Are you looking for the best Ultem machining factories in China to bring your precision parts to life? Here’s a comparison of the top players in the industry, highlighting their strengths, capabilities, and what sets them apart. Let’s dive into the world of Wayken, Star Rapid, YCX, DEK, ETCN, and AT-Machining to find the perfect fit for your project.

Precision PEI (Ultem) CNC Machining Services

Product Details: Ultem, also known as PEI (polyetherimide), is a high-performance thermoplastic. It is available in various grades, including Ultem 1000, an unfilled grade with high elongation and toughness, often used in automotive, aerospace, and electrical/electronics applications. Ultem 2100, 2200, and 2300 are glass-filled grades offering enhanced rigidity and dimensional stability, used in structural components requiring high strength and stiffness at elevated temperatures. Ultem 4001 is a blend of PEI and polycarbonate, providing a balance of strength, heat resistance, and processability. Ultem 5000 is a medical-grade PEI, biocompatible and suitable for repeated sterilization. Carbon fiber-filled Ultem is used for extreme strength and

rigidity, particularly in aerospace and automotive industries.

Pros:
– Excellent thermal properties and high chemical resistance.
– High mechanical strength and dimensional stability.
– Good flowability and excellent flame retardance with UL94 V0, V2, and 5VA rating…
– Can be sterilized, making it suitable for medical applications.
– High precision and repeatability in CNC machining.
– Excellent surface finish, often eliminating the need for post-processing.
– Ability to create complex geometries and intricate parts.
– Fast production times due to the speed of CNC machining.

Cons:
– Sensitive to aggressive cutting actions, requiring conservative cutting paramete…
– Notch sensitive, particularly in glass-filled grades, requiring coolants during…
– Requires stress-relieving through an annealing process to prevent surface cracks…
– More expensive compared to lower-end polymers due to its high-performance proper…

Machining Ultem(PEI): Its Machinability and Grades

Product Details: ULTEM 9085 is an amorphous, high-performance thermoplastic (Polyether Imide) with a glass transition temperature of 186°C. It is known for its exceptional dimensional stability, good chemical resistance, and flame retardancy, meeting UL 94 V-0 and 5VA ratings. The material exhibits high impact resistance, durability, and tensile strength. It is commonly used in aerospace, automotive, electrical, and chemically-resistant applications.

Pros:
– High-temperature resistance up to 240°C
– Excellent chemical resistance to fuels, oils, and corrosive chemicals
– High strength and stiffness
– Low moisture absorption preventing warping and dimensional instability
– Flame retardant with low smoke evolution and toxicity
– Biocompatible and suitable for medical and pharmaceutical applications
– Low thermal expansion reducing cracking and warping

Cons:
– Requires a heated chamber with a minimum temperature of 170°C for optimal printi…
– Needs a dedicated build surface and all-metal extruder
– Printing settings can be challenging, requiring expert-level experience
– Not suitable for medical applications involving permanent implantation in the hu…
– Higher cost compared to other 3D printing materials

PEI (Ultem) CNC Machining – ETCN

Product Details: PEI Ultem is a high-performance thermoplastic known for its exceptional strength, heat resistance, and chemical resistance. It has a glass transition temperature (Tg) of 217°C for Ultem 1000 and 186°C for Ultem 9085. It is inherently flame retardant with UL94 V0 and 5VA ratings. The material is used in demanding industries such as aerospace, automotive, and medical due to its high tensile strength, thermal stability, and resistance to various chemicals and solvents.

Pros:
– High tensile strength and durability
– Excellent thermal stability and heat resistance up to 170°C
– Inherently flame retardant with UL94 V0 and 5VA ratings
– High dielectric strength and good thermal conductivity
– Chemical resistance to natural and synthetic solvents
– Biocompatible (ISO 10993/USP Class VI certifications) for certain grades
– High strength-to-weight ratio, making it a lightweight alternative to metal

Cons:
– Requires specialized hardware for 3D printing, including high-temperature nozzle…
– Higher printing temperatures (350-390°C) and specific bed temperatures (120-160°…
– Needs a dedicated build surface and a controlled printing environment to avoid d…
– Slightly lower strength, stability, and creep resistance compared to PEEK and PE…
– Not suitable for medical applications involving permanent implantation in the hu…

Machining Ultem(PEI): Everything You Need to Know

Product Details: Ultem, also known as PEI (Polyetherimide), is a high-performance plastic characterized by its high mechanical strength, stiffness, and good machinability. It is available in various grades, including unfilled (Ultem 1000) and glass fiber-filled variants (e.g., Ultem 2100, 2200, 2300). These grades differ in their glass fiber content, which affects their mechanical, thermal, and dimensional stability properties. Ultem is known for its heat resistance, chemical resistance, and low flammability, making it suitable for high-temperature applications and industries such as automotive, aerospace, and electronics[2][4][5].

Pros:
– High mechanical strength and stiffness
– Excellent heat resistance and dimensional stability
– Good chemical resistance
– Low flammability (UL94 V-0 compliant)
– Can be precisely machined using CNC techniques
– Suitable for high-temperature applications

Cons:
– Prone to stress cracking, requiring careful coolant selection
– Difficult to machine due to its hardness and high glass transition temperature
– Can cause tool wear and breakage if not using appropriate cutting tools (e.g., c…
– Produces long, stringy chips that require proper chip management
– Sensitive to aggressive cutting actions, requiring conservative cutting paramete…

Ultem/PEI Machining Guide – Keward Plastics

Product Details: Ultem or PEI is a high performance plastic characterized by high mechanical strength, high stiffness, and good machinability. It can maintain narrow tolerances. There are modified versions such as Ultem 2300 or PEI GF30, which is 30% glass fiber filled, showing higher stiffness and relatively easy machinability. PEI is prone to stress cracking, requiring special care in choosing coolants.

Pros:
– High mechanical strength
– High stiffness
– Good machinability
– Can maintain narrow tolerances
– Higher stiffness in glass fiber-filled variants
– Relatively easy to machine for glass fiber-filled variants

Cons:
– Prone to stress cracking
– Requires special care in choosing coolants to avoid stress cracking
– Sensitive to thermal softening and aggressive cutting actions

Ultem CNC Machining Guide

Ultem Pei Cnc Part,Pei Machining Component …

Custom Ultem Machined Parts

Product Details: Ultem® is a family of Polyetherimide (PEI) products manufactured by SABIC, classified as an amorphous thermoplastic. It is used in medical and chemical instrumentation due to its heat resistance, solvent resistance, and flame resistance. Ultem® has high mechanical properties and can operate in continuous use up to 340°F (170°C). It is semi-transparent, high-strength, and resistant to hot water and steam, withstanding repeated cycles in a steam autoclave. Ultem® also has outstanding electrical properties, including high dielectric strength. It is available in glass-filled grades for enhanced strength and stiffness.

Pros:
– Extremely strong and stiff
– FDA compliant grades available
– High chemical resistance
– High dielectric strength
– Resistant to hot water and steam
– Withstands repeated cycles in a steam autoclave
– Superior strength, stiffness, or temperature resistance compared to polysulfone

Cons:
– No specific cons mentioned in the source material

Ultem Machined Parts

Product Details: Ultem is a high-strength plastic resin ideal for parts requiring excellent thermal and dielectric properties. It is an amorphous thermoplastic polyetherimide (PEI) with high resistance to heat and moisture, capable of withstanding multiple cycles in hot water or steam. Ultem has one of the highest dielectric strengths among thermoplastics, making it suitable for aerospace and electronics applications. It can be machined into intricate parts using CNC Swiss machines and CNC turning centers.

Pros:
– High strength and stiffness
– Excellent thermal properties with a high glass transition temperature of 217 °C
– High dielectric strength
– Good chemical resistance and hydrolytic stability
– Excellent dimensional stability over a wide temperature range
– High heat resistance up to 200 °C
– Inherent flame resistance without additives
– Low smoke generation and toxicity

Cons:
– Higher material cost factor compared to steel (16.5 vs 1 for steel 12L14)
– Machining cost factor is 0.7 compared to steel 12L14, indicating slightly higher…
– Limited availability of certain grades and colors may affect specific applicatio…

PEI (Ultem) – Essengold – China CNC Machining Service

Product Details: Essengold offers CNC machining services for PEI (Ultem), a high-performance engineering plastic known for its excellent mechanical properties, chemical resistance, and high-temperature stability. The service includes precise machining using advanced technology, customizable solutions, and dependable delivery.

Pros:
– High precision and accuracy in machining
– Excellent mechanical properties and chemical resistance of PEI material
– Customizable solutions to meet specific project needs
– Dependable delivery and expert engineering support

Cons:
– Higher cost compared to other plastics due to the advanced properties of PEI
– May require specialized tools and expertise for optimal machining results

Comparison Table

Company	Product Details	Pros	Cons	Website
Precision PEI (Ultem) CNC Machining Services	Ultem, also known as PEI (polyetherimide), is a high-performance thermoplastic. It is available in various grades, including Ultem 1000, an unfilled g…	– Excellent thermal properties and high chemical resistance. – High mechanical strength and dimensional stability. – Good flowability and excellent fl…	– Sensitive to aggressive cutting actions, requiring conservative cutting paramete… – Notch sensitive, particularly in glass-filled grades, requirin…	at-machining.com
Machining Ultem(PEI): Its Machinability and Grades	ULTEM 9085 is an amorphous, high-performance thermoplastic (Polyether Imide) with a glass transition temperature of 186°C. It is known for its excepti…	– High-temperature resistance up to 240°C – Excellent chemical resistance to fuels, oils, and corrosive chemicals – High strength and stiffness – Low…	– Requires a heated chamber with a minimum temperature of 170°C for optimal printi… – Needs a dedicated build surface and all-metal extruder – Print…	waykenrm.com
PEI (Ultem) CNC Machining – ETCN	PEI Ultem is a high-performance thermoplastic known for its exceptional strength, heat resistance, and chemical resistance. It has a glass transition…	– High tensile strength and durability – Excellent thermal stability and heat resistance up to 170°C – Inherently flame retardant with UL94 V0 and 5VA…	– Requires specialized hardware for 3D printing, including high-temperature nozzle… – Higher printing temperatures (350-390°C) and specific bed temp…	etcnmachining.com
Machining Ultem(PEI): Everything You Need to Know	Ultem, also known as PEI (Polyetherimide), is a high-performance plastic characterized by its high mechanical strength, stiffness, and good machinabil…	– High mechanical strength and stiffness – Excellent heat resistance and dimensional stability – Good chemical resistance – Low flammability (UL94 V-0…	– Prone to stress cracking, requiring careful coolant selection – Difficult to machine due to its hardness and high glass transition temperature – Can…	www.worthyhardware.com
Ultem/PEI Machining Guide – Keward Plastics	Ultem or PEI is a high performance plastic characterized by high mechanical strength, high stiffness, and good machinability. It can maintain narrow t…	– High mechanical strength – High stiffness – Good machinability – Can maintain narrow tolerances – Higher stiffness in glass fiber-filled variants -…	– Prone to stress cracking – Requires special care in choosing coolants to avoid stress cracking – Sensitive to thermal softening and aggressive cutti…	kewardplastics.com
Ultem CNC Machining Guide				www.fictiv.com
Ultem Pei Cnc Part,Pei Machining Component …				www.honyplastic.com
Custom Ultem Machined Parts	Ultem® is a family of Polyetherimide (PEI) products manufactured by SABIC, classified as an amorphous thermoplastic. It is used in medical and chemica…	– Extremely strong and stiff – FDA compliant grades available – High chemical resistance – High dielectric strength – Resistant to hot water and steam…	– No specific cons mentioned in the source material	thegundcompany.com
Ultem Machined Parts	Ultem is a high-strength plastic resin ideal for parts requiring excellent thermal and dielectric properties. It is an amorphous thermoplastic polyeth…	– High strength and stiffness – Excellent thermal properties with a high glass transition temperature of 217 °C – High dielectric strength – Good chem…	– Higher material cost factor compared to steel (16.5 vs 1 for steel 12L14) – Machining cost factor is 0.7 compared to steel 12L14, indicating slightl…	www.coxmanufacturing.com
PEI (Ultem) – Essengold – China CNC Machining Service	Essengold offers CNC machining services for PEI (Ultem), a high-performance engineering plastic known for its excellent mechanical properties, chemica…	– High precision and accuracy in machining – Excellent mechanical properties and chemical resistance of PEI material – Customizable solutions to meet…	– Higher cost compared to other plastics due to the advanced properties of PEI – May require specialized tools and expertise for optimal machining res…	essengoldparts.com

Frequently Asked Questions (FAQs)

Frequently Asked Questions About Machining Ultem in China

What is Ultem (PEI) and why is it used in CNC machining?

Ultem, also known as PEI (Polyetherimide), is a high-performance plastic renowned for its excellent heat resistance, mechanical strength, and chemical stability. You choose Ultem for CNC machining because it offers superior properties that make it ideal for demanding applications in industries like aerospace, automotive, and electronics.

What are the different grades of Ultem used in CNC machining?

There are several grades of Ultem, each with unique properties. For example, Ultem 1000 is the standard grade with high strength and heat resistance, while Ultem 2300 is a glass fiber-reinforced grade that offers greater stiffness and dimensional stability. These variations allow you to select the best grade for your specific application needs.

How is Ultem machined, and what are the common challenges?

Ultem is machined using CNC machines, which can precisely cut, shape, and drill the material. However, machining Ultem can be challenging due to its tendency to undergo thermal softening and stress cracking. To mitigate these issues, techniques like annealing to relieve internal stresses and using sharp tools with appropriate cooling are employed.

What surface finish options are available for Ultem machined parts?

You can achieve various surface finishes for Ultem machined parts. The most common options include a machined finish, which can be very fine up to ± 1µm, and bead blasting, which provides a smooth surface with medium roughness. These finishes ensure that your parts meet the required specifications and look professional.

Why should I choose a Chinese factory for Ultem CNC machining?

Choosing a Chinese factory for Ultem CNC machining can be highly beneficial due to the cost-effectiveness and the availability of advanced CNC machinery. Chinese factories often offer significant savings, sometimes up to 50% compared to other regions, while maintaining high-quality standards and quick turnaround times. This makes them an excellent option for both high-end and low-volume production runs.