3350 W. 48th Pl. Chicago, IL 60632-3000. Phone 773-927-3484, FAX 773-650-5853.
Source for liquid thermosets: silicones, moldmaking urethanes, casting plastics, polyester resins, epoxy.
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All products available in small quantity.

Moldmaking Techniques using Latex Rubber 2 video instructional set



An excellent two-tape instructional video on VHS on the topic of latex mold making. Over three hours long. Cost is $59.95 for two video set. Eager Plastic's data sheet on latex rubber moldmaking can be found here.

TAPE ONE - 1 hour 45 minutes

Safety information
What is Latex Rubber

MAKING A RELIEF MOLD
Preparing the model
Preparing the brush
Applying latex rubber with a brush
Adding color to latex rubber
Drying time between coats of latex rubber
Types of filler
Using filler
Using Plastic Canvas to prevent ripples
Undercuts and how to fill them
Making a plaster back-up mold
Removing the back-up mold

BRUSHED ON GLOVE MOLD

DIPPED GLOVE MOLD FROM A PLASTER MODEL
Wet plaster vs. Dry Plaster
Preparing the model and dipping
Drying the mold
Removing the mold

DIPPED GLOVE MOLD FROM A NON-PLASTER MODEL
How to "Freeze" Latex in Place
Dipping, Fixing and Drying the Mold
Removing the Mold

MOLD WITH A SEAM
Forming the seam
Reinforcing the seam
Filling undercuts
Putting rope in the seam
Preparing the back-up mold
Release system for a urethane backup mold
Reinforcing materials for urethane plastic
First side of back up mold in progress
Adding legs to support the mold while casting
Second side of back up mold in progress
Removing the back up mold
Cutting open the seam
Cutting support legs to size

TAPE 2 - 1 hour 40 minutes
MOLD WITH "WINDOWS"
Filling the windows
Making the seam
Release Agent
Applying Latex
Removing the Clay
Release agent for Rubber against Rubber
Applying Latex for the second side of the mold
Building a clay wall and applying a release agent
Fiberglass Materials
Applying Fiberglass
Support Legs and making a second side of backup
Taking apart the mold
Mold with Windows Completed

MOLD WITH EXTENDED PARTS
Air Vent Demonstration
Building Vents into the mold
Making the second side of the mold
Other ways to make vents
Can thin parts be included in the molds

MOLD FOR A BASKET
Preparing the basket
Starting the mold
Filling the large undercuts
Preparing for the second side
Basket mold completion




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