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Not limited to, polyester, epoxy casting, wax candle creation and baking.
My Mold credentials:
A shape that will incorporate straight tight corners.
Will require no mold release
Will enable a cast to have high optical quality (no polishing)
Has longevity and ease for maintenance.
Quick removal of cast
And, a real dimensional shape with proper proportions.
Because of my strict Quality assurance specs this mold will be sold as is for a cheaper rate.
There is a scratch at the top.
I used a fast setting urethane resin as it produces bubbles that are not part of the mold.
See the top portion of the pyramid cast as you will see the gouge. I circled it in red.
What are the benefits of using this silicone mold?
~ Hot and cold uses: The versatility of silicone allows you to use them for both cold environments and for heat curing. This includes extremely high casting temps and then moving to freezer. These can also be used for baking if a suitable housing is made.
~ Faster: The final cast will de-mold in seconds, saving you time and energy.
~ Non stick: Silicone molds are great advantage using to cast polyester, epoxy, urethane and foods. They do not stick, making un-molding virtually effortless.
~ Easy clean: Molds can be easily wiped-clean. Or slosh cleaned. Saving time scrubbing caked on hardened plastics.
~ Durable: Silicone molds are durable, able to withstand more than 500 uses in casting. (This is a prorated estimated number for the platinum mold.)
Heat resistant. Heat-resistance is to 500°F (258°C).
~ Food approved: This utilizes a Platinum cure silicone that is permissible in commercial and industrial food applications. (Please note the housing is not heat resistant.)
~ Oven safe: If using to bake, Silicone molds can be used in both conventional and microwave ovens.
~ Freezer safe: Freeze contents in the molds. With out damage to mold.
~ Shock proof: They can go from extreme heat and cold, including being dropped.
This silicone mold is a platinum cure with a hardness of 40. Smooth-on's Smooth-Sil® 940 is used. It is a food grade Silicone and one could bake in it.
This Silicone is regulated for use with food under US Food & Drug Administration Title 21 Part 177 Section 2600 (Cite: 21CFR177.2600). The regulation establishes the safety of silicones under ASTM Standard D1418-81, which regulates the manufacture of silicones.
::Please note:: The carrier is made from medium density fiberboard that is held together with hot glue. If you do choose to experiment with cooking you will need to find (build) a suitable holding structure for oven use. Perhaps constructing something out of plaster of Paris.
This mold should last a long time. As a platinum silicone is rated for many de-molds.
What to expect:
The mold was produced using a custom cast master, highly polished, free from bubbles,
deep scratches and voids. All corners have tight edges and bottom sides are square, the top has a pointy tip.
The extracted cast will have a dimension of 6.25” wide and 4.125” tall at the largest.
This mold is a one of a kind. No place is there a silicone pyramid over 4” wide at the base that is available for purchase. This pyramid is modeled after the Great Pyramid of Giza to a 2000:1 ratio. Total weight is 3 lbs with carrier
The mold is a 40 hardness scale but please note embedments close to the edge will bump out of line. Basically the mold will give a little and the surface will appear bumpy but polished. This is what happens when working with silicone.
The competed cast will pop out of the mold easily and effortlessly. It will give you a total polish, no sanding or polishing is required out of this mold.
If you have further questions please send me a message. Thanks