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Requirements

Silica cords

SuperSilika cords are used as heat insulation for sealing the furnace or boiler doors, waste heat exchanger and other parts of the heat-exchange equipment involved in combustion of organic fuels (natural gas, oil fuel, coal, timber).

The cord operating temperature ranges from - 600С  to + 11000С.

        Silica cords for heat insulation

Single- or double-braided SuperSilika cords are produced with a silica needle core or silica yarn inside. A double-braided cord is used to improve wear resistance. The cords are braided with silica yarn K11 C9-180 S150 (TU RB 300059047.068-2004). The cord core is made of SuperSilika material (TU 5952-156-17644763-09).

 

 

 

The cord grades are identified with letters: ShKN(N); ShK(BA)N(N); ShKN(H). The identifiers consist of three parts divided with a hyphen:

The first letter part of the identifier:

Sh – cord

K – silica yarn

BA – silica shrink-proof coupled yarn

N – cord with a core

In brackets:

(N) – core: silica yarn; (H) – core: silica canvas.

The second digital part: 1; 2 – single-braided or double-braided cord.

The third digital part: nominal cord diameter in mm.

Example of order identification:

10 mm silica single-braided cord with a core of yarn: ShKN-(N)-1-10 TU 5952-003-17644763-12;

Diameters and weights of SuperSilika cords as per identification:

Cord grade

Cord diameter, mm

Weight of 1 m cord, g

ShKN-(N)-1/2-1,5

1,5±0,5

5/7

ShKN-(N)-1/2-3

3±0,5

10/12

ShKN-(N)-1/2-4

4±0,5

12/15

ShKN-(N)-1/2-5

5±0,5

19/21

ShKN-(N)-1/2-6

6±0,5

28

ShKN-(N)-1/2-8

8±1,0

50

ShKN-(N)-1/2-10

10±1,0

80

ShKN-(N)-1/2-14

14±2,0

42/52

ShKN-(N)-1/2-16

16±2,0

56/70

ShKN-(N)-1/2-18

18±2,0

225/245

ShKN-(N)-1/2-20

20±2,0

325/345

ShKN-(N)-1/2-10

10±1,0

30/47

ShKN-(N)-1/2-12

12±1,0

30/52

ShKN-(N)-1/2-20

20±2,0

105/125

ShKN-(N)-1/2-22

22±2,0

120/150

ShKN-(N)-1/2-25

25±2,0

170/180

ShKN-(N)-1/2-30

30±2,0

180/200

ShKN-(N)-1/2-40

40±3,0

350/410

ShKN-(N)-1/2-50

50±4,0

650/670