PTFE Syringe Tubing

These 12" lengths of PTFE syringe tubing offer an excellent means to access the bottom of small inner diameter NMR tubes, allowing void-free filling with viscous solvents such as DMSO- d6 or deuterium oxide.

Likewise, this syringe tubing permits easy retrieval of sample solutions from small diameter NMR tubes, or through the narrow orifice of valved NMR tubes, for example.

The flexible, totally inert and chemically resistant PTFE tubing is supplied with a female Luer-lock hub on one end and a raw cut on the opposite end. The tubing can easily be cut and shortened to any desired length.

The Luer-lock hub fits the above syringes, or any other syringes having a male Luer taper connection, whether of the locking type or slip-tip type.

The Luer-lock hub, made from Kel-F® (also known as PCTFE, or polychlorotrifluoroethylene), has excellent chemical resistance, mechanical strength and deformation resistance.

The PTFE and Kel-F® materials of construction are virtually impervious to all common solvents, making the assembled syringe tubes washable and reusable many times over.

In the table below, several different gauge diameters of PTFE tubing are presented, allowing use with all NORELL® NMR tubes except 1mm O.D. The individual sizes may be purchased separately, or as a kit containing one of each size. Please note that, upon request, other gauge sizes from 30 to 7 are available, as well as custom lengths having a female hub on one end only or on both ends.

PTFE Syringe Tubing, 12" Long, Kel-F® Female Luer-lock Hub on One End

Item No.

Recommended MinimumSize NMR Tube

Tubing Size
(Gauge Number)

Nominal O.D.
(inch)

Nominal O.D.
(mm)

Nominal I.D.
(inch)

Nominal I.D.
(mm)

NDL-PTFE-28X12

1.5mm O.D. thin wall tubes

28

0.033

0.84

0.015

0.38

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NDL-PTFE-24X12

1.7mm O.D. thin wall tubes

24

0.040

1.02

0.022

0.56

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NDL-PTFE-22X12

2.0mm O.D. thin wall tubes

22

0.046

1.17

0.028

0.71

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NDL-PTFE-17X12

2.5mm O.D. thin wall tubes, High Pressure Valved tubes

17

0.071

1.80

0.047

1.19

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NDL-PTFE-16X12

3.0mm O.D. thin wall tubes, 5.0mm O.D heavy wall tubes

16

0.077

1.96

0.053

1.35

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NDL-PTFE-12X12

5.0 & 4.0mm O.D. thin wall, 5.0mm O.D. medium wall and all larger size tubes

12

0.109

2.77

0.085

2.16

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Item Name

NDL-PTFE-28X12 PFTE Syringe Tubing, 12" Long, Gauge No. 28, Recommended Minimum Size 1.5mm O.D. Thin Wall Tubes

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Item No.:

NDL-PTFE-28X12

Tubing Size
(Gauge Number):

28

Nominal O.D.
(inch):

0.033

Nominal O.D.
(mm):

0.84

Nominal I.D.
(inch):

0.015

Nominal I.D.
(mm):

0.38

Recommended Minimum Size NMR Tube:

1.5mm O.D. thin wall tubes

NDL-PTFE-24X12 PFTE Syringe Tubing, 12" Long, Gauge No. 24, Recommended Minimum Size 1.7mm O.D. Thin Wall Tubes

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Item No.:

NDL-PTFE-24X12

Tubing Size
(Gauge Number):

24

Nominal O.D.
(inch):

0.040

Nominal O.D.
(mm):

1.02

Nominal I.D.
(inch):

0.022

Nominal I.D.
(mm):

0.56

Recommended Minimum Size NMR Tube:

1.7mm O.D. thin wall tubes

NDL-PTFE-22X12 PFTE Syringe Tubing, 12" Long, Gauge No. 22, Recommended Minimum Size 2.0mm O.D. Thin Wall Tubes

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Item No.:

NDL-PTFE-22X12

Tubing Size
(Gauge Number):

22

Nominal O.D.
(inch):

0.046

Nominal O.D.
(mm):

1.17

Nominal I.D.
(inch):

0.028

Nominal I.D.
(mm):

0.71

Recommended Minimum Size NMR Tube:

2.0mm O.D. thin wall tubes

NDL-PTFE-17X12 PFTE Syringe Tubing, 12" Long, Gauge No. 17, Recommended Minimum Size 2.5mm O.D. Thin Wall Tubes and High Pressure Valved Tubes

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Item No.:

NDL-PTFE-17X12

Tubing Size
(Gauge Number):

17

Nominal O.D.
(inch):

0.071

Nominal O.D.
(mm):

1.80

Nominal I.D.
(inch):

0.047

Nominal I.D.
(mm):

1.19

Recommended Minimum Size NMR Tube:

2.5mm O.D. thin wall tubes, High Pressure Valved tubes

NDL-PTFE-16X12 PFTE Syringe Tubing, 12" Long, Gauge No. 16, Recommended Minimum Size 3.0mm O.D. Thin Wall Tubes and 5.0mm O.D. Heavy Wall Tubes

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Item No.:

NDL-PTFE-16X12

Tubing Size
(Gauge Number):

16

Nominal O.D.
(inch):

0.077

Nominal O.D.
(mm):

1.96

Nominal I.D.
(inch):

0.053

Nominal I.D.
(mm):

1.35

Recommended Minimum Size NMR Tube:

3.0mm O.D. thin wall tubes, 5.0mm O.D heavy wall tubes

NDL-PTFE-12X12 PFTE Syringe Tubing, 12" Long, Gauge No. 12, Recommended Minimum Size 5.0mm and 4.0mm O.D. Thin Wall, 5.0mm O.D. Medium Wall and All Larger Size Tubes

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Item No.:

NDL-PTFE-12X12

Tubing Size
(Gauge Number):

12

Nominal O.D.
(inch):

0.109

Nominal O.D.
(mm):

2.77

Nominal I.D.
(inch):

0.085

Nominal I.D.
(mm):

2.16

Recommended Minimum Size NMR Tube:

5.0 & 4.0mm O.D. thin wall, 5.0mm O.D. medium wall and all larger size tubes

NDL-PTFE-KITX12 (contains one each of the above items)

Suitable for all above sizes (Except 1.0mm O.D.)

One each of the above sizes

As per Above

As per Above

As per Above

As per Above

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NDL-PTFE-KITX12 PFTE Syringe Tubing, 12" Long, Kit Contains Gauge Nos. 28, 24, 22, 17, 16, 12, Recommended Minimum Size 1.5mm Thin Wall Tubes, Suitable for All Larger Size Tubes

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Item No.:

NDL-PTFE-KITX12 (contains one each of the above items)

Tubing Size
(Gauge Number):

One each of the above sizes

Nominal O.D.
(inch):

As per Above

Nominal O.D.
(mm):

As per Above

Nominal I.D.
(inch):

As per Above

Nominal I.D.
(mm):

As per Above

Recommended Minimum Size NMR Tube:

Suitable for all above sizes (Except 1.0mm O.D.)

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PO Box 1707
Morganton, NC 28680
USAPhone:  +1 828 584 2600
Fax:  +1 828 584 2604

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