Capital Ceramics Hydrostone Plaster for Scenery, Dioramas, Dentistry and Mold Casting and Great for Model Railroads & Gaming (25 Pound)
Key features
- •Hydrostone Plaster for Scenery Dioramas and Casting, Creates Super Hard Castings With Great Detail
- •Quick setting, lightweight white plaster in water resistant bag. Ideal for patterns, figurines, commercial casts, and sculpture. It is not for making outer or mother molds, and it is not recommended for outdoor use.
- •Full strength Hydrostone gypsum plaster, not cut with cheap plaster fillers
- •Designed for strength and casting detail. Hydrostone is 40% to 50% harder than casting plaster and works much like plaster in mixing, pouring, and setting.
- •Accepts liquid or crystal pigment colors and stains
Capital Ceramics Hydrostone Plaster for Scenery, Dioramas, Dentistry and Mold Casting and Great for Model Railroads & Gaming (25 Pound)
List Price: $113.49$102.14DEALYou Save: $11.35 (10%)
Free shippingFree Returns – 30 daysFree Order CancellationSecure Payment2–3 Days DeliveryGet It June 24, 2026In Stock (1)No marketing spamNo account requiredFulfilment by FedEx / Amazon / UPS / ShipwirePayPal / Card Buyer Protection
Customer Reviews
Reviews sourced from verified Amazon purchasers4.2
out of 5
Based on 2 reviews
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Just what I was looking for!
Bruce Gerlach✓ Verified Purchase•September 8, 2023
I had never used hydrostone before and am very happy with the results! Item shipped fast, too!
Great product!
Stalling C. Hale✓ Verified Purchase•August 4, 2023
I have had great results from this product, easy 2:1 (2 parts plaster to 1 part water) solution. Easy to mix, however mixing is the key, you can't just pour in the plaster and water on top and not mix it well, kinda like making cookie dough, you don't leave pockets of unmixed product. Not sure what the one bad reviewer had issues with, but likely operator error!
I use this as a hydration/moisture providing material in making formicaria. You do need to know that this stuff has a .28% expansion property that if confined inside of a say an acrylic box, depending on your application, it can expand enough to break the acrylic box container, but used with proper allocation and application it works great.
If you need something that has less expansion properties then use this vendors Ultracal30 product.
5 stars, will be purchasing again in the future.
I use this as a hydration/moisture providing material in making formicaria. You do need to know that this stuff has a .28% expansion property that if confined inside of a say an acrylic box, depending on your application, it can expand enough to break the acrylic box container, but used with proper allocation and application it works great.
If you need something that has less expansion properties then use this vendors Ultracal30 product.
5 stars, will be purchasing again in the future.
