Industrial Minerals Resources & Insights

Technical guides, buyer references, and industry analysis for procurement professionals sourcing quartz, feldspar, dolomite, and mica.

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Technical Guide

Talc in Polypropylene: How Loading and Particle Shape Drive Stiffness

How talc reinforces polypropylene — the mechanism behind modulus and HDT gains, why aspect ratio matters more than loading alone, typical 10–40% formulations, and the trade-offs in impact and surface finish.

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Buyer's Guide

Industrial Talc: Grades, Asbestos Screening and the Australian Import Rules

How industrial talc grades differ, why talc and asbestos occur together geologically, what Australia's zero-tolerance import regime requires, and what the 2024 IARC reclassification changed.

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Technical Guide

Hydrous vs Calcined Kaolin: Choosing a Titanium Dioxide Extender

What calcination does to kaolin, why calcined grades extend titanium dioxide, how much TiO₂ you can realistically displace, and when a hydrous grade is the better choice.

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Industry Insight

Kaolin Particle Films: Sunburn Protection for Australian Orchards and Vineyards

How kaolin particle films reduce fruit sunburn — the reflectance mechanism, published efficacy in apples, citrus, stone fruit and wine grapes, application practice, and the APVMA position.

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Technical Guide

Silica Sand Grades: What Actually Differs Between Filtration, Foundry and Glass Sand

Why silica sand is specified so differently across water filtration, foundry moulding and glass batch — effective size, uniformity coefficient, AFS grain fineness, iron ceilings and acid solubility.

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Industry Insight

Silica Sand and Australian Silica Law: The Blasting Ban and the 2024 Rules

Australia prohibits abrasive blasting with media above 1% crystalline silica, and since September 2024 regulates processing of all crystalline silica substances. What the rules require of buyers.

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Buyer's Guide

How to Buy Industrial Minerals in Australia: Local Supply, Samples & Small Orders

A practical guide for Australian buyers — minimum order quantities, 25 kg bags from 250 kg, samples, Certificate of Analysis, NATA-accredited testing, lead times, and how to compare suppliers.

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Technical Guide

Barite for Drilling Fluids: API 13A Specification Explained

What API 13A drilling-grade barite is, the specific gravity and chemistry it must meet, why weighting agents matter in drilling mud, and how to specify and verify barite for oil & gas, HDD and water-well drilling.

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Technical Guide

Soda Feldspar vs Potash Feldspar: What's the Difference and When to Use Each

A detailed technical comparison of Na-feldspar and K-feldspar — chemical composition, melting behaviour, ceramic body and glaze applications, and how to choose the right grade for your process.

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Buyer's Guide

Quartz Powder Mesh Sizes Explained: 200, 325, 500, 1250 Mesh — Which Grade Do You Need?

A clear reference guide to quartz powder mesh sizes — what mesh numbers mean, micron equivalents, and which grade suits ceramics, glass, paints, electronics, and specialty applications.

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Industry Insight

The Complete Guide to Sourcing Industrial Minerals from India to Australia

A step-by-step guide to importing quartz, feldspar, dolomite, and mica from India — ports, transit times, quality control, Australian import regulations, and supplier qualification.

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Buyer's Guide

How to Qualify an Industrial Mineral Supplier

The due-diligence checklist for procurement teams evaluating a new mineral supplier — what documents to request, how to interpret a Certificate of Analysis, and red flags to watch for.

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Technical Guide

Dolomite vs Calcite: Which Filler for Paints?

A technical comparison of dolomite and calcite as functional fillers in paint and coatings — refractive index, brightness, hardness, oil absorption, and their effect on dry film properties.

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Industry Insight

India's Mineral Export Quality: Rajasthan's Role in Global Supply

How Rajasthan's geology produces some of the world's lowest-iron quartz and feldspar deposits, and why this matters for buyers in ceramics, glass, and coatings.

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Technical Guide

Mica in Paint and Coatings: Technical Benefits

How muscovite and phlogopite mica improve barrier properties, chemical resistance, and colour consistency in architectural and industrial coatings — and which grades to specify.

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Buyer's Guide

Quartz Grit for Water Filtration: Buyer's Guide

Everything procurement and water-treatment engineers need to know about specifying quartz grit for rapid sand filters — grading, silica purity, roundness, and what to include in a purchase contract.

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