FK-220 Special fluor elastomer high temperature heat-shrinkable tube

Brief description: Special fluor elastomer high temperature flame retardant heat-shrinkable tube, resistant to fuel and lubrication materials, hydrocarbon fuel, organic oxidizer, UF-emission, made by extrusion from chemically resistant fluoropolymer composition.

Application: Special fluor elastomer heat shrinkable tubes are used in conditions of simultaneous effect of aggressive environment as material, providing mechanical and electrical protection of different electromechanical details and components, electrical connections: core wires, cables, contact connections. Tubes are made from fluorated resin  (synonyms: Viton, FKM) having high chemical resistance, hydrophobic and flame retardance and certain flexibility that is common for elastomers. Tubes can be actively used in oil and gas industry, aerospace, military, extracting industry and many other fields of industry that have high requirements to fire safety and chemical resistance. 

Storage: in clean, dry rooms in the supplier's packaging or in cardboard boxes, at a relative humidity of up to 70%, at temperatures from -10 ° C to +50 ° C, avoiding sudden temperature changes and exposure to direct sunlight. The distance to any heating sources should be at least 1 meter (without exceeding the maximum storage temperature). Storage conditions should exclude the influence of aggressive medium: acids, alkalis, fuels and lubricants, solvents, etc..

Packing specification:  Tube is supplied in spools per 25, 50, 100, 200m. Spools can be packed in carton boxes, in packaging film.

Certification: Not subject to mandatory certification

 

Basic technical specifications:

Operating temperature

from -55°С to +200°С (short time to +220°С)

Shrink temperature

from +175°С to +200°С

Heat Shrink Ratio

Not less than 2 : 1

Flammability

Self-fading, carbonizing, flame retardant (UL 224 VW-1)

Standart color

black

Size range:

ID from 2,4 to 51mm

Longitudinal shrinkage:

Not more than 10%

 

Technical details:

Test item

Test Method

Result

Tensile strength, МPа

ASTM D2671

≥ 10

Breakdown elongation, %

ASTM D2671

≥ 250

Tensile strength after heat aged, МPа

UL224 (+168°C х 158 h)

≥ 8

Ultimate elongation after heat aged

UL224 (+168°C х 158 h)

≥ 200

Dielectric strength, kV/mm

IEC 60243

≥ 15

Volume resistivity, Ω·cm

IEC 60093

≥ 1 х 109

                                                        

Table 1. Size range

Size

Before Shrink

After Shrink

Package is spool, m

Tube in flat *

In mm

In inches

ID, mm

ID after shrink, mm

Wall thickness after shrink, mm

Ø 2,4

3/32

≥ 2,4

≤ 1,2

0,70 +/- 0,20

200

round

Ø 3,2

1/8

≥ 3,2

≤ 1,6

0,75 +/- 0,20

200

round

Ø 4,8

3/16

≥ 4,8

≤ 2,4

0,89 +/- 0,20

100

round

Ø 6,4

1/4

≥ 6,4

≤ 3,2

0,89 +/- 0,20

100

round

Ø 9,5

3/8

≥ 9,5

≤ 4,8

0,89 +/- 0,20

50

Flat / oval

Ø 12,7

1/2

≥ 12,7

≤ 6,4

0,89 +/- 0,20

25

Flat / oval

Ø 19,0

3/4

≥ 19,0

≤ 9,5

1,07 +/- 0,30

25

Flat / oval

Ø 25,4

1

≥ 25,4

≤ 12,7

1,25 +/- 0,30

25

Flat / oval

Ø 38,1

1 1/2

≥ 38,1

≤ 19,0

1,40 +/- 0,30

25

Flat / oval

Ø 51,0

2

≥ 51,0

≤ 25,4

1,65 +/- 0,30

15

Flat / oval

* - can be changed depending on consignment