Polymer Tubing Tolerances

ETFE and PFA tubing

Tubing OD OD (±) ID (±)
1/16" * 0.05 mm (.002") 0.05 mm (.002")
1/8" 0.10 mm (.004") 0.10 mm (.004")
1/4" 0.10 mm (.004") 0.20 mm (.008")

*Except for 0.20 mm ID EFTE tubing, which has tolerances of ±0.07 for OD and ± 0.08 for wall thickness

FEP tubing

Tubing OD OD (±) ID (±)
1/32" 0.025 mm (.001") 0.025 mm (.001")
1/16" 0.05 mm (.002") 0.05 mm (.002")
1/8" 0.10 mm (.004") 0.10 mm (.004")
1/4" 0.10 mm (.004") 0.20 mm (.008")

PTFE tubing

Tubing OD OD and ID (±)
1/16" 0.05 mm (.002")
1/8" 0.10 mm (.004")
1/4" 0.10 mm (.004")
1/2" 0.20 mm (.008")