
InstaMorph is a lightweight polyester thermoplastic that can be easily moulded when warm and becomes a strong plastic when cool. It is a versatile product that can be used for crafting, sculpting, DIY, repairs, and cosplay. The plastic can be heated and moulded into any shape, and it is reusable, allowing for endless projects and easy corrections. While InstaMorph can be challenging to cut, trim, sand, and shape, it offers a quick curing time and the ability to cast a part once every ten minutes, making it ideal for mass production.
| Characteristics | Values |
|---|---|
| Material | Lightweight polyester thermoplastic |
| State | Acts like clay when warm, becomes strong plastic when cool |
| Uses | Moulding, sculpting, carving, attaching to other materials, painting, crafting, DIY, cosplay, repairs, etc. |
| Pros | Reusable, easily heated, versatile, quick cooling, indestructible, can be tinted with colour pellets, inexpensive |
| Cons | Hard to cut, trim, sand and shape with a rotary tool, low melting point |
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What You'll Learn

Warming and reshaping
InstaMorph is a lightweight polyester thermoplastic that acts like clay when warm and can be moulded into any shape. When it cools, it becomes a strong plastic. It can be remoulded and reused multiple times, making it ideal for makers, hobbyists, artists, fixers, cosplayers, and anyone who needs a custom piece made out of plastic.
InstaMorph can be warmed to its recommended activation temperature of 150° F (65.5° C) using various heat sources. Hot water is one of the most common methods, where the InstaMorph is submerged in hot water until it becomes mouldable. Other heat sources include an oven, hot air gun, and hair dryer. When using an oven, place the InstaMorph beads on a non-stick surface until they begin to stick together. Hot air guns can be purchased at hardware stores and provide more power than a hair dryer. However, it is important to exercise caution when using a hot air gun as their working temperature can exceed 1,000° F (537° C). A hair dryer, set to the highest setting, is suitable for working on small portions or applying finishing touches.
To achieve sufficient moulding temperatures, a minimum temperature of 140° F (60° C) is required. At this temperature, the InstaMorph beads will start to stick together, indicating that it is ready to be worked with. Increasing the temperature to the range of 160°-170° F (71°-77° C) will provide greater malleability and working time. However, it is important to note that higher temperatures may not enhance the product's performance and could increase the risk of scalding.
InstaMorph has a low melting point of 150° F (65.5° C), which can affect certain shaping techniques. For example, when using a sanding drum, the plastic may melt into the grit, rendering it unusable. Similarly, friction heat generated by machining, grinding, or sanding can cause the InstaMorph to heat up, leading to issues with tooling or gumming up sandpaper. When performing tasks that create friction heat, it is crucial to work lightly and slowly to avoid unintended melting.
InstaMorph is susceptible to UV light, similar to most plastics. Prolonged exposure to sunlight can cause it to fade and become brittle, impacting its ability to reheat and reshape easily. Therefore, when creating items specifically for outdoor use, it is important to consider the potential effects of UV light on the InstaMorph.
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Removing with ice water
InstaMorph is a lightweight thermoplastic that acts like clay when warm and can be moulded into various shapes. When it cools, it becomes a strong plastic. To detach InstaMorph mouldable plastic, you can use ice water.
Preparing the InstaMorph plastic:
First, place a pan of water on medium to high heat on a stove. Bring the water to a boil. Lower a spoonful of InstaMorph pellets into the boiling water. Wait until they become transparent and pliable. Work the plastic pellets into one solid piece.
Moulding the plastic:
Once the plastic is pliable, you can mould it into the desired shape using your hands or tools. You can also press it around an object to create a mould or push it into a mould to create a replica.
Cooling the plastic:
After shaping the plastic, remove it from the mould or object and immediately place it into a cup of ice water. This will quickly cool down the plastic and cause it to harden.
Finalizing the process:
Leave the plastic in the ice water until it is adequately cooled. You will know when the InstaMorph is ready as it will turn white in colour. Take the plastic out of the ice water, and your desired shape will be complete.
Using ice water to detach InstaMorph mouldable plastic is a quick and effective method. It allows you to create a variety of shapes and objects, making it a versatile crafting technique.
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Using a coarse burr
InstaMorph moldable plastic is a lightweight thermoplastic that acts like clay when warm, but when it cools, it becomes a strong plastic. It can be remoulded by simply reheating it. To use InstaMorph, heat the thermoplastic in hot water (150°F), in an oven, or with a heat gun. Once it has been heated, you can mould it with your hands, tools, or shape it around an object.
When it comes to detaching InstaMorph from a mould, there are a few techniques you can use. One approach is to use a coarse burr. Here are some detailed steps and tips for using a coarse burr to detach InstaMorph:
- Choose the right coarse burr for the job. The burr should be able to remove material effectively without causing excessive damage to the InstaMorph or the mould.
- Set the speed of your tool to the lowest setting. Running the burr at a low speed will help prevent melting and minimize the risk of damaging the InstaMorph or the mould.
- Work in short intervals. Due to the low melting point of InstaMorph, it is best to work in short bursts of 2-3 seconds at a time. Stop frequently to allow the material to cool and prevent melting.
- Keep a bowl of ice water nearby. Having a bowl of ice water close at hand will enable you to quickly dip the InstaMorph or your tool in it to facilitate rapid cooling when needed.
- Be cautious of melting. The coarse burr can generate heat, which may cause the InstaMorph to melt. Pay close attention to the temperature and stop frequently to check for any signs of melting.
- Use light pressure. Apply gentle pressure when using the coarse burr to avoid applying too much heat or force, which could damage the InstaMorph or the mould.
- Test on a small area first. Before proceeding with the full detachment, test the coarse burr on a small section of the InstaMorph to ensure that it is effective and does not cause any unwanted effects.
By following these steps and tips, you can successfully use a coarse burr to detach InstaMorph moldable plastic from a mould. Remember to work slowly, keep the material cool, and be cautious of the heat generated by the burr to achieve the best results.
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$29.99

Tinting with colour pellets
InstaMorph is a lightweight polyester thermoplastic that can be shaped when warm and hardens when cool. It is a versatile material that can be used for various projects, from arts and crafts to home repairs.
InstaMorph can be tinted using colour pellets, which are an easy and clean way to add colour to your InstaMorph projects. The InstaMorph Pigment Pack contains four primary colours: red, yellow, blue, and black. With just one or two pellets, you can colour an entire tablespoon of InstaMorph. These pellets are designed to work specifically with InstaMorph, and the dye is released only when mixed with the warm plastic, making it a mess-free process.
To begin tinting, heat some water to approximately 150 degrees Fahrenheit. You can use a stove top or a microwave oven for this step. Place the InstaMorph pellets into the hot water, and add your desired number of pigment pellets. For non-primary colours, you can experiment with mixing and matching different pellets. Allow the pellets to sit in the hot water for about two minutes or until the white InstaMorph pellets turn clear and stick together.
Remove the pellets from the water using tongs or a similar tool, being careful as they will still be hot. At this point, you can begin kneading the colour into the InstaMorph. It is recommended to flatten the plastic and use your fingers to break the colour pellets before kneading them together. This method helps achieve a more uniform colour distribution.
You can also cut the pellets into smaller pieces to have finer control over the final colour. For instance, to create a nice shade of green, you can mix two yellow pellets with one blue pellet. If you want an orange shade, try combining two yellow pellets with one red pellet.
By following these steps and experimenting with different pellet combinations, you can create a rainbow of colours for your InstaMorph projects.
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Reheating to remould
InstaMorph is a lightweight polyester thermoplastic with a low melting point of 150°C or 300°F. It can be reheated and remoulded multiple times, making it highly customisable.
If you are reheating a large amount of InstaMorph, it is recommended to use an oven. The recommended water temperature for moulding InstaMorph is 60°C / 140°F, but this is too low for a conventional oven. A low setting is best, but the "keep warm" setting on a gas oven is too cool. Suggested values for your oven are Gas Mark 2, 150°C or 300°F. Place the InstaMorph on a non-stick baking tray and put it in the preheated oven. After 10 minutes, take it out and use a metal spoon or pallet knife to flatten the transparent outsides of the ball. Continue heating and flattening until you have a thin, flat sheet. Be careful, as the InstaMorph and the tray will be very hot.
If you are reheating a small amount of InstaMorph, you can use hot water. Pour the pellets into hot water (60°C / 140°F) to melt. You can also use a heat gun, but this can be dangerous as the gun and everything it touches will get very hot. It may also scorch, bubble, and become brittle.
Once the InstaMorph is reheated, you can remould it. It becomes clear when it is ready to be moulded. InstaMorph can be sculpted with your hands or tools, pressed around an object to make a mould, or pushed into a mould to create a replica.
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Frequently asked questions
InstaMorph is designed to be easily detachable from molds. After it cools, the cast pops out of the mold with no sticking. If you need to detach it from an object, simply reheat it and it will become moldable again.
InstaMorph takes about 30 minutes to cool and harden.
You can reheat InstaMorph in hot water (150°F), in the oven, or using a heat gun.








































