DuPont™ Vespel® polyimide parts & shapes have been successfully tested against various industry standards and specifications. Vespel® materials meet ASTM D6456-10 and SAE AMS3644 standard specifications.
Note: ASTM D6456 specification replaced MIL-R-46198, which may be referenced in legacy specifications.
DuPont™ Vespel® materials meet the requirements of ASTM D6456 and SAE AMS3644 standards.
|
Vespel® Grade |
Manufacturing Process |
ASTM D6456 Classification |
SAE AMS3644 Classification |
|---|---|---|---|
|
Vespel® SP-1 |
Isostatic Shapes |
Type I, Form M |
Class 1, Form M |
|
Vespel® SP-1 |
Plaque (Sheets) |
Type I, Form P |
Class 1, Form P |
|
Vespel® SP-1 |
Direct-Formed Parts |
Type I, Form D |
Class 1, Form D |
|
Vespel® SP-21 |
Isostatic Shapes |
Type II Class 1, Form M |
Class 2, Form M |
|
Vespel® SP-21 |
Plaque (Sheets) |
Type II Class 1, Form P |
Class 2, Form P |
|
Vespel® SP-21 |
Direct-Formed Parts |
Type II Class 1, Form D |
Class 2, Form D |
|
Vespel® SP-22 |
Isostatic Shapes |
Type II Class 2, Form M |
Class 3, Form M |
|
Vespel® SP-22 |
Plaque (Sheets) |
Type II Class 2, Form P |
Class 3, Form P |
|
Vespel® SP-22 |
Direct-Formed Parts |
Type II Class 2, Form D |
Class 3, Form D |
|
Vespel® SP-211 |
Isostatic Shapes |
Type II Class 3, Form M |
Class 4, Form M |
|
Vespel® SP-211 |
Plaque (Sheets) |
Type II Class 3, Form P |
Class 4, Form P |
|
Vespel® SP-211 |
Direct-Formed Parts |
Type II Class 3, Form D |
Class 4, Form D |
|
Vespel® SP-3 |
Isostatic Shapes |
Type III, Form M |
Class 5, Form M |
|
Vespel® SP-3 |
Plaque (Sheets) |
Type III, Form P |
Class 5, Form P |
Note - Plaque (Sheets): Compression-molded Vespel® material supplied in plate form. Customers may also refer to this form as Vespel® sheets.