Moulding, Casting & Artificial Stone Knowledge
Cultured marble, GFRC and precast systems — mix design, release, cracking and surface defects.
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- Cast Stone Mix Calculator — Filler to Resin by Batch | AllzoneConvert your own ratio, part size and production volume into kilograms of resin, filler and pigment per batch, per run and per month. Arithmetic only — you supply every ratio.batch quantity errors · under-ordering · inconsistent batch sizes · waste allowance not costed
- Silicone Not Curing, Pinholes, Crazing — Casting Defect Diagnosis | AllzoneDiagnose the five failures that stop a casting shop: silicone that will not cure, pinholes, crazing after demould, parts sticking, and colour mottling. Symptom first, one variable at a time.silicone not curing · cure inhibition · pinholes · surface bubbles · crazing
- Cultured Marble Formulation: Bill of Materials, Ratios and Material SelectionCultured marble is a filled, cast polymer composite: an unsaturated polyester resin binder, a mineral filler that makes up most of the mass, a peroxide catalyst, pigment, and a sprayed gel coat that forms the visible surface. A working bill of materials…
- GFRC Mix Design: Materials, Fibre Content and Why AR Glass Is Non-NegotiableGlass fibre reinforced concrete is a thin-section cementitious composite made from cement, finely graded sand, alkali-resistant glass fibre, water, a high-range water reducer and — in most façade and architectural work — an acrylic polymer used for curing.…
- Precast Concrete Form Release Agents: How to Choose the Right Type for Your MouldsChoose the release agent from the mould material first, the required surface finish second, and the site's health and environmental constraints third. Reactive (chemically active) release agents are the general default for steel and other non-porous…
- Silicone vs Polyurethane Mould Rubber — and the Right Release | AllzoneChoose a tooling rubber family and a compatible release approach from what you cast, how many pulls you need and how the mould is built. Silicone, polyurethane and latex compared honestly.wrong mould rubber · short mould life · release build-up · surface marking from release · slumping on vertical surfaces
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- Cultured Marble Formulation: Bill of Materials, Ratios and Material SelectionCultured marble is a filled, cast polymer composite: an unsaturated polyester resin binder, a mineral filler that makes up most of the mass, a peroxide catalyst, pigment, and a sprayed gel coat that forms the visible surface. A working bill of materials…
- GFRC Mix Design: Materials, Fibre Content and Why AR Glass Is Non-NegotiableGlass fibre reinforced concrete is a thin-section cementitious composite made from cement, finely graded sand, alkali-resistant glass fibre, water, a high-range water reducer and — in most façade and architectural work — an acrylic polymer used for curing.…
- Precast Concrete Form Release Agents: How to Choose the Right Type for Your MouldsChoose the release agent from the mould material first, the required surface finish second, and the site's health and environmental constraints third. Reactive (chemically active) release agents are the general default for steel and other non-porous…
- Silicone vs Polyurethane Mould Rubber — and the Right Release | AllzoneChoose a tooling rubber family and a compatible release approach from what you cast, how many pulls you need and how the mould is built. Silicone, polyurethane and latex compared honestly.wrong mould rubber · short mould life · release build-up · surface marking from release · slumping on vertical surfaces
- Cast Stone Mix Calculator — Filler to Resin by Batch | AllzoneConvert your own ratio, part size and production volume into kilograms of resin, filler and pigment per batch, per run and per month. Arithmetic only — you supply every ratio.batch quantity errors · under-ordering · inconsistent batch sizes · waste allowance not costed
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- Coated vs Uncoated Calcium CarbonateCoating is a surface treatment — most commonly stearic acid or a stearate — applied to CaCO₃ particles to make them hydrophobic and more compatible with non-polar polymer melts. Coated grades disperse more easily, reduce moisture pick-up during storage and…poor dispersion
- Calcium Carbonate in PlasticsCalcium carbonate is used in plastics for three distinct reasons, often at the same time: cost reduction by displacing more expensive polymer with a cheaper mineral; process function — modifying rheology, thermal behaviour, dimensional stability and…
- GCC vs PCC — Ground vs Precipitated Calcium CarbonateGCC (Ground Calcium Carbonate) is produced by mechanically grinding natural limestone, marble or chalk. PCC (Precipitated Calcium Carbonate) is synthesised by carbonating a calcium hydroxide slurry with CO₂ under controlled conditions. The two share the…
- Calcium Carbonate (Raw Powder) — Industrial Uses, Applications and Buying GuideCalcium Carbonate (Raw Powder) (CaCO₃ — GCC (ground) or PCC (precipitated)) is a bulk industrial raw material used across multiple manufacturing sectors.
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