Making Plastic Molds At Home

Remove the plastic container or cardboard and clean the mold of any residue left by the object.

Making plastic molds at home.

You can also buy molds at craft stores but for best results choose a mold that is lined with aluminum. 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. You can find these in stores specializing in casting and mold making supplies.

Purchase a mold making silicone kit. These pellets are then used to feed the machine when making real parts. 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. Then fire the clay mold in an oven to harden it.

Place the two halves together leaving a hole in the top where the plastic will be poured. The book recommends making a test mold that will make two diameter pellets of plastic. Finally after setting the casting resins to the mold cavity release the plastic part from the mold. 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. 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. Step 2 brush or spray a liberal coat of mold release into the mold and allow it to dry. Molding plastic is a fun inexpensive way to create unique pieces or replicas of your favorite items.

Mold star 15 silicone rubber https amzn to 2a3a6en smooth cast 65d https amzn to 2. Most kits will contain two containers labeled part a and part b sometimes you have to purchase them separately. You can also sometimes find these in a well stocked arts and crafts store. The top countries of suppliers are china taiwan china from which the percentage of making plastic molds at home supply is 66 33 respectively.

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. Note that the original item must hav.