S-Digitaal Super RG6 U6 100 m  Made in Europe

PHYSICAL FOAMING

Frequency     Chemical foaming   Physical foaming
400 MHz        16,1 dB/100 m          12,9 dB/100m
800 MHz        27,7 dB/100 m          18,8 dB/100 m
1000 MHz      31,3 dB/100 m          21,2 dB/100m
1750 MHz      29,0 dB/100m           27.5 dB/100m
2150 MHz      29,7 dB/100m           30.5 dB/100m
2400 MHz      34,8 dB/100m           32.5 dB/100m

What is physical foaming technology?

During the production of insulation Nitrogen gas is injected into the PE material with a special machine. The foaming provided by this technology is called as PHYSICAL FOAM (Gas Injected Foam). This technology is also called as Skin-Foam-Skin and composed of three different layers.

Inner Skin: This layer is composed of some kind of glue material and applied directly into the inner conductor copper. The thickness of this layer is 0.05 µm. By this way the 2. layer is provided to stick on the inner conductor tightly. This layer improves the electrical properties of the insulation.

Foam Skin: The thickness of this layer changes depending on the type of cable. This layer is composed of PE material mixture which is foamed by injecting Nitrogen Gas. Here the rate and the homogeneity of foam effects the electrical properties of the cable directly.
Outside Skin: This layer is composed of PE material. The thickness of this layer is 0,07 µm. This layer covers the Foam Layer completely and protects the Foam Rate and also protects the cable from moisture. By this layer the cables does not lose its electrical properties for long years.

What is the advantage of Physically Foamed cable?
- Cable is not effected from moisture
- Cable is more flexible
- Cable is laid down more easily
- Cable is not effected from water
- Cable keeps its electrical properties same for long years
- The attenuation of the cable is more stable in high frequencies
- The warranty time of the cable is 15 years from production date

The below is the comparison of the attenuations of RG 6 U type coaxial cable, produced by chemical foaming which is the old technology and physical foaming which is the latest technology, in same frequency ranges.

STRUCTURAL PROPERTIES

Type                                         SAB RG 6 U/6 PHY
Inner Conductor                        1.02 mm Annealed Copper
Insulation                                   Nitrogen injected PE
Outer Diameter of Insulation       4.8 mm ± 0.15 mm
Outer Conductor                       CU-PET Foil+Braid
Foil                                           Thickness 23 µm, Width 18 mm
Braid                                        16 x 4 x 0.12 x mm Cu
Covering Rate                           %45
Diameter On Outer Screen        5.34 mm ± 0.2 mm
Jacket                                       PVC Green and White
Outer Diameter                         6.8 mm ± 0.2 mm
Min. Wall Thickness                 0.50 mm
Nom. Wall Thickness               0.65 mm
Min. Bending Radius                35 mm
Weight                                    48.0 g/m

ELECTRICAL PROPERTIES

75 ± 3 Ohm
˛51.1 Ohm/km
˛23.0 Ohm/km
˛28.1 Ohm/km
54 ± 2pF/m
%84

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