FEP Transparent Tubing

Transparent, flexible and chemically resistant FEP tubing for laboratory fluid transfer, reagents, solvents and scientific instrumentation. Available in selected metric and fractional-inch sizes with 1 m, 5 m and 10 m length options.

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S4R FEP Transparent Tubing is designed for reliable fluid transfer in laboratory, electrochemical and chemical-handling applications. FEP combines broad chemical resistance with high transparency, allowing convenient visual monitoring of liquids and gases during use. Its smooth, flexible fluoropolymer construction is well suited to laboratory equipment, analytical instrumentation and fluid-handling systems where chemical compatibility and visibility are required. Selected metric and fractional-inch sizes are available to support common laboratory and instrumentation tubing configurations.

Key Features

✓ Transparent FEP fluoropolymer construction

✓ Broad resistance to many chemicals, acids and solvents

✓ High transparency for visual monitoring of fluid flow

✓ Smooth, low-friction and non-wetting surface

✓ Service temperature range from −80 to +200 °C*

✓ Metric and fractional-inch sizes with 1 m, 5 m and 10 m length options

Typical Applications

• Laboratory liquid and reagent transfer

• Solvent and chemical handling

• Electrochemical and battery research equipment

• Analytical and scientific instrumentation

• Gas and liquid transfer lines

• Applications requiring visual flow monitoring

Technical Specifications

Material	FEP (Fluorinated Ethylene Propylene)
Tubing Type	Smooth flexible tubing
Tube Sizing	Metric / Fractional Inch
Size Designation	Outside Diameter × Inside Diameter (OD × ID)
Appearance	Clear / transparent
Flexibility	Flexible
Shore Hardness	D55–60
Surface Characteristics	Smooth, low-friction and non-wetting
Service Temperature Range*	−80 to +200 °C
Heat Weldability	Heat-weldable / melt-sealable
Chemical Resistance	Broad resistance to many acids, solvents and chemical media
Available Lengths	1 m / 5 m / 10 m

Available Sizes & Dimensions

Metric Sizes

Tubing Size (OD × ID)	Outside Diameter (OD)	Inside Diameter (ID)	Wall Thickness	Available Lengths
Ø3 × 2 mm	Ø3 mm	Ø2 mm	0.5 mm	1 / 5 / 10 m
Ø4 × 3 mm	Ø4 mm	Ø3 mm	0.5 mm	1 / 5 / 10 m
Ø6 × 4 mm	Ø6 mm	Ø4 mm	1.0 mm	1 / 5 / 10 m
Ø8 × 6 mm	Ø8 mm	Ø6 mm	1.0 mm	1 / 5 / 10 m
Ø10 × 8 mm	Ø10 mm	Ø8 mm	1.0 mm	1 / 5 / 10 m
Ø12 × 10 mm	Ø12 mm	Ø10 mm	1.0 mm	1 / 5 / 10 m

Fractional-Inch Sizes

Nominal Size	Tubing Size (OD × ID)	Outside Diameter (OD)	Inside Diameter (ID)	Wall Thickness	Available Lengths
1/8"	Ø3.17 × 1.58 mm	1/8" (Ø3.17 mm)	Ø1.58 mm	0.80 mm	1 / 5 / 10 m
1/4"	Ø6.35 × 3.96 mm	1/4" (Ø6.35 mm)	Ø3.96 mm	1.20 mm	1 / 5 / 10 m
3/8"	Ø9.52 × 6.35 mm	3/8" (Ø9.52 mm)	1/4" (Ø6.35 mm)	1.59 mm	1 / 5 / 10 m
1/2"	Ø12.70 × 9.60 mm	1/2" (Ø12.70 mm)	Ø9.60 mm	1.55 mm	1 / 5 / 10 m

Wall thickness is calculated from the nominal OD and ID values. Dimensions are nominal. Metric and fractional-inch tubing follow separate dimensional standards and should not be considered interchangeable. Verify tubing and fitting compatibility before critical installations.

Package Contents

1×

FEP Transparent Tubing

Selected tubing size and length

Chemical & Installation Compatibility

FEP provides broad chemical resistance, but actual compatibility and operating limits depend on the chemical medium, concentration, temperature, pressure, tubing dimensions, fittings and installation conditions. The stated −80 to +200 °C range should not be interpreted as a universal continuous operating range for every application. Metric and fractional-inch tubing follow separate dimensional standards and must be matched with compatible fittings. For pressurized, vacuum-critical or safety-critical systems, verify the complete installation under the intended operating conditions before use.

FEP Transparent Tubing

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Pricing available to approved customers

Key Features

Typical Applications

Key Features

Typical Applications

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