Making Plastic Molds At Home

Home plastic injection molding with an epoxy mold.

Making plastic molds at home.

Finally after setting the casting resins to the mold cavity release the plastic part from the mold. Purchase a mold making silicone kit. Note that the original item must hav. Do not mix the silicone yet.

Mold star 15 silicone rubber https amzn to 2a3a6en smooth cast 65d https amzn to 2. Remove the plastic container or cardboard and clean the mold of any residue left by the object. Molding plastic is a fun inexpensive way to create unique pieces or replicas of your favorite items. I made an epoxy mold of an existing plastic item.

You can also buy molds at craft stores but for best results choose a mold that is lined with aluminum. The top countries of suppliers are china taiwan china from which the percentage of making plastic molds at home supply is 66 33 respectively. To try it out i cut some wide strips of polyethylene from an old plastic tote lid set the controller to 380 f and fed the plastic strips into the cylinder. Cast your mold with.

You may purchase a mold or create your own custom molds out of reusable molding materials silicone and or plaster. I was looking to make my own molds and found an non conventional way to get what i want without having to wait for 2 4 weeks to get it in the mail. You can also sometimes find these in a well stocked arts and crafts store. The book recommends making a test mold that will make two diameter pellets of plastic.

Step 2 brush or spray a liberal coat of mold release into the mold and allow it to dry. Here s how i make molds and plastic resin duplicates. Then i was able to make copies of that item using a home plastic injection molding machine this process should work for many different types of items or models. Then fire the clay mold in an oven to harden it.

While molding plastic parts at home you should give a paint coat to the master part in case it has porous surface or else your mold surface won t be smooth. These pellets are then used to feed the machine when making real parts. You can find these in stores specializing in casting and mold making supplies.