PEI Ultem Sheet – Amber & Black Flame-Retardant Plastic Board | Custom Cut

PEI Ultem Sheet – Amber & Black | High-Temperature Engineering Plastic Board Cut to Size

Experience industry-leading durability, heat resistance, and electrical insulation with our premium PEI Ultem Sheets, also known as Polyetherimide plastic boards. Available in both amber transparent and black PEI sheets, these high-performance thermoplastics are ideal for demanding applications in aerospace, medical devices, electronics, and industrial engineering. Choose from standard thicknesses ranging from 6mm to 35mm (¼" to 1⅜") and customize your dimensions for precision fit and cost-effective use. Whether you're prototyping or scaling production, BeePlastic delivers high-quality Ultem plastic plates with fast turnaround, expert support, and no minimum order requirements.

Why Choose Ultem PEI Sheets for Your Project?

PEI (Polyetherimide) is a high-strength, flame-retardant plastic engineered for extreme environments. It offers a rare combination of thermal endurance, chemical resistance, and mechanical stability, making it a go-to material in industries that demand high performance with tight tolerances. Our PEI sheets are made from Ultem™ 1000 resin, ensuring consistent quality and reliability.

Key Features of Our Amber and Black PEI Sheets

• Manufactured using 100% Ultem 1000 resin for superior structural integrity

• Available in amber clear and black (carbon-filled) variants

• Heat resistant up to 340°C short-term; continuous use up to 170°C

• Certified UL94 V-0 flame retardancy for electrical and aerospace applications

• Exceptional dielectric properties and low moisture absorption

• Easy to machine and fabricate with CNC, milling, and drilling

• Excellent dimensional stability under high load and thermal stress

• Resistant to chemicals, sterilization processes, and mechanical wear

Common Applications of PEI Ultem Plastic Sheets

Our PEI plastic boards are widely used in high-demand sectors, including:

• Aerospace interiors, engine components, and insulation parts

• Medical equipment housing and sterilizable tools

• Semiconductor manufacturing fixtures and IC sockets

• Electrical insulation panels and high-voltage components

• Food processing machinery requiring chemical and heat resistance

• 3D printer beds, trays, and high-temp structural supports

Thickness & Custom Size Options – Metric & Inch Conversion

We provide the following standard thickness options, with custom cutting available for all sizes:

• 6mm (¼ inch)

• 10mm (⅜ inch)

• 15mm (⅝ inch)

• 20mm (¾ inch)

• 25mm (1 inch)

• 30mm (1¼ inch)

• 35mm (1⅜ inch)

📏 Example variant: 2.5cm × 20cm × 20cm (1" × 7.9" × 7.9")
All sheets are 1250mm (49.2”) in length by default unless custom ordered.

Custom Machining & Precision Cutting Services

BeePlastic offers in-house CNC machining, laser cutting, engraving, and drilling services with tolerances as tight as ±0.1mm. Simply upload your design file or send us your dimensions, and we’ll fabricate your PEI sheet to exact specifications. Whether you need one prototype or a bulk order of consistent parts, our team works with you to reduce material waste, lower your costs, and accelerate your production.

👉 Need a special shape or tolerance requirement? Request a Custom Quote Now

Why Buy PEI Ultem Sheets from BeePlastic?

At BeePlastic, we understand that quality, customization, and cost control matter most. Here’s how we help you succeed:

• 🧩 Massive Material Selection – Over 50+ plastic types in stock, including PEI, PTFE, POM, HDPE, PC, and more

• 🛠️ Custom Processing Expertise – We offer end-to-end machining and prototyping solutions

• 💬 Responsive Support – Our engineers and service team are here to guide your project to success

• 📦 No MOQ, Fast Delivery – Buy only what you need and get it shipped fast across the USA and beyond

• 💰 We Help You Save – We optimize material usage and processing methods to lower your total cost

Frequently Asked Questions (FAQ)

Can I get custom sizes or hole patterns on my PEI sheet?
Yes, we offer full CNC customization including cuts, holes, and complex patterns—just upload your CAD file or specs.

What’s the difference between amber and black Ultem?
Amber is natural PEI with slight transparency. Black PEI contains fillers, offering extra rigidity and light-blocking for electrical uses.

Are these sheets FDA or medical compliant?
Yes, PEI is sterilization-safe and commonly used in food-grade and medical environments. Contact us for specific certifications.

Is there a minimum order requirement?
No, we support both prototyping and volume manufacturing. Whether you need one piece or one hundred, we’re ready to help.

Order Your PEI Ultem Sheet Today

Ready to upgrade your project with high-temperature PEI Ultem plastic sheets? Whether you’re designing for aerospace, electronics, or precision medical use, BeePlastic is your trusted partner for custom-cut PEI plates with fast delivery and exceptional quality.

🛒 Click “Add to Cart” to order standard sizes now
✍️ Need a custom cut or machining? Request a Quote Today
📦 Get fast USA shipping and expert support on every order