How long does it take to be hard enough for taking the mold off?

In general, you should be able to remove the mold from the plaster in 20-30 minutes. My experiences is with small, shallow casting between 1/2 to 1 inch thick. The casting will remain wet for up to 24 hours, depending on room temperature, so be gentle in removing the mold.

Can this be used for making molds for pouring porcelain? The molds would be placed in a kiln and fired at a high temperature for the porcelain to cure

I don't see why not? I made bats to dry out my recycled clay, so I haven't put them in the kiln, but it's just regular plaster used in ceramics as far as I can tell. You might want to test one before you commit to putting your work at risk. You could also buy plaster from a clay vendor whom you can ask to make sure it is kiln-worthy.

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

High Strength 20 Plaster for Scenery, Dioramas, Dentistry and Mold Casting 5 lb Pack Resealable Bag Great for Model Railroads & Gaming by Capital Ceramics

Product ID: 579617082

Details

Brand
Capital
Colour
White
Age Range (Description)
Adult
Material
gypsum plaster
Number of Items
1

⚡20-30% harder than Plaster of Paris

💧Water-resistant resealable bag

⏱️Quick setting formula

Description

🎨 Cast with Confidence, Create with Power!

MESS FREE MASTERY - Resealable, water-resistant packaging keeps your plaster fresh and ready for every project.
UNMATCHED DURABILITY - Experience 20-30% greater hardness for flawless, long-lasting casts.
VERSATILE CREATIVITY - Perfect for scenery, model railroads, dentistry molds, and intricate figurines—your all-in-one casting solution.
SPEED MEETS PRECISION - Quick setting plaster lets you create detailed models faster without sacrificing quality.
VIBRANT CUSTOMIZATION - Easily accepts liquid or crystal pigments to bring your dioramas and sculptures to life.

Capital Ceramics High Strength 20 Plaster is a premium, high-density plaster that sets quickly and offers 20-30% more hardness than standard Plaster of Paris. Packaged in a water-resistant resealable bag, it’s ideal for detailed casting in scenery, dioramas, dentistry molds, and model railroads. Non-toxic and pigment-friendly, this 5 lb pack empowers professionals and hobbyists alike to achieve durable, vibrant, and precise results every time.

Specifications

ASIN	B01MQOWXKL
Age Range (Description)	Adult
Age Range Description	Adult
Brand	Capital Ceramics
Brand Name	Capital Ceramics
Colour	white
Country of Origin	USA
Customer Reviews	4.6 out of 5 stars 39 Reviews
Educational Objective	Creative Skill
Included Components	clay
Item Dimensions	38.1 x 25.4 x 10.2 Centimeters
Manufacturer	Capital Ceramics
Manufacturer Part Number	PP05
Material	Plaster
Material Type	Plaster
Model Name	High Strength 20 Plaster
Number Of Items	1
Number of Items	1
Other Special Features of the Product	Non-Toxic
Recommended Uses For Product	Modeling
UPC	027829502638
Unit Count	1.00 Count

Reviews

A**T

It hardend well

21.05.2018

K**S

Great product

8.06.2021

C**1

It works

20.08.2022

M**T

Fine product

2.11.2019

(**)

Just Ok..

10.03.2020

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

Pooja R.

The customer service exceeded my expectations. Perfect for buying products you can't find elsewhere.

1 week ago

View all Trustpilot reviews