Plaster, Moulding & Casting Learning Centre
Compare casting plasters, improve mould-making results, reduce bubbles, finish gypsum castings and work more safely.
Use these guides to choose the right material, plan the work, avoid common failures and connect practical technique with products available from GoIndustrial.
Learning Centre / Plaster, Moulding & Casting
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Which Plaster Should I Use? A Practical Casting & Mould-Making Guide
Compare Plaster of Paris, pottery plaster, Hydrocal, Hydro-Stone and Ultracal 30 by strength, absorption, detail and intended use.
Read the guideHow to Sand Plaster Castings with Drywall Sanding Screen
A practical guide to using drywall sanding screen on dry plaster castings, including grit selection, flat backing, dust control and final finishing.
Read the guideCan You Recycle Plaster of Paris? A Controlled Reclamation Guide
A cautious guide to reclaiming clean Plaster of Paris waste through sorting, crushing, controlled heating and test casting for non-critical uses.
Read the guideMore Plaster, Moulding & Casting guides
How to Use Skin-Safe Alginate for Hand and Body Casting
A consent-first guide to short-term alginate moulds for hands and selected body areas, with preparation, mixing, release and casting guidance.
Read the guideShould You Add PVA Wood Glue to Plaster of Paris?
Adding PVA wood glue to Plaster of Paris can change edge toughness, flow, bubbles and drying. This guide shows how to test it without sacrificing a full project.
Read the guideCavity-Pour and Matrix Mould Making: A Practical Guide
A practical introduction to cavity-pour and matrix moulds, including method selection, model preparation, parting lines, rubber thickness and support shells.
Read the guideIsopropyl Alcohol in Plaster Casting: Bubble Reducer or Release?
A careful guide to using a fine 70% IPA mist as one bubble-control technique in plaster casting without confusing it with mould release.
Read the guideGypsum vs. Plaster: What Makers Actually Need to Know
Understand the difference between gypsum, plaster, Plaster of Paris, casting plaster and high-strength gypsum cement before choosing a material.
Read the guideNeed help choosing?
Tell us what you are making, repairing or maintaining. Include the materials, dimensions, service conditions and the result you need.
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