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Tubes

FS_FC_Fabricated Products_Packaging Tubes 01

Our tubes are used in a variety of applications or products, such as:

Automotive filters
Aerospace filters
Healthcare filters
Fuel cells

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Heat-slit tubes

Fabrics, single and multilayer, can be heat-slit into tube configurations. Tubes are made by slitting two layers of fabric together with a heated knife, creating two flat seams at either side of the tube. Heat-slit fabric edges are melted or fused together to increase durability and to decrease fraying. The heat-slit seam has a limited strength and should be used as a transport seam only, e.g. for injection molding.

FS_Production_Fabrication_Heat slit edge

Product forms

All fabrics with thread diameters < 250 µm and mesh openings < 500 µm can be heat slit

Heat-slit tubes are specified by having a defined inner diameter. Diameters range from 8 - 320 mm

The inner diameter of the heat-slit tube does not equal the flat width of the the tube itself. The effect of welded 'wings' on either side has to be taken into consideration. The width depends on the mesh type

Make-up

Tubes are wound onto standard cores (polyester discs) which have an inner square hole of 30 x 30 mm
and an outer diameter of 61 mm

Upon request tubes can also be rolled onto ABS rings with a inner diameter of 76 mm (3").

Depending on fabric type and tube dimensions, roll length of up to 500 m are possible.

FS_FC_Fabricated Products_Packaging Tubes 02

Packaging / labeling

Tube rolls are packed into sealed PE bags

Heat-slit tubes made of SEFAR MEDIFAB fabrics are double bagged

The label contains the following information:
manufacturer, material, dimensions (diameter in mm, length in m), manufacturing date, order number, roll number

Ultrasonically welded tubes

Fabrics, single and multilayer, can be ultrasonically welded into tube configurations. Tubes are made with one overlapping ultrasonic weld. Welds are accurate, clean and are made without the introduction of secondary material to the weld.

FS_FC_Fabricated Products_Tubes, ultrasonically welded 01

Product forms

All fabrics having thread diameters < 250 µm and mesh openings < 500 µm can be ultrasonically welded

Tube diameters range from 2 - 250 mm

Make-up

Tubes are wound onto standard cores

Polyester discs have an inner square hole
30 x 30 mm and an outer diameter of 61 mm

Depending on fabric type and tube dimensions,
roll length of up to 700 m are possible

Packaging / labeling

Tube rolls are packed into PE bags that are
closed by welding

The label contains the following information:
manufacturer, material, dimensions (diameter
in mm, length in m), manufacturing date,
order number, roll number

Tubes, cut to length

Tubes, cut to length, are segments cut from woven, ultrasonically welded or heat-slit tubes.

Product forms

Laser cutting provides heat-sealed, non-fraying edges. Tube diameters range from 2 to 80 mm, lengths range
from 10 to 500 mm.

Cold cutting provides non-sealed edges that may fray. Diameters range from 80 mm to 125 mm,
lengths range from 10 to 1000 mm.

Packaging / labeling

Tube segments are packed into PE bags that
are sealed by welding.

Tube segments made of SEFAR MEDIFAB fabrics are double bagged.

The label contains the following information:
manufacturer, material, dimensions (diameter in mm, length in m), manufacturing date, order number, roll number, number of pieces per bag.