Plastic Molds | McMaster-Carr

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208 Products

Fabricating and Machining

Casting Compounds

Mix and pour into molds to capture intricate detail when casting parts, linings, and prototypes

15 products

Prototyping Foam

Carve, mill, or sand into lightweight parts for testing

27 products

3D Printers

Build quick and inexpensive prototypes as well as custom and complex parts

6 products

3D Printer Filaments

Run through filament 3D printers to form plastic parts

133 products

Parts Washers

Pump solution through a spigot or hose to clean parts in the basin

1 product

Building and Machinery Hardware

Hand Grips

Cover handles so they're more comfortable and secure to hold

1 product

Facility and Grounds Maintenance

Ice Cube Trays

Make ice cubes in your freezer

1 product

Molding Machine Cleaners

Purge colors, resins, and carbon build-up from molding machines to avoid downtime and waste

3 products

Disinfecting Lights

Kill bacteria, viruses, and other microbes on surfaces that liquid cleaners could damage

3 products

Lubricating

Mold-Release Lubricants

Apply to molds before casting parts to prevent sticking, stretching, and tearing

4 products