Sontek F breathable films

Fatra Sontek®F breathable films – permeable to gases and water vapour but impermeable to water in liquid state – suitable for use in the manufacture of disposable sanitary products – nappies for babies, sanitary towels, incontinence pads/pants and supplies for the chronically ill.

Product advantages

Breathable for gases and vapour, resistant to water permeability in liquid form.
Hygienic without exception, meets standards ČSN EN ISO 10993:5 and 10993:10.

Improvement of user comfort – better skin breathability, reduction of unpleasant side effects such as: skin inflammation, sores, etc.
Tailored to the specific needs of the customer.

Specifications

Fatra Sontek® F breathable films are manufactured from densely filled polyethylene by extrusion technology.
The films are permeable to gases and water vapour but impermeable to water in liquid state.
The films are matt, soft and pleasant to the touch.
It is possible to print up to eight colours on the film.

The flms are hygienic without exception, suitable for hygienic applications, the films are designed for use in the manufacture of disposable sanitary products – nappies for babies, sanitary towels, incontinence pads/pants and supplies for the chronically ill. The films help enhance user comfort – their permeability allows the skin to breathe better, reducing the potential occurrence of undesirable side effects such as rashes, sores etc.

Surface finishes

Customisation options for the films

The colour of the film depends on your requirement.
Drawing ratio 1:1 to 1:5.
Option of corona treatment.
Option of embossing.
Option of anti-microbial treatment.
Cutting.
Lamination with various types of non-woven textile (PP, PES, etc.).

Printing options

Flexographic print of up to 8 colours.
Print up to 3 different motives on one roll.
Registered print. random print.
Maximal print width of 1,270 mm.
Printing optionally on PE, PP, PET materials.

Dimensions

Width (mm)	Base weight (g/m²)	* Breathability (g/m² / 24 hours)
80 – 2000	13 – 40	1000 – 12 000 (Mocon analysis)

* Testing optionally on Mocon or Lyssy equipment

Property	Direction	Film weight. 13 – 20 (g/m²)	Norm
Tensile strength	MD CD	10 – 30 (N/25mm) 1,5 – 7,0 (N/25mm)	EN ISO 527-1,3
Elongation at break	MD CD	60 – 80 (%) 70 – 500 (%)	EN ISO 527-1,3

Notes: CD = cross direction, MD = machine direction

Processed materials

Applications

The film (laminate) is joined to the other components of the hygienic product at the final processing plants. Typical final structure:

internal layer (nonwoven fleece, textile mesh)
intermediate layer (absorption materials of different composition)
internal layer (breathable film or laminate)

Applications of breathable films – as a backsheet in the production of disposable hygienic products:

nappies for babies
sanitary towels
incontinence products (incontinence pants, etc.)

items for the chronically il
various medical application.

Application areas

Schema

FATRA SONTEK® F IN DISPOSABLE HYGIENIC PRODUCTS This film avoids the release of liquid from products, while still letting gases and water vapour circulate. Consequently, the skin is able to breathe but stay dry and not irritated by liquid.