Do you need a strong, durable material for your next project? Are you trying to decide between PEEK and acrylic (PMMA)? Don't worry—we've got the info you need to make an informed decision.

We'll go over cost comparison, durability, versatility, transparency, machinability, flame retardancy, applications, and environmental considerations so that you can choose the best solution for your needs.

With this information in hand, you'll be able to get started on your project with confidence!

Overview of PEEK and Acrylic (PMMA)

Overview of PEEK and Acrylic (PMMA)

When making a choice between two materials, it's important to understand their key characteristics and advantages so you can decide which is best for your needs.

PEEK (Polyether ether ketone) is known for its excellent mechanical properties, chemical resistance, heat resistance, low water absorption, as well as its abrasion and wear-resistance.

Acrylic (PMMA) offers great optical clarity, transparency, weatherability, UV stability and low moisture absorption.

Both materials have exceptional thermal stability with excellent dielectric strength - they even remain stable when exposed to extreme temperatures or harsh chemicals.

So whether you're looking for superior mechanical properties or clear optical qualities in a material – deciding between PEEK or Acrylic will depend on your specific needs.

Cost Comparison

Astonishingly, the cost of PEEK and Acrylic (PMMA) can be drastically different - enough to blow your budget out of the water! Depending on the application, one may be more expensive than the other. Here are a few reasons why this can be so:

  • PEEK is significantly more expensive than PMMA due to its superior strength and heat resistance.
  • PMMA tends to require specialized equipment for fabrication, which can add to the overall cost.
  • If you need a high-impact material, PEEK may be a better choice because it's more resistant to impacts than PMMA.
  • In addition, if you're looking for an abrasion-resistant material, then PEEK may also be a better option as it offers greater abrasion resistance than PMMA.

When making your decision between these two materials, think about what type of performance you need from them and factor in their costs accordingly. Your decision should ultimately come down to whether or not you want something that offers superior strength and heat resistance at a higher price point or something with lower cost but lesser performance capabilities.


You need something that won't let you down over time, so consider how durable each material is before making your choice. Acrylic, or PMMA as it's sometimes referred to, is incredibly strong and resistant to scratches and impacts while also being lightweight. It stays clear for long periods of time without yellowing, however extreme temperatures can cause it to crack or become brittle.

PEEK, on the other hand, is an extremely tough thermoplastic polymer which can withstand high temperatures and chemical exposure without breaking down. While more expensive than acrylic, this material offers superior durability and is perfect for applications where longevity matters most.

So, if you're looking for a window that will last a lifetime with minimal maintenance required, PEEK may be the right choice for you.


Incredibly, both materials boast remarkable versatility, making them suitable for a variety of projects and applications. From furniture and décor to automotive parts and medical equipment, acrylic (PMMA) and PEEK offer excellent performance in a wide range of settings:

  • PEEK is incredibly resistant to heat, so it can be used in high temperature applications like exhaust components or under-the-hood car parts.
  • Acrylic (PMMA) is an ideal material for signage, displays, lighting fixtures, aquariums – you name it! It offers exceptional clarity and won't yellow over time.
  • Both materials are lightweight yet strong enough for use in medical implants or devices that require superior strength-to-weight ratios.
  • PEEK and acrylic (PMMA) are easy to machine with CNC routers or 3D printers, so you're able to create complex shapes without compromising on quality.

With such impressive versatility, you'll be hard-pressed to find another material that outshines these two when it comes to your project needs!


You'll be amazed at the clarity of both materials - PEEK and acrylic (PMMA) offer superior transparency that's ideal for a range of applications.

PEEK is a semi-transparent plastic, allowing light to pass through but obscuring details. Acrylic, on the other hand, is almost completely clear and offers excellent optical properties. It provides exceptional clarity and color transmission, making it perfect for displaying items in a showcase or cabinet.

With these two materials, you can create stunning displays that will capture everyone's attention! Whether you're looking for something subtle or dramatic, PEEK and acrylic can give you the results you want with minimal effort.

You can feel confident in knowing that your displays are safe from dust and dirt with their resilient protective coatings. So why not explore the possibilities today? Live freely by choosing either PEEK or acrylic - both guarantee an impressive level of transparency!


Machinability of PEEK and Acrylic (PMMA)

Choosing between PEEK and acrylic is a cinch when it comes to machinability - both materials are incredibly easy to work with! Both materials offer excellent machining capabilities, allowing for quick turnaround times and cost-effective production.

Here are just some of the advantages they provide when machined:

  • PEEK and acrylic can easily be cut, drilled, milled, sanded, or routed into any shape imaginable.
  • Both materials have a low coefficient of friction, making them ideal for smooth surface finishes.
  • They can also be thermoformed without losing their strength or rigidity.
  • Their superior thermal stability allows them to withstand temperatures up to 260°C (500°F).

Machining PEEK and acrylic is an efficient process that provides maximum creative potential — making it perfect for projects that need precision in design while still providing freedom in creativity!

Flame Retardancy

When it comes to flame retardancy, PEEK and acrylic are two materials that offer different levels of protection - so you'll need to consider which is best suited for your needs.

PEEK has a much higher level of flame resistance than PMMA, meaning it can withstand intense heat without burning or melting. This makes it ideal for applications where there is a risk of fire or spark, such as in vehicles or electrical appliances.

However, PMMA has its own advantages when it comes to flame retardancy; the material is self-extinguishing and doesn't release toxic fumes when exposed to fire. This makes it suitable for use in hospitals and other areas where safety is paramount.

So if you're looking for fire protection, PEEK is the superior option – but if safety is more important than durability, then acrylic might be the right choice for you.


Automotive Applications PMMA

Now that you know the difference between PEEK and acrylic when it comes to flame retardancy, let's take a closer look at their applications.

Both materials are used in a variety of industries because of their unique properties. PEEK offers excellent chemical resistance, high temperature strength, and fatigue resistance which makes it ideal for use in automotive and aerospace components.

On the other hand, acrylic is well-known for its optical clarity, light weight, and superior weatherability which makes it suitable for glazing applications such as windows and skylights.

The two materials have different strengths that make them both appealing choices depending on your particular project needs. To determine which one is right for you, consider the following:

Environmental Considerations

When considering which material to use in your project, it's important to factor in environmental considerations such as the impact each may have on air pollution or waste disposal.

PEEK and acrylic (PMMA) both have their benefits when it comes to eco-friendliness, but one is often better for the environment than the other.

PEEK is a thermoplastic polymer that is made from petroleum products, so its production has a much higher carbon footprint compared to acrylic. On the other hand, PMMA can be recycled up to seven times without losing its quality and strength, making it an excellent choice for sustainable projects.

Additionally, acrylic doesn't give off toxic fumes during melting like PEEK does. So if you're looking for a more environmentally friendly option for your project, acrylic is probably the way to go!


Choosing between PEEK and acrylic (PMMA) can be overwhelming, but by weighing the costs, durability, versatility, transparency, machinability, flame retardancy, and environmental considerations, you'll be able to make an informed decision.

As the old adage goes, "you get what you pay for," so if you need something that is durable and long-lasting with superior performance, then PEEK may be the right choice for you. On the other hand, if cost savings are a priority, then PMMA could be a great alternative.

Whatever you decide to go with, it's always best to consider all your options first.