Vespel SP-21 DF DuPont Polyimide, Thermoset (Graphite Powder, 15%)

Product Description

Parts from nominal 15% (wt) graphite filled PI (polyimide) for improved wear resistance and long term thermal stability

General

Material Status

Commercial: Active

Availability

Asia Pacific

Europe

North America

Filler / Reinforcement

Graphite Powder, 15% Filler by Weight

Additive

Flame Retardant

Heat Stabilizer

Features

Flame Retardant

Heat Stabilized

RoHS Compliance

Part Marking Code (ISO 11469)

>PI-CD15<

Resin ID (ISO 1043)

PI-CD15

Physical	Nominal Value	Unit	Test Method
Specific Gravity
--			ASTM D792
--		g/cm³	ISO 1183
Water Absorption (Equilibrium, 73°F, 50% RH)		%	ASTM D570
Mechanical	Nominal Value	Unit	Test Method
Tensile Modulus (73°F)		psi	ISO 527-2
Tensile Stress
Break, 73°F		psi	ISO 527-2
73°F		psi	ASTM D638
500°F		psi	ASTM D638
Tensile Elongation
Break, 73°F		%	ASTM D638
Break, 500°F		%	ASTM D638
Break, 73°F		%	ISO 527-2
Flexural Modulus			ASTM D790
73°F		psi
500°F		psi
Flexural Strength			ASTM D790
73°F		psi
500°F		psi
Impact	Nominal Value	Unit	Test Method
Notched Izod Impact (73°F)		ft·lb/in	ASTM D256
Thermal	Nominal Value	Unit	Test Method
Deflection Temperature Under Load (264 psi, Unannealed)		°F	ASTM D648, ISO 75-2/A
Electrical	Nominal Value	Unit	Test Method
Surface Resistivity		ohms	ASTM D257
Volume Resistivity (73°F)		ohm·cm	ASTM D257
Dielectric Strength² (73°F, 0.0787 in)		V/mil	ASTM D149
Dielectric Constant			ASTM D150
73°F, 100 Hz
73°F, 10 kHz
73°F, 1 MHz
Dissipation Factor			ASTM D150
73°F, 100 Hz
73°F, 10 kHz
73°F, 1 MHz
Comparative Tracking Index		V	IEC 60112
Flammability	Nominal Value	Unit	Test Method
Flame Rating - UL			UL 94
0.0295 in
0.0591 in
0.118 in
0.0630 in
Flammability Classification			IEC 60695-11-10, -20
0.0295 in
0.0591 in
0.0630 in
0.118 in
UL	Nominal Value	Unit	Test Method
RTI Str			UL 746
0.0295 in		°F
0.0591 in		°F
0.118 in		°F
RTI Imp			UL 746
0.0295 in		°F
0.0591 in		°F
0.118 in		°F
RTI Elec			UL 746
0.0295 in		°F
0.0591 in		°F
0.118 in		°F
Comparative Tracking Index (CTI) (0.118 in)		V	UL 746
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: Vespel® SP-21 DF, Vespel SP21 DF, Vespel® , Vespel, VespelSP21DF, SP, SP-21 DF, SP21 DF, SP:21 DF, SP/21 DF, SP+21 DF, SP_21 DF, SP 21 DF, SP21, 21DF, SP21DF, SP_21DF, Polyimide, Thermoset, Polyimide Thermoset, PI, TS, PI TS, Thermoset, TS, DuPont, PolyimideThermoset, PITS, 21SP
Features
Features may also be described by the following terms: Heat Stabilized, Heat-ageing Stabilized, Heat Ageing Stabilized, Heat-aging Stabilized, Heat Aging Stabilized.

Notes

¹Typical properties: these are not to be construed as specifications.

²Method A (Short-Time)

Vespel® SP-21 DF

PARTS & SHAPES

Graphite Powder, 15%

Supplied by DuPont Performance Polymers