Plaster of Paris (POP) Premium Casting Grade

Fine Grade Plaster of Paris for Casting and Moulding (Made in UK)

This fine casting grade Plaster of Paris is ideal for detailed moulding, model making, and art projects in Sri Lanka. Easy to mix and fast setting, it's perfect for use with silicone, latex, or plastic moulds to produce smooth, crack-free results.

Whether you're crafting small ornaments, small pots or larger decorative pieces, this UK made plaster delivers professional quality results. Once hardened, it can be carved, painted, sanded, or varnished. Ideal for resin artists, teachers, pot makers, and hobbyists in Sri Lanka.

Plaster of Paris vs. Gypsum | Key Difference
Plaster of Paris is made by heating gypsum to remove moisture, resulting in a fine, fast-setting powder ideal for casting and moulding. Gypsum is the raw mineral form, often used for wall finishes, chalk, and larger construction projects. For detailed craft work, Plaster of Paris is best. For broader applications, see our gypsum powder available at Artland.

Benefits / Advantages:

• High purity fine grade plaster, smooth, lump-free casting
• Quick setting, initial set in 11–15 minutes
• Compatible with all mould types, latex, silicone, plastic
• Easily carvable, sandable, and paintable after curing
• Excellent for hobby casting, home décor, and classroom use
• Trusted UK manufacturer, consistent quality

Technical Details:

• Type: Grade 1 Fine Casting Plaster of Paris
• Origin: Made in England
• Ideal Mixing Ratio: 100g powder : 60-65ml water (for Casting)
• Color: Pure White
• Setting Time: Initial set 11–15 minutes (Depend on amount of water, temperature & humidity) ; full cure ~1 hour
• Use: Casting, moulding, sculpting, and model making
• Shelf Life: Store sealed in a dry area

What’s Included: 1 pack of high-quality fine plaster powder (500g or 1kg)

Mixing instructions (Tips for Best Results):

1. Always measure by weight, not volume.
2. To reduce lumps & bubbles, add Plaster into water.
3. Mix gently to avoid trapping air.

Water-to-plaster of Paris Ratio
Consistency Type, Water to : POP Ratio % (by weight)

1. Pour-able Slurry 45-50g Water : 100g Plaster (Casting with molds, general use)
2. Thin Slurry 55–65g Water : 100g Plaster (Intricate molds, less strength)

How to Use:

1. Fill your mould halfway with water and pour into a mixing container.
2. Gradually add plaster powder while stirring slowly.
3. Mix to a thick, pourable consistency.
4. Pour into the mould and tap gently to remove air bubbles.
5. Allow to set for at least 1 hour before removing from mould.

Special Notes:

• A lower water ratio results in faster setting.
• Do not store in damp or humid areas.