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PI Sheet

Sheet in PI 750x300 mm brown

Item no. P3047689 2.7 kg
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  • Thickness

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PI, that is polyimide, is the most heat resistant plastic we sell. The brown grade carries most of the range and is the natural choice when the temperature knocks out ordinary engineering plastics.

Polyimide is amorphous and therefore has no melting point. The brown grade is dimensionally stable up to 319 degrees and has a tensile strength of 130 MPa. It does not burn, but matches fire rating UL 94 V-0. That is pure heat resistance, without glass fiber or carbon fiber holding it up.

PI insulates electrically and holds 34.3 kV per millimeter in the brown grade. The clearest weakness is moisture: the material takes up water and is sensitive to hydrolysis, that is hot water and steam. Where it gets to sit dry and hot, on the other hand, it is hard to beat.

This sheet in PI is 750x300 mm in brown, a format that suits wear plates, sliding surfaces and bearing blanks that are then cut or machined to size.

Do you need technical documentation? Call us directly.

Technical specifications

Format
Platta
Property Value Unit Test standard
Density & Weight
Density 1,38 g/cm³ ISO 1183
Tensile Properties
Yield Stress 130 MPa ISO 527-2
Tensile Modulus of Elasticity 3600 MPa ISO 527-2
Tensile Strain at Break 8 % ISO 527-2
Flexural Properties
Flexural Strength 177 MPa ISO 178
Flexural Modulus of Elasticity 3600 MPa ISO 178
Impact Resistance
Charpy Notched Impact Strength 9,3 kJ/m² ISO 179
Charpy Unnotched Impact Strength 87,9 kJ/m² ISO 179
Hardness
Shore D Hardness 90 Shore D Shore D
Ball Indentation Hardness 260 MPa ISO 2039-1
Compressive Properties
Compressive Strength 170 MPa ISO 604
Compressive Modulus 3430 MPa ISO 604
Temperature Limits
Max. Continuous Service Temperature 290 °C
Glass Transition Temperature 352 °C ISO 3146
Thermal Conductivity
Thermal Conductivity 0,22 W/(m·K) DIN 52612
Thermal Expansion
Coefficient of Linear Thermal Expansion 4,4 x 10⁻⁵ ISO 11359-2
Insulation Properties
Dielectric Strength 34,3 kV/mm IEC 60243-1
Static Dissipation
Surface Resistivity 10¹⁵ IEC 60093
Flammability Rating
Flammability Rating (UL 94) UL 94 V-0, motsvarande UL 94

Värdena ovan är genomsnitt från statistiska tester som görs löpande. De anges som information och är inte bindande, om inte annat uttryckligen avtalats i ordererkännandet. För batchspecifika värden kan PlastShop tillhandahålla ett EN 10204-2.2-certifikat.