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Mouldmaster Stonecast Review: Quick-setting and durable moulding for crafters

Mouldmaster 5 Kg Stonecast, White
4.8
[Stronger Than Plaster]  Provides superior strength for durable repairs and sculpting compared to plaster.
[Perfect For Crafts]  Ideal for all craft projects, modeling, props, and detailed art pieces.
[Bulk Pack]  Large pack supplies multiple projects, ideal for workshops and frequent use.
[10-Minute Work Time]  Offers a 10-minute workable window for shaping and precise adjustments.
[Sets In 15 Minutes]  Fast-setting formula cures in 15 minutes for quick project turnaround.
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Home moulding material, Mouldmaster Stonecast, offering fast setting times and a robust finish. Perfect for hobbyists and small studios that need highly detailed casts with minimal waiting. Is the bulk pack and short working window the right match for your regular craft projects?

⚡ At a Glance
  • Workability: Workable for up to 10 minutes, allowing careful application before set begins
  • Best for: Hobby crafters, prop makers and small studios needing quick casts
  • Not ideal for: Large commercial castings that require extended working time

Manufacturer states a 15 minute set time and a 10 minute working window. Users praise a smooth finish and highly detailed mould reproduction.


High-detail reproductions - with a quick-setting stonecast mix

Workable for up to 10 minutes before the chemical set begins, giving time to press or pour into fine moulds. Manufacturer information lists a 15 minute set time while some users report around 20 minutes to reach a fully firm finish.

Crisp, well-defined casts with a smooth surface simplify finishing and reduce the need for extensive tidy-up work.

Greater durability than plaster - thanks to a stronger-than-plaster formulation

Product descriptions state the mix is stronger than plaster, indicating a denser cure and improved compressive strength compared with traditional plaster mixes. The denser structure helps parts resist chipping during demoulding.

Finished pieces cope better with handling and display, cutting down on rejects and breakage for delicate projects.

Plenty of material for multiple projects - with a 5 kg bulk pack

Listing and product name identify a 5 kg bulk pack sold for craft use, and user feedback confirms generous quantity per bag. Packaging is described as bulk style and may vary between deliveries.

Enough material for several small runs or classroom sessions, reducing the need for frequent reorders and keeping projects moving.

✨ The 4 Key Reasons for Mouldmaster Stonecast
  1. Fast set time - Speeds up project turnaround and reduces waiting between pours
  2. High-detail finish - Captures fine textures for crisp mould reproductions
  3. Bulk 5 kg pack - Supplies multiple casts without frequent reordering
  4. Stronger than plaster - Finished pieces resist chipping and breakage better
📋 Technical Details at a Glance
  • Category: Home moulding material
  • Brand: Mouldmaster Stonecast
  • Product type: Stonecast casting compound
  • Weight: 5 kg
  • Colour: White
❓ Frequently Asked Questions

Q: How long do I have to shape or pour the mix?

A: Workable for up to 10 minutes, giving a short window for detailed work before the mix begins to set.

Q: How long until casts are set and ready for handling?

A: Manufacturer information states a 15 minute set time, though some users report closer to 20 minutes for a fully firm finish.

Q: Will it capture fine detail for small sculptures and props?

A: Yes, user feedback highlights highly detailed mould reproduction and a smooth finish, indicating good fine-detail capture.

🏆 Our Verdict

Ideal for hobby crafters, prop makers and small studios that need quick, reliable casts. Fast set time combined with a formulation described as stronger than plaster and a generous 5 kg bulk pack makes it well suited for repeated small projects. Bulk quantity and durable results offer good long-term value for regular users.