Vacuum Degassing Silicone Rubber ›

Mold Making Essentials - How to vacuum silicone to eliminate entrapped air and remove bubbles from your finished mold or casting. What mold making essentials do you want to see next? Let us know in the comments! Mix Parts A & B thoroughly as per Technical Bulletin. Place mixing container…

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Resin Casting Tutorial - How To Eliminate Bubbles By Pressure Casting ›

In this Mold Making and Casting Essential tutorial, we demonstrate how using a pressure chamber can eliminate bubbles from resin castings. You can also use the pressure pot to eliminate bubbles in a pour-on rubber mold by placing the uncured mold in the pressure chamber for the full cure time.…

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Resin Casting Tutorial - How To Reduce Bubbles In Your Casting By Vacuum Degassing Resin ›

Here are some basic tips for casting optically clear resin parts. In this tutorial we cast Crystal Clear 202 urethane resin into a Mold Star 15 silicone mold to produce a UV resistant, optically clear casting. We also demonstrate how to properly vacuum de-gas the material before pouring, which will…

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How to Remove Bubbles from Casting Resin - Vacuum Degassing | Mold Making Essential ›

Bubbles can be apparent in a translucent urethane plastic casting. There are a few techniques to reduce or eliminate those bubbles. This video demonstrates vacuum degassing Smooth-Cast 326 to remove entrapped bubbles. Make It Now! with Smooth-On -~-~~-~~~-~~-~- Adult Supervision Required Keep Out Of Reach Of Children -~-~~-~~~-~~-~-…

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Casting Concrete Using Aquacon Release Agent ›

In this video we demonstrate how to use AquaCon® release agent for concrete casting. AquaCon® is a water based concrete release agent that aids in releasing concrete castings from Smooth-On rubber molds and other surfaces such as melamine, metal and non-porous (sealed) wood. It provides a clean, positive release, does…

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Using XTEND-IT Dry Gas Blanket for Urethane Rubber and Casting Resin ›

XTEND-IT® is a dry gas blanket designed to extend the shelf life of moisture sensitive polyurethane products by displacing the air in the container it is sprayed into. Applying the XTEND-IT® dry gas blanket to the unused portion of a liquid polyurethane, before replacing the lid on the container, will…

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How to Easily Remove the Lid from a One Gallon Pail ›

Smooth-On one gallon pails are easy to open once you know the proper technique. Make It Now! with Smooth-On -~-~~-~~~-~~-~- Adult Supervision Required Keep Out Of Reach Of Children -~-~~-~~~-~~-~-…

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How to Mix Free Form Habitat Epoxy Putty and Folding Powder: Moldmaking Essential ›

This video how-to demonstration shows how to properly combine Folding Powder into Free Form Habitat Epoxy. Free Form® Habitat® Epoxy Putty is a mix-by-hand putty that is used to create textured or highly detailed display pieces. Habitat® is solvent-free and contains no VOC's. Working time is 60 minutes and cure…

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How To Add Color And Effects To a 3D Printed Part Using XTC-3D Coating ›

This video demonstrates how to use XTC-3D epoxy coating to smooth and apply color to a 3D printed architectural model. The XTC-3D is easy to measure, mix and apply, and many different color effects can be acieved using UVO colorants and Cast Magic powders. Make It Now! with Smooth-On -~-~~-~~~-~~-~-…

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How to Paint Silicone Rubber for a Matte or Gloss Finish ›

NOVOCS is a silicone solvent with no VOC's available in Gloss or Matte finish. When added to Psycho Paint, fine details can be airbrushed or hand brushed onto cured silicone for a variety of glossy or realistic skin-like matte effects. Make It Now! with Smooth-On -~-~~-~~~-~~-~- Adult Supervision Required Keep…

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How To Pre-Mix Urethane Casting Resin - TASK® 3 | Mold Making Essential ›

Properly pre-mixing a urethane casting resin is important to ensure the material cures properly. Urethane resin which is not properly pre-mix will result in material that: - Will not fully cure - Has surface imperfections and color streaks - Exudes oil-greasy to touch - Has poor physical properties This video…

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Premixing Smooth-On Feather Lite | Mold Making Essential ›

Properly pre-mixing a urethane casting resin is important to ensure the material cures properly. Urethane resin which is not properly pre-mixed will result in material that: - Will not fully cure - Has surface imperfections and color streaks - Exudes oil-greasy to touch - Has poor physical properties This video…

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How to Mix Casting Resin - Double Mix and Pour | Mold Making Essential ›

Incomplete mixing is a major cause of resin not curing properly. Using the double-mix and pour technique helps to alleviate issues with unmixed resin. This mold making tutorial video outlines the proper way to double-mix and pour Smooth-On Feather Lite, a heavily filled urethane resin. Make It Now! with Smooth-On…

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How To Pre-Mix Silicone Mold Rubber - OOMOO 25 | Mold Making Essential ›

Mold Making Essential - Premixing Silicone Mold Rubber Not premixing silicone mold rubber can result in the material not setting up correctly, remaining sticky or tacky to the touch, or having low tear strength and other physical properties. Using a stiff stirring utensil with square edges, mix both Parts A…

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Measuring Urethane Mold Rubber by Weight | Mold Making Essential ›

How to use a gram scale to accurately weigh rubbers, plastics and other materials. Gram scales are available in a wide range of sizes, weight capacities, and prices. Place measuring container on scale. Press the "tare" button to reset scale to zero grams. Simpact 85A mix ratio is 85A:100B by…

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How to Mix Silicone Mold Rubber - Double Mix and Pour Mold Max 14NV | Mold Making Essential ›

Inadequate mixing is the number one reason for silicone rubber not curing. This video demonstrates the double mix and pour technique. Once the material is mixed in a primary mixing container, it is transferred to a second mixing container. This helps to incorporate any unmixed silicone stuck to the sides…

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How to Measure Silicone Rubber by Weight on a Digital Gram Scale ›

How to use a gram scale to accurately weigh rubbers, plastics and other materials. Gram scales are available in a wide range of sizes, weight capacities, and prices. Place measuring container on scale. Press the "tare" button to reset scale to zero grams. Mold Max 20 mix ratio is 100A:10B…

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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. Make It Now! with Smooth-On -~-~~-~~~-~~-~- Adult Supervision Required Keep Out Of Reach Of Children -~-~~-~~~-~~-~-…

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How to Open and Dispense a 5 Gallon Pail of Material | Mold Making Essential ›

Opening and dispensing from a 5 gallon pail properly will result in less wasted material. This video will outline techniques to cleanly and safely dispense from a 5 gallon pail, as well as techniques to extend the shelf life of your material. You can purchase XTend-iT here: Make It Now!…

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