PEEK Flat Washer
PEEK flat washer is a high-performance engineering plastic spacer component designed to distribute load, reduce surface damage, and provide electrical insulation in precision fastening systems. The PEEK flat washer is manufactured from polyether ether ketone (PEEK), a premium thermoplastic known for excellent mechanical strength, chemical resistance, and high-temperature stability.
The PEEK flat washer is widely used in aerospace assemblies, semiconductor equipment, medical devices, and high-end electronic systems where metal washers may cause corrosion, conductivity issues, or weight concerns. It provides stable support between fastener and substrate, improving assembly reliability and service life.
Product Overview
The PEEK flat washer is engineered for applications requiring non-metallic load distribution and insulation performance. It acts as a protective interface between screws, bolts, and the mounting surface, preventing localized stress and material wear.
This PEEK flat washer performs exceptionally well in corrosive environments and high-temperature conditions while maintaining dimensional stability under mechanical load. Unlike metal washers, it does not rust, deform easily, or conduct electricity, making it ideal for advanced engineering systems.
As a specialized industrial fastener accessory, it is widely used in OEM manufacturing and precision equipment assembly where reliability and material compatibility are critical.
Product Specifications
| Item | Description |
|---|---|
| Product Name | PEEK Flat Washer |
| Material | PEEK (Polyether Ether Ketone) |
| Washer Type | Flat Washer |
| Shape | Round |
| Inner Diameter Range | M2–M12 |
| Outer Diameter Range | Customizable |
| Thickness Range | 0.2mm–3.0mm |
| Color | Natural Beige / Black (optional) |
| Density | ~1.30 g/cm³ |
| Operating Temperature | -50°C to 260°C |
| Electrical Properties | Excellent insulation |
| Chemical Resistance | Excellent resistance to acids and solvents |
| Packaging | Anti-static bag / carton / OEM packaging |
| Customization | Size, thickness, color available |
Technical Parameters
| Parameter | Value |
|---|---|
| Tensile Strength | ~90–100 MPa |
| Compressive Strength | High for polymer spacer use |
| Hardness | Shore D 85–88 |
| Continuous Service Temperature | Up to 260°C |
| Melting Point | ~343°C |
| Dielectric Strength | Excellent insulation performance |
| Water Absorption | <0.1% |
| Chemical Resistance | Strong resistance to acids, bases, oils, solvents |
Materials and Manufacturing Process
The PEEK flat washer is manufactured using precision polymer processing technology to ensure uniform thickness and stable performance.
- Raw material selection: High-purity PEEK resin
- Sheet forming or injection molding: Creation of washer blanks
- Precision punching / CNC machining: Accurate inner and outer diameter shaping
- Annealing treatment: Improves dimensional stability and reduces stress
- Surface finishing: Optional polishing for precision applications
- Inspection: Dimensional accuracy and thickness verification
- Cleaning: Contamination-free processing for sensitive industries
- Packaging: Anti-static and moisture-protected packaging
Each PEEK flat washer is produced under strict quality control to ensure consistency in industrial applications.
Applications of the Product
The PEEK flat washer is widely used across advanced industrial sectors:
- Semiconductor equipment: Wafer handling systems and cleanroom tools
- Medical devices: Surgical instruments and diagnostic assemblies
- Aerospace engineering: Lightweight structural fastening systems
- Electronics industry: PCB insulation and electronic enclosures
- Chemical industry: Corrosion-resistant equipment systems
- Automation systems: Precision mechanical assemblies
- Laboratory equipment: Analytical instruments
- Marine engineering: Anti-corrosion fastening systems
Its insulating and corrosion-resistant properties make it essential in high-precision and high-reliability environments.
Why Choose This Product
- Excellent high-temperature resistance up to 260°C
- Superior chemical and corrosion resistance
- Lightweight structure reduces system weight
- Outstanding electrical insulation performance
- Non-magnetic and non-conductive material
- Prevents surface damage and load concentration
- Stable dimensional performance under pressure
- OEM customization available
- Ideal for precision engineering applications
The PEEK flat washer provides reliable support and insulation for advanced fastening systems.
Why Choose Flybear
Flybear is a professional manufacturer specializing in industrial fasteners and high-performance polymer components.
- Precision machining and molding capabilities
- OEM/ODM customization support
- Stable production for industrial-scale supply
- Strict quality inspection and control systems
- Global export experience
- Engineering consultation for application design
Flybear supports OEM manufacturers, distributors, and engineering companies with reliable fastening solutions.
Quality Inspection and Control
Quality assurance is strictly implemented throughout production:
- Raw material purity testing
- Dimensional accuracy inspection
- Thickness uniformity measurement
- Tensile and compressive strength testing
- Thermal resistance verification
- Chemical resistance evaluation
- Surface quality inspection
- Packaging integrity control
All processes follow ISO-based quality management systems to ensure consistent performance.
Selection Guide
When selecting a PEEK flat washer, consider:
- Inner diameter matching bolt size
- Required thickness for load distribution
- Chemical exposure environment
- Operating temperature range
- Electrical insulation requirements
- Assembly precision needs
Proper selection ensures optimal performance and long-term reliability.
FAQ
1. What is a PEEK flat washer used for?
It is used to distribute load, provide insulation, and protect surfaces in fastening systems.
2. Can it replace metal washers?
Yes, especially in environments requiring insulation, corrosion resistance, or weight reduction.
3. Is PEEK resistant to chemicals?
Yes, it has excellent resistance to acids, solvents, and oils.
4. Does it conduct electricity?
No, PEEK is an excellent electrical insulator.
5. Can custom sizes be produced?
Yes, Flybear supports full customization of dimensions and specifications.
We always adhere to the philosophy of quality first and customer first, providing customers with high-quality fastener products and one-stop fastener solutions.
Contact us for quotation, customization, and technical support via Contact Us.
