Is it very white not off white

hydrostone is mostly very white. it can be off white depending on several factors including batch variation, water impurities when mixing, and others. it is usually very white.

What is the density of the powder?

108 lbs/cu. ft dry, 119 lbs/cu ft wet. The 50lb bag of powder is about 24"x16"x7". So that's approximately 1.5cu ft. 50/1.5 gets you about 33 and a 1/3. Right around there. I don't know the exact dimensions of the bag, yo.

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HydroStone Plaster for Scenery, Dioramas, Dentistry, Mold Casting, Ant Colony, Formicarium, Also Great for Model Railroads & Gaming (2.5 lb)

Product ID: 339089877

Details

Brand
Laguna
Color
light gray
Item dimensions L x W x H
11 x 8 x 2
Material
Gypsum
Shape
Flat

🎨Accepts liquid & crystal pigments

💪40-50% harder than standard plaster

⏱️Quick setting in minutes

€ 96.68

Duties & taxes included

In stock

Sold byAmazon SlovakiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎯 Cast with Confidence, Create with Power

VIBRANT CUSTOMIZATION - Easily mix in liquid or crystal pigments for personalized, eye-catching finishes.
MESS FREE READY TO USE - Comes in a water-resistant resealable bag to keep your plaster fresh and spill-free.
FAST TRACK YOUR CREATIVITY - Quick setting formula lets you move from pour to detail faster—no more waiting around.
VERSATILE FOR EVERY PROJECT - Perfect for dioramas, model railroads, gaming castings, dentistry molds, and more—professional-grade quality for all your creative ventures.
UNMATCHED STRENGTH DURABILITY - Hydrostone is 40-50% harder than typical casting plaster, ensuring your models stand the test of time.

Hydrostone Plaster is a premium, quick-setting gypsum plaster designed for superior hardness and fine detail in casting. Packaged in a resealable, water-resistant bag, it accepts pigments for custom coloring and is ideal for professional and hobbyist applications including dioramas, model railroads, and dental molds. Rated commercial grade and 40-50% harder than standard plaster, it delivers durable, high-quality results every time.

Specifications

ASIN	B0962RJRLL
Brand Name	Laguna
Color	light gray
Customer Reviews	4.5 4.5 out of 5 stars (97)
Grade Rating	Commercial
Item Dimensions	11 x 8 x 2 inches
Item Form	Powder
Item Shape	Flat
Manufacturer	USG
Material	Gypsum
Number of Items	1
Number of Packs	1
Part Number	Hydrostone
Specification Met	Yes

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