High-purity dried silica sand graded 0.105mm to 0.425mm for chemical, industrial, and technical blending. Over 99% SiO2 with low iron oxide, so clear systems stay clear.

Vendor: Adheseal

SKU: SAND/.4/PALLET

Availability: Out Of Stock

$1,444.32; $1,444.32
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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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Description

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.

Common Questions

What particle size is the silica sand?
At least 95% passes 0.425mm and at least 95% is retained on 0.105mm.

What silica purity is stated?
More than 99% SiO₂ in the current product evidence.

Can it be used in any epoxy or mortar?
No. Use it only where the host product or system permits this aggregate grading.

Should the sand be kept dry?
Yes. Moisture or contamination can affect the host mix or broadcast system.

Uses & Benefits

High-purity dried graded silica sand for use as an inert aggregate and filler in compatible trade and industrial mixes. Current product evidence states more than 99% SiO₂. At least 95% of particles pass 0.425mm and at least 95% are retained on 0.105mm. Iron oxide content is below 0.030% in the current product evidence. Consistent grading supports repeatable mix design and broadcast applications.

How To Apply

Confirm the required aggregate grading and addition rate from the host product instructions. Keep the silica sand dry before use. For resin or mortar mixes, add it at the stage and ratio specified by the system manufacturer and mix until uniformly distributed. For broadcast applications, apply into the wet primer or coating at the rate specified by the complete system. Remove loose excess aggregate after cure before subsequent coats where required.

Limitations and Safety Info

Use only where the host resin, cementitious product or coating system permits clean dried silica aggregate. Do not substitute this grading where a system specifies a different aggregate size. Keep the sand dry and free from contamination before mixing or broadcasting. Use appropriate respiratory controls for respirable crystalline silica dust in accordance with the current SDS and workplace requirements.

Suitable Substrates

Compatible epoxy and resin flooring or repair systems.
Compatible cementitious mortars and grouts requiring graded silica aggregate.
Wet primers or coatings that specify a dried silica-sand broadcast.

Sunstate Dried Silica Sand Physical Properties
Property	Value
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%
Odour	Odourless
Melting Point	>1200°C
Solubility Water	Not Soluble
Density	1500 kg/m³
Exposure Standard Respirable Dust	0.05 mg/m³ TWA (Quartz)

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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What it does

Numbers that matter