Molding Compounds

Molding Compounds

Castaldo Mold Rubber
"The finest jewellery molding rubber", molds are exceptionally long-lasting and have minimal shrinkage.


Firm version - White Label - is for firm molds and is ideal for flat pieces.
Soft version - Gold Label - is for more intricate molds.
No-Shrink Pink -  0% Shrinkage.



Product Image Item Name- Price
Akron Jewelry Rubber Firm Strip

Akron Jewelry Rubber Firm Strip

Akron Jewelry Rubber Firm Strip Engineered in Akron, Ohio USA- the polymer capital of the world. Our mold rubbers deliver controlled shrinkage,...
$79.95

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Akron Jewelry Rubber Flex Strip

Akron Jewelry Rubber Flex Strip

Akron Jewelry Rubber Flex Strip Engineered in Akron, Ohio USA- the polymer capital of the world. Our mold rubbers deliver controlled shrinkage,...
$79.95

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Akron Jewelry Rubber Low-Shrink Grey Strip

Akron Jewelry Rubber Low-Shrink Grey Strip

Akron Jewelry Rubber Low-Shrink Grey Strip Engineered in Akron, Ohio USA- the polymer capital of the world. Our mold rubbers deliver controlled...
$79.95

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Akron Jewelry Rubber Firm Pre-Cut

Akron Jewelry Rubber Firm Pre-Cut

Akron Jewelry Rubber Firm Pre-Cut Engineered in Akron, Ohio USA- the polymer capital of the world. Our mold rubbers deliver controlled shrinkage,...
$89.95

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Akron Jewelry Rubber Flex Pre-Cut

Akron Jewelry Rubber Flex Pre-Cut

Akron Jewelry Rubber Flex Pre-Cut Engineered in Akron, Ohio USA- the polymer capital of the world. Our mold rubbers deliver controlled shrinkage,...
$89.95

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Akron Jewelry Rubber Low-Shrink Grey Pre-Cut

Akron Jewelry Rubber Low-Shrink Grey Pre-Cut

Akron Jewelry Rubber Low-Shrink Grey Pre-Cut Engineered in Akron, Ohio USA- the polymer capital of the world. Our mold rubbers deliver controlled...
$89.95

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Castaldo White Label Mold Rubber 5 lb Roll

Castaldo White Label Mold Rubber 5 lb Roll

Castaldo White Label molding rubber in 5 lb. roll. White Label is for firm molds and is ideal for flat pieces. Tube packaging keeps rubber fresh.
$84.95

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Castaldo Gold Label Mold Rubber 5 lb Roll

Castaldo Gold Label Mold Rubber 5 lb Roll

Castaldo Gold Label molding rubber in 5 lb. roll. Gold Label is soft for more intricate molds. 5 lb. tube packaging keeps rubber fresh.
$89.95

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Castaldo Econosil Mold Strips - 5 lb. box

Castaldo Econosil Mold Strips - 5 lb. box

Economical Silicone Jewellery Molding Rubber produces wax models with high shine and finish, minimal shrinkage. Low temperature metals such as pewter...
$99.95

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Castaldo Silicone Mold Strips - 5 lb. box

Castaldo Silicone Mold Strips - 5 lb. box

Silicone has the consistency of modeling clay or putty, which means there is no need to cut and shape the pieces, just pack the silicone into your...
$97.95

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Castaldo VLT Silicone Molding Rubber

Castaldo VLT Silicone Molding Rubber

Castaldo VLT Silicone Rubber. Very Low Temperature!    As low as 71°C -160°F  Rapid Molds from Rapid Prototypes! Computer to...
$159.95

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Castaldo Liqua-Cast Liquid Molding Compound Kit

Castaldo Liqua-Cast Liquid Molding Compound Kit

0% shrinkage RTV liquid rubber. Cures at room temperature. Choose 1 lb. kit or 10 lb. kit.
$105.95

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LiquaFast ICE RTV

LiquaFast ICE RTV

LiquaFast ICE RTV. • Rapid Molds from Rapid Prototypes. • Finished Molds in as Little as 30 Minutes. • Ideal for all CAD-CAM, RP, SLA WAX and...
$139.95

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Castaldo LiquaGlass See-Through RTV Mold

Castaldo LiquaGlass See-Through RTV Mold

• 0% Shrinkage RTV. • Not an expensive hard-to-mix silicone rubber! • Not an amateur “bake in the oven” material! • Makes strong,...
$139.95

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Castaldo Quick-Sil Jewellery Molding Rubber

Castaldo Quick-Sil Jewellery Molding Rubber

Castaldo Quick-Sil˚ is a revolutionary new 0% shrinkage jewelry molding rubber material that makes tough, long-lasting production molds with a...
$169.95

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Castaldo Mold Release Spray

Castaldo Mold Release Spray

Safe for rubber molds. Non-Flammable. No CFCs, No VOCs. Non-explosive. Save time, eliminate broken patterns and improve the model with this easy to...
$25.95

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Sprue Former

Sprue Former

Sprue Former. Attaches to the model in the mold frame to form the opening in the mold through which the wax is injected. Ensures a proper fit on the...
$3.95

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Mold Lock Formers - 1dz

Mold Lock Formers - 1dz

Castaldo Mold Lock Formers are a convenient way to make mold registration locks without cutting. They are designed for making molds using the fast,...
$2.95

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Castaldo Mold Separation Cream

Castaldo Mold Separation Cream

Castaldo Mold Separation Cream. Castaldo Mold Cream makes powder separation molds even easier! It is a lotion, not a messy powder. It is more...
$19.95

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Glass Mold Frames for See-Through Compound

Glass Mold Frames for See-Through Compound

Glass Mold Frames for See-Through Compound. Mold frame consists of U-shaped frame, two pieces of sheet glass and two clamps. Choose from six sizes.
$38.95

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