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Teflon® PTFE Ball Specifications

Typical Ball Tolerances Available:

Grade 0	+/-.0005	Roundness	.00025 TIR
Grade 1	+/- .001	Roundness	.0005 TIR
Grade 2	+/- .002	Roundness	.001 TIR
Grade 3	+/- .005	Roundness	.005 TIR
Teflon® PTFE Balls available from Applied Plastics Technology, Inc. are typically Grade 2, Matte finish as highlighted in green. Balls are solid, compression molded PTFE. Special requests for sizes, tolerances and/or roundness not specified in this table may also be available. Please email or call us.

Standard Surface Finishes:
	Avg. Roughness, Ra, µin	Blue PTFE Balls Solid, Grade 2, Matte Finish
Tumbled	50 to 60
Matte	40 to 50
Polished	25 to 35
High Polished	10 to 20

Colors:
Custom colors are available. Virgin PTFE material is generally white, but color can be custom blended (prior to molding) to aid in part identication, or for other ornamental purposes. Colors often reflect the type of filler present, if used, such as glass, moly, stainless steel, etc..
	Stainless Steel Filled PTFE, Solid Balls
TEFLON® is a registered trademark of E.I. du Pont de Nemours & Company used under license by Applied Plastics Technology, Inc.

Applied Plastics Technology, Inc. 45 Broad Common Road PO Box 45 Bristol, RI 02809 USA	(800) 752-7082 (401) 253-0200, Fax: (401) 253-0474 email: info@ptfeparts.com
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