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Vespel® SP-221 DF

PARTS & SHAPES

Graphite Powder

Supplied by DuPont Performance Polymers

The technical datasheet with complete property values for Vespel® SP-221 DF is available to members of the Prospector Plastics Database.
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Product Description
Parts from graphite filled PI (polyimide) with Teflon® for highly specialized applications against soft metals in no-lube conditions.
General  
Material Status 
  • Commercial: Active
Availability 
  • Asia Pacific
  • Europe
  • North America
Filler / Reinforcement 
  • Graphite Powder
Additive 
  • Flame Retardant
  • Heat Stabilizer
  
Features 
  • Flame Retardant
  • Heat Stabilized
  
RoHS Compliance 
Physical
Nominal Value
Unit
Test Method
Specific Gravity
 
 ASTM D792
Mechanical
Nominal Value
Unit
Test Method
Tensile Strength (73°F)
psi
 ASTM D638
Tensile Elongation (Break, 73°F)
%
 ASTM D638
Flexural Modulus
     ASTM D790
73°F
psi
  
500°F
psi
  
Flexural Strength
     ASTM D790
73°F
psi
  
500°F
psi
  
Compressive Strength (73°F)
psi
 ASTM D695
Flammability
Nominal Value
Unit
Test Method
Flame Rating - UL (0.0295 in)
 
 UL 94
Flammability Classification (0.0295 in)
 
 IEC 60695-11-10, -20
UL
Nominal Value
Unit
Test Method
RTI Str (0.0295 in)
°F
 UL 746
RTI Imp (0.0295 in)
°F
 UL 746
RTI Elec (0.0295 in)
°F
 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-221 DF, Vespel SP221 DF, Vespel® , Vespel, VespelSP221DF, SP, SP-221 DF, SP221 DF, SP:221 DF, SP/221 DF, SP+221 DF, SP_221 DF, SP 221 DF, SP221, 221DF, SP221DF, SP_221DF, Polyimide, Thermoset, Polyimide Thermoset, PI, TS, PI TS, Thermoset, TS, DuPont, PolyimideThermoset, PITS, 221SP
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.
 
IDES
Copyright © 2012 IDES
The information presented on this datasheet was acquired by IDES from the producer of the material. IDES makes substantial efforts to assure the accuracy of this data. However, IDES assumes no responsibility for the data values and strongly encourages that upon final material selection, data points are validated with the material supplier.