PI

PI Material

Polyimide (PI)

Overview: commonly known as polyimide (PI), is an aromatic heterocyclic polymer compound whose molecular structure contains imide based links.
Product characteristics: excellent mechanical properties, wear resistance, excellent heat resistance, good radiation resistance, good chemical stability, flame retardant.
Application: aviation, automobile, electronic appliances, industrial machinery, etc.
Color: natural, black.
Performance parameter table
 Projects Standard Unit Numerical value
Density ASTM D792 g/cm³

1.42
Yield tensile strength ASTM D638 Mpa 90
elongation at break ASTM D638 % 10
bending strength

ASTM 790

Mpa

 110
Flexural modulus

ASTM 790

Mpa

 3000
Rockwell hardness

ASTM D785

 48
Charpy impact strength

GB 1043

KJ/M2

 80
melting point

DSC

℃

 500
Thermal deformation temperature

ASTM D648

 ℃

 330
Long term operating temperature

-

 ℃

 310
Short term operating temperature

-

℃

 330
Coefficient of linear expansion

 ASTM D696

 Um/m/K

 55
Dielectric strength

ASTM D150

 KV-mm

 100

dielectric loss coefficient

ASTM D150

-

 0.018

Bulk resistance

ASTM D257

Ω.cm 

1015

Surface resistance

ASTM D257

Ω 

1017

Dielectric constant

 ASTM D149

 -

 3.5

Equilibrium water absorption

23℃ 60%RH

%

 0.24

Hot water resistance

23℃ 60%RH

 

 +

Combustibility

UL 94

 

V-0

Friction coefficient

EEC 90/128 FDA 

 

 +

UV resistant

 -

 

 +

Note: 1. "+" can be tolerated, "-" cannot be tolerated, "0" depends on the situation.
2. The above data are obtained from the raw material test data, and the performance of the finished product is not exactly the same, do not guarantee the uniqueness of the data.

BeePlastics has been in the plastics industry for over 20 years and is one of many plastics manufacturers that produce, and process high quality products using PI materials and provide quality plastics solutions to companies around the world. Contact BeePlastics today to learn more about PI materials and our Bee Plastics services.

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