- Aluminum Pail Opener(1)
- Bronze Metal Powder(1)
- Brush-On® 40(1)
- Cast Magic®(4)
- Crystal Clear® 202(2)
- duoMatrix® NEO(1)
- Ease Release® 200(2)
- Ease Release® 205(1)
- Feather Lite®(2)
- FlexFoam-iT!® 17(1)
- Free Form® AIR(1)
- Glow Worm®(1)
- Kwikee® Sprayer(1)
- Mixing Containers(3)
- Mold Max™ 14NV(1)
- Mold Max™ 20(1)
- Mold Max™ 29NV(1)
- Mold Max™ 30(2)
- Mold Star® 15 SLOW(3)
- Mold Star® 20T(1)
- Mold Star® 30(1)
- OOMOO® 25(3)
- OOMOO® 30(4)
- Plasti-Paste® II(2)
- PMC®-121 30/DRY(1)
- PMC®-780 DRY(2)
- Pourable Silicone Starter Kit(2)
- PoYo® Putty(1)
- Rebound™ 25(2)
- ReoFlex® 20(1)
- Simpact™ 60A(1)
- Simpact™ 85A(1)
- Smooth-Cast® 300(5)
- Smooth-Cast® 326(1)
Download our How-To Booklet
Smooth-On is here to take the guesswork out of making flexible molds and castings
How To Mold a Prop Shield For Cosplay
Jon N. shows us how he creates a mold for his Thundercats shield.
Casting Concrete Using Aquacon® Release Agent
AquaCon® is a water based concrete release agent that aids in releasing concrete castings from Smooth-On rubber molds
Making a Simple Block Mold Using Mold Star® 15 Silicone
Mold Star® 15 is an easy to use Shore 15A platinum silicone that is mixed 1A:1B by volume.
How To Make a 1-Piece Silicone Cut Mold
Mold Star® 15 is perfect for experienced mold makers or people just starting out.
Making a Simple Block Mold Using OOMOO® Silicone
This mold making tutorial video shows how to make a one piece silicone block mold using OOMOO® silicone rubber
Making a 2 Part Mold Using Mold Star® 15 Silicone
This video outlines the 2-part block mold making technique using silicone rubber.
Making a 2-Piece Mold Using OOMOO® Silicone
Mold box construction, model preparation and release agent application for a 2 part pour on mold are covered in this video.
Molding a 3D Object Using Rebound™ 25 Silicone Rubber
This tutorial shows how to create a Rebound™ 25 brush on silicone mold of a figurine
Making a Concrete Stamp Using Urethane Rubber
Project goal: transform a disused service entrance into an inviting stamped concrete walkway.
How to Use a Concrete Stamp
Project: Replace existing service entrance with a decorative concrete walkway.
Beginner’s Guide to Making Simple Candle Molds
OOMOO® Silicone Rubber is one of the easiest mold rubbers to use on the planet and is perfect for making simple candle molds.
How To Build a Hot Box Oven For Heat Curing Materials
We’ve come up with a way to easily build a cheap “hot box” to any size you want...
Creating Metallic & Glitter Effects with Cast Magic®
Cast Magic® Casting System is an easy way to add an endless variety of bright metallic, glitter and color effects to your castings.
Eliminating Bubbles In Resin Castings By Pressure Casting
Bubbles in clear castings can be removed by using a pressure casting technique, a shown in this tutorial video.
Reducing Bubbles In Castings By Vacuum Degassing
Clear resin performs best when the material is vacuumed before pouring, this tutorial video outlines the steps for degassing.
UVO® and So-Strong® Comparison
How a casting made with UVO® pigment and an equal amount of So-Strong® compare
Extending the Shelf Life of Urethane Rubber and Resin
XTEND-IT® is a dry gas blanket designed to extend the shelf life of moisture sensitive polyurethane products.
How To Remove The Lid From a 1-Gallon Pail
Smooth-On one gallon pails are easy to open once you know the proper technique.
Creating a Marble Effect Using Urethane Plastic
Creating a realistic cast marble effect is possible with Smooth-Cast® 325 liquid plastic.
How To Use The Kwikee® Sprayer
Using the Kwikee® Sprayer to spray mold making and casting release agents will save you over 60% vs. aerosols.
How To Pre-Mix Urethane Casting Resin - TASK® 3
Properly pre-mixing a urethane casting resin is important to ensure the material cures properly.
How To Pre-Mix Urethane Casting Resin - Feather Lite®
This video will illustrate the proper way to pre-mix Smooth-On Feather Lite urethane resin...
Two Piece Silicone Mold of a Knife
We demonstrate using Mold Star 30 silicone, a platinum silicone for mold making...
How To Mix Urethane Casting Resin - Double Mix and Pour Feather Lite®
Using the double-mix and pour technique helps to alleviate issues with unmixed resin.
How To Pre-Mix Silicone Rubber - OOMOO® 25
Not premixing silicone can result in the material not setting up correctly...
How To Mix Silicone Rubber - Double Mix and Pour OOMOO® 25
This mold making essential video demonstrates the double mix and pour technique using a 1A:1B OOMOO silicone rubber.
Using Glow Worm® to Make a Glow In The Dark Casting
How to best use Glow Worm phosphorescent powder to create a resin casting which will glow in the dark for up to 10 hours.
How To Measure Silicone By Weight - Mold Max® 20
How to use a gram scale to accurately weigh rubbers, plastics and other materials.
How to Double Mix and Pour Mold Max® 14NV Silicone
Inadequate mixing is the number one reason for silicone rubber not curing. This video demonstrates the double mix and pour technique.
How To Measure Urethane By Weight - Simpact™ 85A
How to use a gram scale to accurately weigh rubbers, plastics and other materials.
Casting Quickies - Smooth-Cast® 300 White Liquid Plastic
The Smooth-Cast® 300 Series of liquid plastics are ultra-low viscosity casting resins that yield castings that are bright white and virtually bubble free.
How To Vacuum Degas Silicone - Mold Max® 30
How to vacuum silicone to eliminate entrapped air and remove bubbles from your finished mold or casting.
Casting Quickies - Smooth-Cast® 325 - ColorMatch Urethane Resin
In this resin casting tutorial video, we demonstrate how to mix and pour Smooth Cast 325 liquid plastic resin.
How To Vacuum Degas Urethane Resin - Smooth Cast® 326
This video demonstrates vacuum degassing Smooth-Cast 326 to remove entrapped bubbles.
How To Build a Mold Box
Making a mold box for mold making. The mold box serves as a containment field for the mold rubber.
How to Open and Dispense a 5 Gallon Pail of Material
Opening and dispensing from a 5 gallon pail properly will result in less wasted material.
Making a One Piece Urethane Block Mold
How to build a mold box, measure, mix, and pour urethane rubber to make a 1-piece block mold.
Casting Smooth-Cast 300 Liquid Plastic Casting Resin Into a Urethane Mold
Preparing a urethane mold for casting, measuring and mixing liquid plastic.
Making A Brush-On Mold Using Brush-On Urethane
Hot to create a brush on urethane mold of an original sculpture.
Using duoMatrix NEO For A Rotational Casting
duoMatrix NEO® is a versatile polymer modified gypsum system that has superior physical and performance properties
Types Of Mold Rubber
Examining the different types of RTV mold rubber available for mold making and casting from Smooth-On.
Moldmaking And Casting Terms
Common terms and definitions in the mold making and casting processes from Smooth-On.
Metal Cold Casting With Smooth-Cast® 325 Resin
The metal cold-casting process is faster and much less expensive compared with foundry casting of molten metal.
How to Make a Silicone Mold of 3D Print
This video demonstrates how to use Mold Star 20T to make a silicone mold of extruded PLA.
Making a Plasti-Paste® Support Shell for a Brush-On Mold
How to make a support shell for a brush on silicone mold using Plasti-Paste trowelable plastic.
How To Mold and Cast Foam Props - Via Tested.com
Via Tested - How to make simple silicone molds to cast and paint foam replicas of props like shop tools
Making a Hollow, Impact Resistant Casting Using Smooth-Cast® 57D
Using the slush method of casting to create a hollow, impact resistant piece.
How To Make a Metallic Finish Using Cast Magic® Powder
How to use Pearly Green Cast Magic® powder on a black ONYX® resin casting to get a beautiful metallic finish.
How To Use The Aluminum Pail Opener
Aluminum pail opener opens and re-seals 1 gallon and 5 gallon plastic pails.
How To Repair a Torn Urethane Rubber Mold
Repairing a torn urethane rubber mold using Ure-Bond® II urethane adhesive.
How To Rotocast a Hollow Part Using Smooth-Cast® 65D
Creating a hollow casting with high impact resistance by rotating a mold while casting.
Recreating an Antique Frame using Mold Max™ 29NV No Vacuum Required Silicone
Learn how to use Mold Max 29NV for creating a high-detail silicone mold
Restoring an Antique Picture Frame Using PoYo Putty
How to use PoYo Putty silicone putty to repair a damaged picture frame