The 9 Best Heat shaping plastics (2023 reviews)

The latest polly plastics heat shaping plastic is an absolute beast in terms of its features, and rightfully takes the top spot with ease. The moldable plastic pellets work exceptionally well. It is easy to use, makes lots of products. You can use it to mend broken parts and pieces, fabricate missing game pieces, repair objects, fill gaps, cover exposed wires or even make a nut for your bolt. It removes very easily, and the packaging states it is non-toxic.

It is perfect for making plastic parts without injection molds or 2-part epoxy systems. They are very easy to heat up, they cool down rock hard, and can be re-heated to continue working with.

Why We Like This:

Super easy to use after you play around with for a bit
Moldable plastic in pellet form is super fun medium to play with
Great for costume eyes and teeth

Best For making custom finger splints: Polly plastics Moldable Plastic

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Next on the list, we've got yet another plastic that manages to win our hearts. It's the polly plastics moldable plastic and it's widely considered as one of the best convenient plastic you can buy. Polycaprolactone (this product) has been added to polyurethanes as a strengthening agent, and polyurethanes are flexible. It is easy to use with microwaved or boiling water. It is great for crafts, art projects, home repair, model making, toys, cosplay costumes/masks and prototyping. It is very easy to work with, turns from white to clear in hot water and then becomes pliable.

This material is made out of is so safe that can be used as medical implants inside the body. It takes a lot of hot water but a blow dryer works just as well for finishing touches. They are easy to use but do have a learning curve.

Why We Like This:

Great option for temporary dental needs
Moldable plastic in pellet form is super fun medium to play with
Super versatile and durable plastic for any use

Best For Some projects: Instamorph STRONG Plastic

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If you often find yourself scrambling for appropriate and satisfactory plastic, instamorph strong plastic should be your first option for buying. It is perfect if you want to create a custom holder for a large, odd-shaped crystal. It turns into a clear lump that is moldable. It can be used in a pinch to build simple structural shapes. It's great for making false teeth, props, hair accessories, goggles, and much more. It comes in white pellets that you pour into hot water and then leave it for 2 minutes. It makes a great quick fix for things, and it's light.

It is great for repairs, makeshift adapters, replicating parts, or making brand new parts. It sort of drips when you are molding if it's not super contained, like in a bowl or something.

Why We Like This:

Super awesome for prototyping and home projects
Great for cosplay and prop making
Can be used to make plastic replacement parts or fix odds and ends

Best For small Repairs: Jxe Jxo Heat shaping Plastic

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Jxe Jxo has been making great plastic for years, thanks to a combination of clever design and appropriate materials. Formable plastic perfect for repair projects around the home, it can be molded into any shape, once dry and hardened it can be cut with scissors, you can also drill it, carve it, thread it and paint it too. These tiny beads can be put in a mug or small glass added with water just a bit over the top of them, and microwave. It is super easy to mold, can be used for any type of item you want to mold.

It is an lightweight, polyester thermoplastic plastic pellet that becomes moldable when warm (150 deg f) and solidifies at room temperature. It is suitable for schools, home and other places to make a variety of props and crafts, as long as you can think of it. It is extremely easy to use, simply mould with warm water and leave to solidify at room temperature.

Why We Like This:

Useful for crafts and some small repairs
Moldable thermoplastic beads, is simply a fascinating product
Material turns clear in hot water

Best For So many crafts: Whitemorph Heat shaping Plastic

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Best part: whitemorph heat shaping plastic costs comparatively low and it is available to ship in 24 hours. This kit contains 100 g ( 3.5 oz ) of whitemorph polymorph plastic in a secure, handy resealable pouch. It is used for crafting, molding, casting, repair, quick fixes, sculpting, modeling, and customization among many others. It will begin to cool and harden very fast. It is very solid. The material should be soft, flexible and easy to shape. It is ideal for repairs, crafts, modelling, sculpting, molds, cosplay, modeling and diy.

Why We Like This:

Melts quickly and doesn’t take long to harden again
Turns into a putty-like consistency so you can shape it to whatever you want
Amazing & plenty for a long time

Best For temporary retainer: Instamorph Heat shaping Plastic

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The instamorph heat shaping plastic is suitable and reliable and fits well with your daily purpose. It really works for making fake teeth. It can be painted, machined, carved or attached to other materials. It looks natural as long as you mold it correctly. It hardens pretty quick (which can be a pain when you're trying to get something just right) but you can always just drop them back into the hot water and it softens again.

It is great for making temporary teeth. They don't have to apply for jobs, talk to girls, communicate with virtually anyone without coming off as being a drug user or poor af. There is no way to take the tomato stain out. This is perfect for someone that cannot get to the dentist.

Why We Like This:

Fun to melt and remold again
Strong and sturdy once it sets
Made everything look really sleek and professional
Easy to use and fast drying

Best For cosplay props: Betionol Heat shaping Plastic

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The betionol heat shaping plastic's high-end materials makes sure that it ages well with use. Betionol moldable plastic can be made into what you want to create. It’s easy to use, requiring you to heat these pellets up in hot water, making them soft and pliable. It will turn an opaque white color when it's fully cooled. It’s also non-toxic so aside from industrial applications, it's also fun for ages and it can be used over and over again.

This is super easy to use and it’s great for beginners or people who like to design custom materials. The plastic is reasonably strong, and reminiscent of working with pla or abs. This is really fun to use as a substitute for any material that you want to use to make a mold from.

Why We Like This:

Clear and pliable under warm water
Amazing stuff, can be used to make flat molds for resin
Fun modeling compound to create what you need
Thicker parts can be (carefully) carved or drilled

Best PREMIUM: Sintron Heat shaping Plastic

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Sintron heat shaping plastic is the epitome of what a great plastic should be. The material really depends on you, but it’s definitely a fun and unique new art and craft material that has a broad and versatile range. It can be shaped as clay and hardens to a hard non bendable plastic once cooled. This is a bag of polymer pellets for crafting or repairs. It melts nicely in a bowl of hot water. The polymer is also useful for home repairs, for mending any plastic items that happen to break or crack.

This allows it to be a great tool for training if you're a modeler who doesn't want to waste clay practicing. It can be used to repair items, and it becomes very durable after cooling.

Why We Like This:

Use for everything from art projects to jewelry making to household repairs
Very easy to use and can be used for tons of things
New and hot release

Best durability: Materialix Heat shaping Plastic

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Materialix makes beautiful and great plastic with classic and smartly choosen materials. It is a nylon-like plastic that can be softened in 140°f and shaped by hand. Once you heat it up it's very flexible and moldable into whatever item you're looking to craft. It will melt like wax additionally it is great for dental fixes. It will stick to everything except glass. It is cooled enough to hold shape pretty quickly and hardened completely to rock solid within about. It comes in little white beads that you add to hot water to soften. It doesn't have strong adhesive properties but it does hold shape really well.

Why We Like This:

Amazing stuff for crafts & costumes
Hardens up, very sturdy and paint adheres to it
Versatile material better than bubble gum to repair anything
Softer in soft state than instamorph

The 9 Best Heat shaping plastics (2023 reviews)

Our Top Picks:

Best Overall: Polly plastics Heat shaping Plastic

Best For making custom finger splints: Polly plastics Moldable Plastic

Best For Some projects: Instamorph STRONG Plastic

Best For small Repairs: Jxe Jxo Heat shaping Plastic

Best For So many crafts: Whitemorph Heat shaping Plastic

Best For temporary retainer: Instamorph Heat shaping Plastic

Best For cosplay props: Betionol Heat shaping Plastic

Best PREMIUM: Sintron Heat shaping Plastic

Best durability: Materialix Heat shaping Plastic

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