Candle molds - Rubber moldsRubber and latex molds are typically used to create a type of candle named novelty candles.
An exhaustive list of every shape that can be obtained with rubber molds does not exist, but here's a short excerpt of what you could make: dinosaurs (see the picture on the right-hand side), witches, pumpkins, smurfs, bouddahs, bears, ducks, cows, pigs, fruits, unicorns, Venus de Milo's, rabbits, Santa's,... in other words: anything!
The main advantage of rubber molds, compared to polycarbonate and metal molds, is the variety of shapes you can obtain and the precision of the details (the triceratops' horns, Santa's nose), the elasticity of the mold allowing to unmold the finished candle without breaking any of its details.
The main disadvantage of rubber molds is that they're made of... rubber! This means they're flexible and won't stay upright once you've poured the wax into it. So you'll have to make a little support for the mold. The base of a rubber mold is typically larger than the rest and is shaped as a "lip". Using the diameter or the shape of this lip as a base, cut a hole in a piece of strong cardboard. The hole will have to be wide enough to let the body of the mold through but narrow enough so that the lip won't go through. You can then place the cardboard (with the mold upside down) on top of any container and you'll have a simple and practical support for THIS rubber mold (the size and shape of the lip will probably be different for every mold).
How to wick a rubber mold?
Rubber molds: precautions and maintenance
Never use solvents to clean this type of mold!
The best and safest way to clean them is to fill it with hot water, wait a few moments then pour the water out in a bucket.
Because these molds can be turned inside out, it's easy to remove any wax residue stuck in the corners.
Before you start unmolding the finished candle, coat the outside of the mold with a little vegetal oil. This will allow the mold to roll on itself easier.
Most rubber molds have a side with less reliefs than the other. Where our triceratops is concerned, you would start with the tail side. If you start with the head, you might break the nose, the horns or the complete head...
When done, clean the mold thoroughly and put it away, protected from dust and sunlight.