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PAI Machining
PAI (Polyamide-Imide) Material Solutions & Precision Machining Services
Industry-leading supplier of high-performance PAI plastic materials and custom polyamide-imide components. Serving aerospace, automotive, semiconductor & industrial sectors with ±0.03mm precision CNC machining.
⚡ 3-Day Rapid Prototyping • 🎯 ±0.03mm Precision • 🌍 Global Shipping • 📧 beeplastic@beeplastic.com

Premium PAI (Polyamide-Imide) materials and precision machining capabilities
Complete PAI Plastic Solutions for Your Engineering Challenges
🔧 Custom PAI Machining & Fabrication
Transform PAI round rod (3-100mm diameter, 300mm/1200mm lengths) and sheet stock (300mm×300mm) into precision-engineered components using advanced CNC machining, laser cutting, and specialized fabrication techniques.
- CNC precision machining: ±0.03mm (±0.0012")
- 5-axis milling for complex PAI parts
- High-speed PAI turning up to 100mm diameter
- Wire EDM for intricate polyamide-imide geometries
- Surface grinding to Ra 0.4μm finish
📦 PAI Material Stock & Supply
Comprehensive inventory of PAI rods, sheets, tubes, and plates ready for immediate shipment. All polyamide-imide materials meet ASTM specifications.
- PAI round rods: 3mm to 100mm diameter
- PAI sheets: 300mm×300mm standard plates
- PAI rod lengths: 300mm or 1200mm long
- Natural (tan/amber) and black colors
- Same-day cut-to-size service available

PAI delivers superior strength-to-weight ratio vs PEEK, PEI, and other high-performance plastics
Why Engineers Choose PAI (Polyamide-Imide) Plastic
PAI polymer offers the highest strength and stiffness of any thermoplastic up to 275°C, making polyamide-imide the ideal metal replacement for extreme applications
260°C
Continuous Service Temperature
110 MPa
Tensile Strength
0.25
Coefficient of Friction
80%
Weight Reduction vs Steel
🎯 Critical PAI Material Advantages
Polyamide-imide maintains over 85% of room temperature strength at 200°C, outperforming PEEK, PEI, PPS, and PPA in high-temperature applications. PAI plastic's unique combination of thermal stability, mechanical strength, and self-lubricating properties makes it the preferred choice for aerospace bearings, automotive transmission components, and semiconductor test sockets.

Advanced 5-axis CNC machining ensures exceptional precision for critical PAI plastic parts
PAI Polyamide-Imide Applications by Industry
✈️ Aerospace PAI Components
High-performance polyamide-imide parts for extreme aerospace environments:
- PAI jet engine bearings & bushings
- Polyamide-imide thermal insulators
- PAI valve seats & seal rings
- High-temp PAI spacers & washers
- PAI aircraft interior components
🚗 Automotive PAI Parts
Durable PAI plastic solutions for drivetrain and powertrain systems:
- PAI transmission thrust washers
- Polyamide-imide shift fork pads
- PAI synchronizer rings
- High-temp PAI oil pump gears
- PAI turbocharger components
⚡ Semiconductor PAI Solutions
Precision PAI test fixtures and handling components:
- PAI IC test sockets & contactors
- Polyamide-imide wafer carriers
- PAI burn-in test fixtures
- ESD-safe PAI probe cards
- PAI pick-and-place nozzles

PAI thrust washers - 5x longer service life than bronze alternatives

Precision PAI test sockets maintain accuracy at 260°C continuous operation
PAI Material Technical Properties & Specifications
Comprehensive polyamide-imide performance data for engineering validation and material selection
PAI Property | Test Method | Value | Units |
---|---|---|---|
Density | ASTM D792 | 1.43 | g/cm³ |
Continuous Service Temperature | UL 746B | 260 | °C (500°F) |
Glass Transition Temperature | ASTM E1545 | 280 | °C (536°F) |
Heat Deflection Temperature | ASTM D648 | 310 | °C @ 1.8 MPa |
Tensile Strength | ASTM D638 | 110 | MPa (16,000 psi) |
Flexural Strength | ASTM D790 | 190 | MPa (27,500 psi) |
Compressive Strength | ASTM D695 | 190 | MPa (27,500 psi) |
Tensile Modulus | ASTM D638 | 4,200 | MPa (610 ksi) |
Elongation at Break | ASTM D638 | 20 | % |
Rockwell Hardness | ASTM D785 | E80 (M120) | - |
Coefficient of Friction | ASTM D3702 | 0.25 | - |
Thermal Expansion | ASTM E831 | 1.1 × 10⁻⁵ | cm/cm/°C |
Water Absorption (24h) | ASTM D570 | 0.35 | % |
Dielectric Strength | ASTM D149 | 250 | kV/mm |
Flammability Rating | UL 94 | V-0 | - |
📊 Engineering Note: PAI polyamide-imide maintains superior dimensional stability with only 1.7% water absorption at saturation. This makes PAI plastic ideal for precision components in humid environments where PEEK and other materials may experience dimensional changes.
PAI Rod, Sheet & Tube Stock - Ready for Immediate Delivery
Comprehensive inventory of polyamide-imide materials in standard and custom sizes

Premium PAI rod, sheet, and tube stock - Available for same-day shipping
🔵 PAI Round Rod Stock
Diameter Range: 3mm - 100mm
Standard Lengths: 300mm, 1200mm long
Colors: Natural (amber/tan), Black
Grades: Unfilled, Glass-filled, Bearing grade
Form: Solid round bars
📐 PAI Sheet Stock
Standard Size: 300mm×300mm plates
Thickness Range: 6mm - 100mm
Custom Cutting: To your specifications
Surface: Smooth machined finish
Colors: Natural (amber/tan), Black
⭕ PAI Tube Stock
OD Range: 25mm - 200mm
Wall Thickness: 5mm - 25mm
Standard Length: 1200mm long
Custom Lengths: Available on request
Tolerances: ±0.1mm standard
Complete PAI Plastic Fabrication & Processing Services
Full-service polyamide-imide machining and fabrication capabilities under one roof
Why Engineers Choose BeePlastic for PAI Solutions
15+
Years PAI Experience
10,000+
PAI Parts Delivered
98.5%
On-Time Delivery
24hr
Quote Response
🎯 Our PAI Machining Precision Guarantee
Every polyamide-imide component we produce maintains ±0.03mm (±0.0012") dimensional tolerance, verified through comprehensive CMM inspection. We provide full documentation including material certifications, dimensional reports, and first article inspection for critical PAI parts.
Frequently Asked Questions About PAI Polyamide-Imide
Ready to Solve Your High-Performance Engineering Challenges?
Join thousands of engineers who trust BeePlastic for premium PAI polyamide-imide solutions
📧 Email: beeplastic@beeplastic.com
⚡ Response within 24 hours • 🚚 Global shipping available
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At BeePlastic, we offer precision cutting and machining to produce sheets and rods that perfectly fit your project's specific dimensions and requirements.
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