Making Plastic Molds At Home

Most kits will contain two containers labeled part a and part b sometimes you have to purchase them separately.

Making plastic molds at home.

Then fire the clay mold in an oven to harden it. Do not mix the silicone yet. Remove the plastic container or cardboard and clean the mold of any residue left by the object. You can also sometimes find these in a well stocked arts and crafts store.

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. To make your own molds try forming clay around one half of an object then the other half. You can also buy molds at craft stores but for best results choose a mold that is lined with aluminum.

Mold star 15 silicone rubber https amzn to 2a3a6en smooth cast 65d https amzn to 2. Place the two halves together leaving a hole in the top where the plastic will be poured. Step 2 brush or spray a liberal coat of mold release into the mold and allow it to dry. 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.

The book recommends making a test mold that will make two diameter pellets of plastic. 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. Note that the original item must hav. Here s how i make molds and plastic resin duplicates.

Home plastic injection molding with an epoxy mold. Purchase a mold making silicone kit. The top countries of suppliers are china taiwan china from which the percentage of making plastic molds at home supply is 66 33 respectively. Finally after setting the casting resins to the mold cavity release the plastic part from the mold.

Cast your mold with. I made an epoxy mold of an existing plastic item. You may purchase a mold or create your own custom molds out of reusable molding materials silicone and or plaster.