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.
Making plastic molds at home.
Note that the original item must hav.
I made an epoxy mold of an existing plastic item.
Molding plastic is a fun inexpensive way to create unique pieces or replicas of your favorite items.
Purchase a mold making silicone kit.
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.
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.
Cast your mold with.
Most kits will contain two containers labeled part a and part b sometimes you have to purchase them separately.
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.
These pellets are then used to feed the machine when making real parts.
Do not mix the silicone yet.
You can find these in stores specializing in casting and mold making supplies.
Here s how i make molds and plastic resin duplicates.
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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.
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.
You may purchase a mold or create your own custom molds out of reusable molding materials silicone and or plaster.
Home plastic injection molding with an epoxy mold.
You can also sometimes find these in a well stocked arts and crafts store.
Then fire the clay mold in an oven to harden it.
Remove the plastic container or cardboard and clean the mold of any residue left by the object.