RD-407 Mask Making and Casting Latex

This casting latex is the best mask latex that money can buy. This is RD-407 Mask Making Latex, the mask latex that industry professionals have used for years and years.

In stock
RD-407 Group
Grouped product items
Product Name Qty
RD-407 Latex 1-pint
RD-407 Latex 1-Gal
RD-407 Latex 5-Gal

 RD-407 Mask Making Latex

RD-407 Mask Making Latex 3

Above: Anthony Giordano, assistant Prop Master for 'Saturday Night Live,'  begins the process of creating a latex mask. Anthony starts with an original clay sculpture. When complete, he will make a two-part plaster mold using CastRite. Once the mold is finished and cleaned of clay he will pour in ArtMolds' RD-407 Masking Making latex. The latex is allowed to sit for approximately an hour, then poured back out again.  What remains clinging to the sides of the plaster negative will dry over the next day and be peeled out to become the actual mask.  It is the trimmed, sanded, painted and finished.

RD-407 Mask Making Latex is THE liquid rubber used to make high quality masks, body parts and as a skin over polyurethane foams. RD-407 Mask Making Latex is the industry standard as it is the highest quality of latex available. RD-407 Mask Making Latex has a very good consistency, but may be thinned with water if needed, and it builds up a good thickness. 

How to Use RD-407 Mask Makig Latex

The latex is usually used in a plaster mold because of the porous nature of plaster. When latex is poured into plaster, the plaster sucks the water out of the latex skin.Pouring RD-407 latex into a CastRite mold
Above. RD-407 Maslk Making Latex is poured into a plaster mold of a mask. The mold is filled to the top. It is allowed to stand for about 45-minutes and then the 407 is poured back into its receptacle. The mold is tilted upside to drain. It is allowed to dry overnight before it is demolded.which in turn sets the latex leaving a thin skin. Silicone and urethane molds can be used, but the results can be inferior as they do not have the same curing properties.

Making a latex mold is a simple process just pour in the RD-407 Mask Making latex and let it stand for about 15-minutes or so. Then pour it out. Often you may achieve better results by slush casting or rolling the latex around in the mold before you pour the excess out.

Latex can be tinted in advance by adding acrylic based paints. When tinting latex note that colors tend to dry darker then they initially appear.
Painting Latex Latex can not be painting with great success unless properly prepared. That is because it stretches causing paint to crack and chip. Please click on this link: Latex Painting Instructions for successful painting.

Latex Pumpkin Head Mask
The latex surface can be painted after the mask has set, using common latex based paints.

RD-407 Mask Making Latex Tips:

Thinning:You may thin latex by adding water (use distilled water)
Ammonia: RD-407 Mask Making Latex contains ammonia which can evaporate. Smell the latex, and if the ammonia smell has gone or diminished, add up to 26% Aqua Ammonia (from a chemical supply store). Don't use the ammonia at grocery stores as it is only 2-3% and contains soap. Add a little at a time . . . just enough to bring it back to normal.
Shipping: Latex is destroyed when it freezes. That means it requires special handling in winter weather. It must be shipped 1- or 2-day service.
SDS & Information
SDS SHEET SDS RD-407 Casting Latex-Rev3 .pdf
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Mold Making, Casting Products and Kits: If an ArtMolds branded product purchased from artmolds.com proves to be defective in normal use within six months of its purchase or damaged during shipping, we will refund your purchase price or replace the item. Please note that most mold making and casting product such as polyurethanes, silicones and silicone paint medium have a six month shelf life. This warranty excludes damage to liquid latex products if frozen during transit (other than shipping overnight) or as a result of storage in freezing temperature environments.

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