Fine Casting Plaster 500g

Fine Casting Plaster 500g

Achieve crisp, detailed casts every time with Fine Casting Plaster 500g from Geek Gaming Scenics. This high-quality calcium sulphate hemihydrate casting plaster is easy to mix, quick to set, and non-toxic — making it the reliable choice for hobbyists and modellers casting miniature figurines, terrain features, props, and scenic details.

With an initial set time of just 20 minutes and a smooth, fine-grain finish, it's ideal for capturing intricate mould detail with consistent, durable results every time.

Why Choose Fine Casting Plaster?

• ✔ High-quality fine finish — captures crisp mould detail for accurate, detailed casts
• ✔ Quick setting — initial set in ~20 minutes, final set in ~25 minutes
• ✔ Easy to mix — simple water-to-plaster ratio for consistent results every time
• ✔ Non-toxic & environmentally friendly — safe for hobby use
• ✔ 500g bag — ideal for small to medium casting projects
• ✔ Made in Great Britain by Geek Gaming Scenics

Perfect For

• Casting miniature figurines, terrain features, and scenic props
• Creating reusable moulds for wargaming and hobby projects
• Reproducing rock faces, cobblestones, and architectural details
• Beginners and experienced modellers alike

How to Use

1. Measure your plaster and water using the ratio below.
2. Add the plaster powder to the water gradually, stirring constantly to avoid lumps until a smooth paste forms.
3. Pour the plaster paste slowly into your mould to avoid trapping air bubbles.
4. Allow to set completely before removing from the mould (initial set ~20 min, final set ~25 min).
5. Once fully set, paint or seal as desired.

Mixing Ratio

• Plaster to water ratio (by weight): 100:70
• Water to plaster ratio (by weight): 70%

Technical Data

• Chemical name: Calcium sulphate hemihydrate
• Chemical formula: CaSO₄ · ½H₂O
• Initial setting time: ~20 minutes
• Final setting time: ~25 minutes

Not recommended for external use or conditions subject to weathering or excessive dampness. Store in a cool, dry place.

Weight: 500g | Origin: Made in Great Britain