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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