Polyimide grades vary significantly by chemistry and production process; confirm the exact grade, form, dimensions and TDS.
HIGH-PERFORMANCE PLASTICS
PI / Polyimide Sheets, Rods & Custom Components
SHEETRODCUT-TO-SIZE BLANKSCNC MACHINED PARTS
CONFIRM AVAILABILITY FOR EACH GRADE
MATERIAL OVERVIEW
What Is PI / Polyimide?
Specialty high-temperature polymer selected for demanding thermal and wear applications. Yigao supports material selection, stock shapes, cut-to-size supply and CNC machining for international industrial buyers.
POLYMER FAMILYPolyimide
AVAILABLE FORMSSHEET · ROD · CUT-TO-SIZE BLANKS · CNC MACHINED PARTS
AVAILABLE GRADES
Unfilled
Graphite-filled
Other specialty compounds where available
GRADE AVAILABILITY, FORMS AND SPECIFICATIONS ARE CONFIRMED WITH YOU BEFORE EVERY ORDER.
SPECIFICATIONS
| Grade / Family | Color | Sheet Thickness | Rod Diameter | Standard Length | Custom Size | Lead Time |
|---|---|---|---|---|---|---|
| Unfilled | Brown / Black | 0.5–60 mm | Ø3–150 mm | Sheet 610×1220 / 1000×2000 mm · rod 1000 mm | Cut-to-size blanks & CNC parts to drawing | Ex-stock to 15 days; non-stock sizes quoted |
| Graphite-filled | Black | 0.5–60 mm | Ø3–150 mm | Sheet 610×1220 / 1000×2000 mm · rod 1000 mm | Cut-to-size blanks & CNC parts to drawing | Ex-stock to 15 days; non-stock sizes quoted |
ALL SPECIFICATION ENTRIES ARE VERIFIED AND CONFIRMED WITH YOU BEFORE EVERY ORDER.
KEY PROPERTIES (TYPICAL)
Density (typ.)~1.42 g/cm³ (compression-molded)
Tensile strength (typ.)~70–120 MPa
Continuous service temperature (typ.)~250+ °C
TYPICAL REFERENCE VALUES FOR THE MATERIAL FAMILY — EXACT VALUES DEPEND ON GRADE AND MANUFACTURER.
STANDARD SIZES
Standard stock covers sheet thickness 0.5–60 mm and rod diameters Ø3–150 mm. Common sheet formats are 610×1220 mm and 1000×2000 mm; standard rod length is 1000 mm. Cut-to-size blanks and machined parts are supplied to drawing; availability is confirmed per order.
WHY SOURCE PI THROUGH YIGAO
Why Choose PI / Polyimide?
Specialty high-temperature polymer selected for demanding thermal and wear applications.
APPLICATIONS
Typical Applications
High-temperature wear components
Electrical insulation
Precision industrial parts
Application suitability depends on the actual grade and operating conditions. ENGINEERING PLASTICS ARE SELECTED ACCORDING TO OPERATING ENVIRONMENT, MECHANICAL PERFORMANCE, TEMPERATURE, CHEMICAL EXPOSURE AND REGULATORY REQUIREMENTS.
BEFORE YOU ORDER
What Buyers Should Confirm Before Ordering
QUALITY
Quality & Repeat-Order Consistency
For PI / Polyimide, a good first sample is only the beginning. We review the agreed grade, dimensions, surface requirements and inspection needs before supply. Where applicable, we can coordinate documentation, packaging identification and final pre-shipment checks. Specific inspection methods and acceptance criteria are confirmed for each order.
MACHINING
From Stock Shapes to CNC Components
Need more than PI / Polyimide sheets or rods? Share your drawing, material grade, quantity and tolerance requirements. Yigao can review the feasibility of supplying cut blanks or finished CNC components, with inspection and export packing coordinated for your project.
CNC MILLINGCNC TURNINGPROTOTYPE
SMALL BATCHPRODUCTION RUNCOMPLEX PLASTIC COMPONENTS
TO YOUR DRAWING — PDF / STEP / DWG / DXF.
RELATED MATERIALS
Related Materials & Comparisons
FAQ
Frequently Asked Questions
Do you supply PI / Polyimide sheets and rods?
Available forms and dimensions depend on grade and current production or stock. Send your required size and quantity for confirmation.
Can you machine PI / Polyimide parts from drawings?
Yes, we can review CNC part requirements. Please send drawings, quantities, tolerances and intended application.
Can you provide technical documents for PI / Polyimide?
Grade-specific TDS and available inspection or compliance documents can be confirmed during quotation; documents vary by product and supplier.
How do I request a PI / Polyimide quotation?
Please provide grade, form, dimensions, quantity, application and destination. Attach a drawing if machining is required.
Need PI / Polyimide Material or Finished Parts?
Send us the grade, size, quantity, application or technical drawing. Our team will review your requirements and reply with a practical supply proposal.