PEEK PEI Plastics High Temp Corrosion Proof Aerospace Automotive Industrial
| 
			 Material  | 
			
			 Core Properties  | 
			
			 Machining Tips  | 
			
			 Industrial Applications  | 
		
|---|---|---|---|
| 
			 POM  | 
			
			 High rigidity, low friction, chemical resistance  | 
			
			 High-speed cutting with cooling to prevent thermal deformation  | 
			
			 Gears, bearings, structural parts  | 
		
| 
			 Nylon  | 
			
			 High toughness, wear resistance, moisture control  | 
			
			 Dry machining or humidity control to avoid swelling  | 
			
			 Pulleys, bushings, mechanical housings  | 
		
| 
			 PTFE  | 
			
			 High-temp (260°C), chemical inertness, self-lubricating  | 
			
			 Low-speed cutting with sharp tools to reduce gumming  | 
			
			 Seals, valve liners, insulators  | 
		
| 
			 PEEK  | 
			
			 High-temp (260°C+), biocompatible, high strength  | 
			
			 High-temperature machining to avoid delamination  | 
			
			 Aerospace turbine parts, sensor housings  | 
		
| 
			 ABS  | 
			
			 Impact resistance, dyeability, low cost  | 
			
			 Low feed rate with cooling to prevent warping  | 
			
			 Automotive dashboards, drone frames  | 
		
| 
			 PC  | 
			
			 Transparency, UV resistance, impact resistance  | 
			
			 Avoid overheating tools to reduce stress cracks  | 
			
			 Safety visors, optical lens mounts  | 
		
| 
			 PEI (Ultem)  | 
			
			 Flame retardant, high-temp (170°C), dimensional stability  | 
			
			 High RPM tools to avoid carbonization  | 
			
			 Electrical connectors, aerospace interiors  | 
		
| 
			 PMMA  | 
			
			 Optical clarity, weather resistance, polishable  | 
			
			 Low-speed cutting with coolant to prevent melting  | 
			
			 Optical covers, display models  | 
		
| 
			 HDPE  | 
			
			 Corrosion resistance, lightweight, food-safe  | 
			
			 Sharp tools to minimize burrs  | 
			
			 Chemical tanks, food processing parts  | 
		
The Advantages of Engineering Plastics over Metals
Breakthrough in Technical Performance:
Lightweight: PEEK density is only 1/3 of aluminum alloy, with equal strength. The aviation bracket reduces weight by 60% and fuel efficiency increases by 8%;
Corrosion resistance: PTFE has a lifespan of 20 times that of ultra carbon steel in 98% sulfuric acid, reducing the annual maintenance cost of chemical valves by 70%;
Function integration: 5-axis CNC one-time molding of complex flow channel structures (such as automotive turbocharger housings), reducing the welding and assembly processes of metal parts.
Full cycle cost advantage:
Processing cost reduction: PEI injection molded connectors replace copper alloy machined parts, reducing single piece costs by 45%;
Energy consumption optimization: Nylon gears replace steel gears, reducing friction losses in the transmission system by 30% and extending equipment life by 2 times.
Sustainability driven:
Circular economy: Medical grade PEEK can be sterilized and reused at high temperatures, reducing the carbon footprint of titanium alloy implants by 60%;
Design freedom: 3D printing topology optimization of plastic load-bearing components (such as drone skeletons), reducing materials by 80% compared to traditional metal structures.
Typical Alternative Scenarios:
Aerospace: PEEK replaces titanium alloy fuel pipelines, with a temperature resistance of 260 ° C and a weight reduction of 55%;
Energy: PEI insulation replaces copper-clad aluminum high-voltage connectors, increasing arc resistance by three times;
Automobile: Carbon fiber reinforced PA66 replaces steel suspension links, increasing fatigue resistance by 40%.
CNC Machining Tolerance:
| 
			 Precision Machining  | 
			
			 Metals, PEEK, And  | 
			
			 Other Plastics  | 
			
			 No Drawing  | 
		
| 
			 Linear Dimension  | 
			
			 +/- 0.0025 mm  | 
			
			 +/- 0.05 mm
  | 
			
			 ISO 2768 Medium  | 
		
| 
			 Hole Diameters  | 
			
			 +/- 0.0025 mm
  | 
			
			 +/- 0.05 mm  | 
			
			 ISO 2768 Medium  | 
		
| 
			 Shaft Diameters  | 
			
			 +/- 0.0025 mm
  | 
			
			 +/- 0.05 mm
  | 
			
			 ISO 2768 Medium  | 
		
Why Choose Us to Process for You?
Choosing our CNC machining services ensures not only precision and quality but a partnership built on trust and reliability. At Polestar Metal, we are committed to delivering excellence in every aluminum component we produce. From prototyping to full-scale production, we are equipped to meet your specific needs and bring your designs to life.
![]()