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Vespel® SP-21
Vespel® SP-21 has 15% graphite by weight added for increased wear resistance and reduced friction in applications such as bearings, thrust washers, bushings, seal rings, slide blocks and other wear applications. Vespel SP-21 has the highest mechanical properties of the graphite filled grades.
If insulation is less important than low-friction properties, then you're looking for graphite-enhanced SP-21.
Vespel SP-21 Meets GE A50 TF146 Class B
Meets ASTM-D 6456-99 Ty 2, Class 1 (superceeded ASTM-D6456-99)
Meets AMS 3644 Class 2
Meets Mil-P-46198 Type 2, Class
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Vespel® SP-21 offers:
15% graphite added for increased wear resistance & reduced friction
SP-21 has the highest mechanical properties of the graphite filled grades
Standard Vespel Rods are: 38" (965mm) or 9.5" long (241mm)
Standard Vespel Plates are: 10" x 10", 5" x 10", 5" x 5"
Please call us or e-mail your requests for pricing.
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