There are very many options for making a mold, but the end result will be the same – a negative impression of the model which captures all the fine external details. Find out more about the making of a mold.

Mold making is an art that can seem inherently easy to some and intensely complex to others. The variability can spring from the choice of materials and methods or depend on the personal deftness of the artist. Indeed, there is a varied choice of materials for making a mold, like clay, wax, polyurethane rubber, latex rubber, silicone rubber, thermoset mold rubber and more. The techniques can also range from pouring and brushing to glove molds, injection molds and more.

Following are some general pointers on mold making:

• Poured block molds are considered the easiest of the lot. Brush molds are faster to produce and can be made by thickening liquid rubber to a brushable consistency.
• Many molds require a shell or mother mold that will provide support to the mold and enable it to retain its shape till the casting has cured.
• When choosing a mold making material, always keep in mind that it should preferably be different from the casting material. Especially when working with silicone rubber, never use it for making both the mold and cast as the rubber tends to stick to itself!
• Porous models should be sealed before making the mold to prevent the material from seeping inside and damaging the original. The corners and seams of the mold box, mold shell, etc. also have to be sealed to prevent the mold making material from leaking.
• Applying an appropriate release agent in both the mold making and casting process goes without saying.
• Pay attention to the temperature of both the materials being used and the surroundings. Too hot or cold temperatures can not only affect the cure time but also the quality of the mold/cast. Fluctuating temperature can cause air bubbles and dimensional changes. Maintaining normal room temperature is considered ideal.
• Shake the material properly before use and pay attention to the mixing ratios. Mix them properly as this can impact the curing later. Some materials may need to be de-aired to prevent air bubbles.
• Keep the pot time, work time, cure time, etc. in view while mixing and working with the mold making materials.
• It is always better to test a new material before making a full mold or cast. Similarly, beginners are advised to start with small molds and casts before attempting big scale ones. Mistakes can prove to be both costly and time-consuming.
• Make it a point to read the product information sheet and follow the safety precautions to the letter.

All the required mold making materials, supplies, tools and equipment can be easily sourced from EnvironMolds. This is a one-stop-shop for all kinds of art supplies for making molds, casts and life casts. The products are of top quality and prices are reasonable. Helpful advice, tips and guidance will also be provided on request.

Enjoy the mold making!