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polyimide sheet
pi sheets
Polyimide Sheets

We provide & service of

Polyimide sheets is a high temperature resistance, insulation, anti-static plastic sheet.
As polyimide sheets manufacturers, we have rich experience in producing and processing vespel plastic sheet.
We can choose SP-1(nature pi ) and SP -21(with 15% graphite-filled) vespel plastic sheet to provide you with abundant choices. If you have any needs, please contact us!

Color

Natural amber, Black, other colors can be custmoized

Polyimide sheets Performance Advantages

high-temperature resistance
Typically, polyimide sheets decomposes at over 500°C, usable for a long time in the temperature range of -269 to 400 °C (suitable for high-temperature environments).
mechanical properties
Normally the tensile strength of an unreinforced polyimide sheet is above 100 MPa.
Electrical properties
The dielectric constant of the polyimide sheets is approximately 3.4 and could be reduced to about 2.5 by fluorine atoms introduced to the material, which is a suitable material for electrical insulation materials.
Chemical Resistance
It has a good tolerance to most organic solvents and acids.
Radiation Resistance
Under high-dose radiation, polyimide sheets can still maintain strength; this design is well suited for use in fields, such as space and nuclear energy.
Self-extinguishing
The polyimide sheets is a low smoke rate, self-extinguishing material that meets the needs for high fire protection applications.
dimensional stability
Polyimide sheets shows good dimensional stability under high temperature and humidity changes, and should be applicable for making precision parts.
wear resistance
Ideal for friction parts such as bearings and seals and performs well under nonlubricated conditions.
processing performance
Different manufacturing needs can be met through different processing methods commonly available to vespel plastic sheet, such as machining, laser cutting, etc.
Environmentally friendly
Polyimide vespel plastic sheet are poison-free and recyclable, in compliance with the environmental protection requirements.

Processing of Polyimide Sheets

Machining

Cutting, drilling, etc., can be done with conventional lathes and milling machines, but you have to use the right tools; otherwise, the material can overheat.

Laser cutting

If the shapes are too complex, laser cutting can be used to assure cutting accuracy.

Heat treatment

Heat treatment can also be done to enhance material properties.

General Client Question

  1. To avoid moisture and extreme temperatures, Keep it in a dry, cool place away from sunlight.
  2. Prevent physical damage: Do not store under heavy pressure or collision that would deform or damage material.
  3. Keep clean: Dust or chemical contamination of the storage environment should be checked regularly.
    Processing methods.

  1. High cost: The relatively high production cost of polyimide Plaque limits their use in applications where other materials may be more economical and practical.
  2. Processing difficulty: Polyimide sheets is very difficult to handle in mechanical processing, which has special mechanical equipment and Technologies, and conventional tools may not be effective in processing, hence low processing efficiency.
  3. Poor hydrolysis resistance: Hydrolytic tolerance of polyimide plaque varieties is poor and long-term contact with humidity can lead to performance degradation.
  4. Brittleness: In low temperature/high temperature and extreme conditions, the polyimide plaque can be brittle and easy to break.
  5. Intolerant to strong alkalis: Polyimide sheets possesses good tolerance to general acids and organic solvents but poor tolerance to strong alkalis and is therefore not suitable for some chemical environments.

+-2mm

Properties Temperature Test Standard Unit Natre-PI Graphite-PI
Color - - Brown Black
Density GB1033 g/cm³ 1.38-1.42 1.42-1.45
Tensile Strength 23℃ GB/T1040-2006 MPa 85 89
Tensile Strength 260℃ GB/T1040-2006 MPa 49.4 54
Elongation at Break 23℃ GB/T1040-2006 % 6.3 3.7
Elongation at Break 260℃ - - - -
Tensile Modulus 23℃ GB/T1040-2006 MPa 3140 4400
Tensile Modulus 260℃ GB/T1040-2006 MPa - -
Flexural Strength 23℃ GB/T1040-2000 MPa 110 137
Flexural Strength 260℃ GB/T1040-2000 MPa 60 99
Flexural Modulus 23℃ GB/T1040-2000 MPa 2990 4500
Flexural Modulus 260℃ GB/T1040-2000 MPa 1640 3000
Compress Strength 23℃ GB/T1040-2000 MPa 135 124
Compress Strength 260℃ GB/T1040-2000 MPa 83.8 100
Compress Modulus 23℃ GB/T1040-2000 MPa 1620 1600
Compress Modulus 260℃ GB/T1040-2000 MPa 1410 1400
Izod Unotched Strength 23℃ GB/T16420-1996 Kj/m² 83.2 45
Izod Unotched Strength 260℃ - - - -
Coefficient of Linear 296-573K µm/m/°C 53 49
Deflection Temperature GB/T 1634.2 >360 >360
Surface Resistivity GB1410 Ω 10¹⁴ -
Volume Resistivity GB1410 Ω·cm 10¹⁵ -
Dielectric Strength - KV/mm 22 -
Dielectric Constant - - 3.6 -

NO Size Thickness
1 140x205mm 10-40mm
2 158x148mm 10-20mm
3 205x205mm 10-30mm
4 305x157mm 10-30mm
5 305x128mm 10-70mm
6 305x305mm 10-50mm

Our certifications

Get In Touch with BW PEEK

ZHEJIANG BW INDUSTRY CO .,LTD
Address:ADD:NO 77,YONGXING WEST ROAD,YOUBUTOWN, LANXI CITY,ZHEJIANG PROVINCE,CHINA
EMAIL: sales@peekmaterials.com
PHONE NO:+86-13868966491
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