Ideal for Precision and Stability
With its exceptional performance, reliability, and durability, this versatile polyester thin film has become a preferred material for applications requiring precision and stability across aerospace, electronics, automotive, medical industries as well as other sectors.
It can also be tailored for specific applications through various treatments, including coatings or surface modifications, further expanding its use.


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Product Benefits
Mylar offers a host of outstanding properties that makes it ideal for highly specialized applications including:


Excellent Thermal, Electrical and Chemical Properties
Mylar is renowned for withstanding extreme temperatures, making it suitable for high-temperature environments. It also demonstrates exceptional electrical insulation properties, making it invaluable in electronic applications and exhibits excellent chemical resistance, ensuring durability in harsh environments.


Mechanical Resilience and Stability
Highly resistant to vibrations, Mylar is ideal for applications that encounter mechanical stress. Its exceptional stability and dimensional precision ensure long-lasting performance.


Gas and Aroma Barrier
Mylar PET plastic acts as an effective barrier against unwanted gas exchange, making it a preferred choice for packaging and preservation. It also serves as an aroma barrier, protecting contents from external odors and maintaining product quality.


Transparent and Reflective Properties
As it maintains excellent optical clarity, Mylar allows for light transmission in various applications, while its reflective capabilities see it used for applications that require reflective surfaces, such as mirrors and reflective coatings.


Choosing the Right Product
Goodfellow offers a range of Mylar products in different forms that cater to diverse industry needs including:
- Mylar Film: Available in various thicknesses, Mylar film is a versatile option for applications requiring excellent mechanical properties and dimensional stability
- Mylar Foils: We provide Mylar foils in different sizes, ensuring precise customization for specific applications
- Mylar Coils: These are used in manufacturing processes that require consistent and continuous production.
Our Mylar range complies with European Directives 2015/863/EU (RoHS 3) and 2000/53/EC (ELV), ensuring their environmental friendliness. Additionally, we hold certifications for ISO 9001, EN 9100, ISO 14001, and ISO 45001, demonstrating our dedication to quality and safety.
Our Product Range
We offer the following Mylar products:
- Polyethylene Terephthalate/PET Films and Sheets
- 99.99% Gold Permanent Mylar Thin Film
- 99.999% Aluminum Coated Temporary Mylar Thin Film
- 99.9% Cobalt Permanent Mylar Thin Film
- 99.99% Platinum Permanent Mylar Thin Film
With years of experience working across industries from electronics and aerospace to automotive and medical, we'll ensure you’re making the most of the precision, reliability and versatility it provides.
Our industry-leading Technical Solutions team is ready and waiting to identify the right products for your project.
This service is completely free as we are committed to providing an exceptional level of service that enables you to deliver groundbreaking scientific advancements that shape the future.


Popular Mylar Products
- Niobium Thin Film Disk Formula: Nb
Percentage Purity: 99.9%
Thickness: 0.025µm
Diameter: 10mm
Area Density: 21µg/cm²
Support: Permanent Mylar® 3.5µm
CAS Number: 7440-03-1
UOM Code: 030-371-15
eachStarting at £478.26
In stockDiscounts applied for volume purchasesFormula: NbPercentage Purity: 99.9%Thickness: 0.025µmDiameter: 10mmArea Density: 21µg/cm²Support: Permanent Mylar® 3.5µmCAS Number: 7440-03-1UOM Code: 030-371-15 - Gold Thin Film Disk Formula: Au
Percentage Purity: 99.99%
Thickness: 0.05µm
Diameter: 25mm
Support: Permanent Mylar® 0.5µm
CAS Number: 7440-57-5
UOM Code: 102-855-18
eachStarting at £501.23
In stockDiscounts applied for volume purchasesFormula: AuPercentage Purity: 99.99%Thickness: 0.05µmDiameter: 25mmSupport: Permanent Mylar® 0.5µmCAS Number: 7440-57-5UOM Code: 102-855-18 - Aluminum Thin Film Disk Formula: Al
Percentage Purity: 99.999%
Thickness: 0.0075µm
Diameter: 25mm
Area Density: 1.84µg/cm²
Support: Permanent Mylar® 3.5µm
CAS Number: 7429-90-5
UOM Code: 096-803-06
eachStarting at £670.06
In stockDiscounts applied for volume purchasesFormula: AlPercentage Purity: 99.999%Thickness: 0.0075µmDiameter: 25mmArea Density: 1.84µg/cm²Support: Permanent Mylar® 3.5µmCAS Number: 7429-90-5UOM Code: 096-803-06 - Silver Thin Film Disk Formula: Ag
Percentage Purity: 99.95%
Thickness: 0.5µm
Diameter: 10mm
Area Density: 522.6µg/cm²
Support: Permanent Mylar® 3.5µm
CAS Number: 7440-22-4
UOM Code: 010-399-80
eachStarting at £502.17
In stockDiscounts applied for volume purchasesFormula: AgPercentage Purity: 99.95%Thickness: 0.5µmDiameter: 10mmArea Density: 522.6µg/cm²Support: Permanent Mylar® 3.5µmCAS Number: 7440-22-4UOM Code: 010-399-80 - Ruthenium Thin Film Disk Formula: Ru
Percentage Purity: 99.9%
Thickness: 0.1µm
Diameter: 10mm
Area Density: 122µg/cm²
Support: Permanent Mylar® 3.5µm
CAS Number: 7440-18-8
UOM Code: 011-413-33
eachStarting at £681.58
In stockDiscounts applied for volume purchasesFormula: RuPercentage Purity: 99.9%Thickness: 0.1µmDiameter: 10mmArea Density: 122µg/cm²Support: Permanent Mylar® 3.5µmCAS Number: 7440-18-8UOM Code: 011-413-33 - Palladium Thin Film Disk Formula: Pd
Percentage Purity: 99.99%
Thickness: 0.01µm
Diameter: 25mm
Area Density: 21.3µg/cm²
Support: Permanent Mylar® 3.5µm
CAS Number: 7440-05-3
UOM Code: 027-866-76
eachStarting at £477.36
In stockDiscounts applied for volume purchasesFormula: PdPercentage Purity: 99.99%Thickness: 0.01µmDiameter: 25mmArea Density: 21.3µg/cm²Support: Permanent Mylar® 3.5µmCAS Number: 7440-05-3UOM Code: 027-866-76 - Niobium Thin Film Disk Formula: Nb
Percentage Purity: 99.9%
Thickness: 0.025µm
Diameter: 10mm
Area Density: 21µg/cm²
Support: Permanent Mylar® 3.5µm
CAS Number: 7440-03-1
UOM Code: 030-371-15
eachStarting at £478.26
In stockDiscounts applied for volume purchasesFormula: NbPercentage Purity: 99.9%Thickness: 0.025µmDiameter: 10mmArea Density: 21µg/cm²Support: Permanent Mylar® 3.5µmCAS Number: 7440-03-1UOM Code: 030-371-15 - Gold Thin Film Disk Formula: Au
Percentage Purity: 99.99%
Thickness: 0.05µm
Diameter: 25mm
Support: Permanent Mylar® 0.5µm
CAS Number: 7440-57-5
UOM Code: 102-855-18
eachStarting at £501.23
In stockDiscounts applied for volume purchasesFormula: AuPercentage Purity: 99.99%Thickness: 0.05µmDiameter: 25mmSupport: Permanent Mylar® 0.5µmCAS Number: 7440-57-5UOM Code: 102-855-18 - Aluminum Thin Film Disk Formula: Al
Percentage Purity: 99.999%
Thickness: 0.0075µm
Diameter: 25mm
Area Density: 1.84µg/cm²
Support: Permanent Mylar® 3.5µm
CAS Number: 7429-90-5
UOM Code: 096-803-06
eachStarting at £670.06
In stockDiscounts applied for volume purchasesFormula: AlPercentage Purity: 99.999%Thickness: 0.0075µmDiameter: 25mmArea Density: 1.84µg/cm²Support: Permanent Mylar® 3.5µmCAS Number: 7429-90-5UOM Code: 096-803-06 - Silver Thin Film Disk Formula: Ag
Percentage Purity: 99.95%
Thickness: 0.5µm
Diameter: 10mm
Area Density: 522.6µg/cm²
Support: Permanent Mylar® 3.5µm
CAS Number: 7440-22-4
UOM Code: 010-399-80
eachStarting at £502.17
In stockDiscounts applied for volume purchasesFormula: AgPercentage Purity: 99.95%Thickness: 0.5µmDiameter: 10mmArea Density: 522.6µg/cm²Support: Permanent Mylar® 3.5µmCAS Number: 7440-22-4UOM Code: 010-399-80 - Ruthenium Thin Film Disk Formula: Ru
Percentage Purity: 99.9%
Thickness: 0.1µm
Diameter: 10mm
Area Density: 122µg/cm²
Support: Permanent Mylar® 3.5µm
CAS Number: 7440-18-8
UOM Code: 011-413-33
eachStarting at £681.58
In stockDiscounts applied for volume purchasesFormula: RuPercentage Purity: 99.9%Thickness: 0.1µmDiameter: 10mmArea Density: 122µg/cm²Support: Permanent Mylar® 3.5µmCAS Number: 7440-18-8UOM Code: 011-413-33 - Palladium Thin Film Disk Formula: Pd
Percentage Purity: 99.99%
Thickness: 0.01µm
Diameter: 25mm
Area Density: 21.3µg/cm²
Support: Permanent Mylar® 3.5µm
CAS Number: 7440-05-3
UOM Code: 027-866-76
eachStarting at £477.36
In stockDiscounts applied for volume purchasesFormula: PdPercentage Purity: 99.99%Thickness: 0.01µmDiameter: 25mmArea Density: 21.3µg/cm²Support: Permanent Mylar® 3.5µmCAS Number: 7440-05-3UOM Code: 027-866-76 - Niobium Thin Film Disk Formula: Nb
Percentage Purity: 99.9%
Thickness: 0.025µm
Diameter: 10mm
Area Density: 21µg/cm²
Support: Permanent Mylar® 3.5µm
CAS Number: 7440-03-1
UOM Code: 030-371-15
eachStarting at £478.26
In stockDiscounts applied for volume purchasesFormula: NbPercentage Purity: 99.9%Thickness: 0.025µmDiameter: 10mmArea Density: 21µg/cm²Support: Permanent Mylar® 3.5µmCAS Number: 7440-03-1UOM Code: 030-371-15 - Gold Thin Film Disk Formula: Au
Percentage Purity: 99.99%
Thickness: 0.05µm
Diameter: 25mm
Support: Permanent Mylar® 0.5µm
CAS Number: 7440-57-5
UOM Code: 102-855-18
eachStarting at £501.23
In stockDiscounts applied for volume purchasesFormula: AuPercentage Purity: 99.99%Thickness: 0.05µmDiameter: 25mmSupport: Permanent Mylar® 0.5µmCAS Number: 7440-57-5UOM Code: 102-855-18
Applications


Archival Storage
Mylar's transparent and archival qualities make it suitable for archival storage, protecting documents from degradation over time.


Musical Instruments
In musical instrument manufacturing, Mylar serves as a key material in drumheads, providing durability, consistent sound quality, and resistance to environmental fluctuations.


Electronics
Electronic displays, printed circuit board insulation and flexible circuits all take advantage of Mylar’s excellent electrical insulation properties and dimensional stability.




Automotive
Used in automotive applications for insulating cables, protective films for surfaces, and high-temperature gaskets due to its thermal resistance and mechanical resilience.


Medical
Mylar is employed in medical applications such as X-ray film base, medical packaging, and implantable device components due to its biocompatibility, transparency and barrier properties.


Aerospace
Mylar is used in radar absorbers, thermal insulation and protective coverings due to its lightweight, high strength and thermal resistance.


Industrial
PET plastic’s excellent mechanical properties and resistance to various environments see it used for industrial applications such as conveyor belts, insulation materials and release films.
Why Goodfellow?
- No minimum order
- Over 175,000 advanced materials
- Supply Chain Management:
- sourcing custom materials for your needs
- Dispatched globally within 48 hours
- Materials customization:
- Custom parts for prototyping | Full product modification | Micro-machining | Microfabrication | Rolling
- Free and fast delivery: Worldwide shipping and customs clearance, to your door. All orders are dispatched within 48 hours
- Commercial arrangements:
- Call off orders | Buffer stock | Fixed and contract pricing | Discounts for increased volumes
- We help you innovate into the future.


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