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OJS Chernigovskoye KHIMVOLOKNO-AMTEL
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Cord caprone fabrics
CORD CAPRONE FABRICS

6 KNTS-0 - for production of bike tires; 23 KNTS, 232 KNTS, 25 KNTS, 252 KNTS, 123 KNTS, 12 KNTS, 122 KNTS, 30 KNTS, 302 KNTS - for production of pneumatic tires. Cord caprone fabrics are used in the process of production of tires for trucks and autoes.

Physico-mechanical indexes to polyamide (PА-6) cord caprone fabrics.
ГОСТ 24221-94 (TU U 17.2-00204048.147-2001)
Index name Norm for fabric
6 KNTS-0 123KNTS 23KNTS 232KNTS 25KNTS 252KNTS 28KNTS 282KNTS
1. Cord yarn structure 93,5 tex х1 93,5 tex х1х2 187 tex х1х2 187 tex х1х2 187 tex х1х2 187 tex х1х2 187 tex х1х2 187 tex х1х2
2. Thickness, mm 0,3±0,03 0,5±0,03 0,7±0,03 0,7±0,03 0,7±0,03 0,7±0,03 0,7±0,03 0,7±0,03
3. Tearing force, N, not less 57 122 225 225 245 245 275 275
4. Coefficient of variation at tearing force, %, not more 8,0 3,8 3,8 3,8 3,8 3,8 3,8 3,8
5. Yarn lengthening, %, at force 20 N
8,0±1,5 4,5±1,5 4,5±1,5 4,5±1,5 4,5±1,5 4,5±1,5 4,5±1,5
6. Yarn lengthening, %, at force 39 N
12,0±1,5 8,5±1,5 8,5±1,5 8,5±1,5 8,5±1,5 8,5±1,5 8,5±1,5
7. Yarn lengthening, %, at break 20,0±3,0 27,0±2,0 27,0±2,0 27,0±2,0 28,0±2,0 28,0±2,0 28,0±2,0 28,0±2,0
8. Coefficient of variation at lengthening at break, %, not more
7,0 7,0 7,0 7,0 7,0 7,0 7,0
9. Thermal stability, %, not less
80 80 80 80 80 80 80
10. Linear shrinkage, %, not more
11,0 11,0 11,0 11,0 11,0 11,0 11,0
11. Mass share of spin finish, %, not more 1,2 1,2 1,2 1,2 1,2 1,2 1,2
12. Twists number per 1 m, I twisting 300±20 470±20 336±20 336±20 336±20 336±20 336±20 336±20
13. Twists number per 1 m, II twisting
470±20 328±20 328±20 328±20 328±20 328±20 328±20
14. Twisting direction Z ZZS ZZS ZZS ZZS ZZS ZZS ZZS
15. Fabric width, cm 148±2 148±2 148±2 148±2 148±2 148±2 148±2 148±2
16. Filaments number per 10 cm on warp 94±1 61±1 94±1 75±1 94±1 75±1 94±1 75±1
17. Filaments number per 10 cm on weft 12±1 10±1 8±1 10±1 8±1 10±1 8±1 10±1
18. Bindness strength of cord yarn with rubber, N, not less 785






19. Surface density, g/m 2 95±20 132±10 406±20 325±15 406±20 325±15 406±20 325±15
20. Mass share of low-molecular combinations, %, not more 3,0






21. As a weft a cotton yarn 25 tex is used
22. First two figures mean tearing force in N; the third figure-difference in densities of warp and weft; К-caprone fabric
23. N-cord fabric produced out of cord yarn without water treatment; Т-fabric thermal treated;
S-fabric out of stabilised caprone cord yarns; О-cord fabric produced on the base of monotwisted yarn
Physico-mechanical indexes to polyamide (PА-6) cord caprone fabrics. TU U 17.5-00204048.165-2002
Index name Norm for fabrics of the
following sorts
30 KNTS-0 302 KNTS-0
1. Cord yarn structure 230 tex х2 230 tex х2
2. Width, mm 0,73±0,02 0,73±0,02
3. Yarn tearing force, N, not less 289,0 289,0
4. Coefficient of variation at tearing force, %, not more 4,0 4,0
5. Yarn lengthening, %, at force 20N 2,5±1,0 2,5±1,0
6. Yarn lengthening, %, at force 39N 5,5±1,5 5,5±1,5
7. Yarn lengthening, %, at break 23,5±2,0 23,5±2,0
8. Coefficient of variation at lengthening at fracture, %, not more 8,0 8,0
9. Thermal stability, %, not less 80 80
10. Linear shrinkage, %, not more 11,0 11,0
11. Mass share of spin finish, %, not more 1,2 1,2
12. Twists number per 1 m of yarn 130±15 336±20
13. Twists direction Z Z
14. Fabric width, cm 148±2 148±2
15. Twists number per 10 cm on warp 92±1 75±1
16. Twists number per 10 cm on weft 8±1 10±1
17. Mass share of low molecular combinations, %, not more 1,2 1,2
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