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Главная Specnab Nonwoven filtering materials Eleflen L

Eleflen L

Eleflen L is used as a filtering material in manufacturing process of filtering half-masks to protect against aerosols and the prototype of which is the half-mask «Lepestok».


According to its properties, it is the most flexible, and fuzziest single-layered one for better obturation. It is used after applying powerful electrostatic charging.


Technical characteristics

Type

Surface density, g/m²

Sheet width, mm, not less than

Resistance to constant air flow at a rate of 0.01 m/s, Pa

The permeability coefficient of aerosol oil mist with particle diameter of 0.28 till 0.34 microns at a flow rate of 0.01 m/s,%, not more

Breaking weight, N, not more

Stretch at break, %, not more than

Eleflen-4L

40±5

750

нnot less than 3,3

2,5

5

50

Eleflen-5L

50±5

750

not less than 3,6

not more than 0,9

5

50

Upon customer’s demand, material Eleflen of any density can be produced the material (from 15 to 150 g/m²) and of the width (750 mm).

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