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PLASTERMIX Plaster of Paris Casting Material - Brown
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  • PLASTERMIX Plaster of Paris Casting Material - Brown
  • PLASTERMIX Plaster of Paris Casting Material - Brown

PLASTERMIX Plaster of Paris Casting Material - Brown

Brand: Sandtastik
Product Code: PLMX012, PLMX052, PLMX102
Availability: In Stock
You are currently seeing retail pricing.
From $3.58

Available Options

* PLASTERMIX Size Options:

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PLASTERMIX Plaster of Paris Casting Material

PLASTERMIX Plaster of Paris Casting Material – create castings in color! 
Plaster colors include arctic white, blue, brown, green, orange, purple, red, and yellow.

As a specially formulated art supply grade plaster, PLASTERMIX Plaster of Paris Casting Material is activated by using 2 parts casting material to 1 part cold water.  Check ‘How To Make Plaster’ section below for instructions and best practices.  

Hardening or drying times for PLASTERMIX will vary with mold thickness. As a general guideline, please follow these drying time allowances:

  • For smaller moldings, less than 1” thick, allow 20 - 30 minutes.

  • For larger moldings, more than 1” thick, allow 45 – 60 minutes.


Sandtastik® PLASTERMIX is the perfect craft for kids birthday parties, classroom projects, camps, and at home.


Color:   Brown
Packaging:   1 kg (2.2 lb) Bag, 5 lb (2.3 kg) Resealable Pouch, 10 kg (22 lb) Bag
Ages:   4+   (adult supervision)
Certif:   ACM 'AP' Non-toxic
Conforms to ASTM D-4236

How To Make PLASTERMIX Plaster of Paris Casting Material


1. Measure 1 part PLASTERMIX Plaster of Paris Casting Material to ½ part water 
      NOTE:  Using warm water will accelerate material hardening.  It is recommended to use cold water to allow for adequate setup.
2. Stir contents until you obtain a smooth consistency.
3. Pour into desired mold.
4. Let dry approx. 45-60 minutes. Drying times will vary for large castings.
5. Remove casting from mold.
6. Ready to decorate.

Frequently Asked Questions

Q.  What’s the ratio for mixing PLASTERMIX Plaster of Paris Casting Material with water?   
A.  2:1    (2 parts plaster to 1 part water)
Q.  What consistency am I looking for in my plaster-and-water mixture?
A.  Initially the mixture will seem quite watery when mixed at a ratio of 2 parts plaster to 1 part water. As PLASTERMIX Plaster of Paris Casting Material begins to react and temperature starts to climb, it will slowly become thicker and thicker until finally solidifying. Remember to use cold water to allow for a greater drying time.

Special Clearance Price

We're offering our 22 lb (10 kg) PLASTERMIX for only $7.99, down from $25.98! This is a limited time offer.


When mixed with water, this material hardens and produces heat quickly. DO NOT attempt to make a cast enclosing any part of the body using this material. Dust from mixing may cause irritation to eyes, skin, nose, throat and upper respiratory tract Use only in a well-ventilated area. It is recommended to wear face and eye protection. If eye contact occurs flush thoroughly with water for 15 minutes. If on skin Wash with plenty of water If swallowed and/or irritation persists, call physician.

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