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
№	Index name	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/m²	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
№	Index name	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