Yarn Test
|
No |
TESTING ITEMS |
STANDARD TEST METHOD |
Minimum meter |
Working days |
D.YARN TEST |
||||
|
1 |
Yarn count
|
ASTM D1907-12 ; TCVN 5785-94 ISO 2060 - 94; BS 2060-95 ASTM D 2591-01; ASTMD 6717-01 (Elastometric yarn) |
50-100g: Ne(40-20) 200-300g: Ne(10-6) |
1-2 |
|
2 |
Yarn strength and elongation - Single strength -Elastometric yarn - Lea strength - Loop strength - Knop strength |
ASTM D2256-10 ; TCVN 5786-94 ISO 2062-09; BS 2062-95, ASTM D 885-10 ASTM D 2653-01 ASTM D1578-11 ; TCVN 5787-94 ASTM D 2256-10 |
tối thiểu 4000 m |
1-2 |
|
3 |
Twist of yarn - Single yarn - Ply yarn |
ASTM D1422-08 ;TCVN 5788-94 ISO 2061-10 |
100 m |
1-2 |
|
ASTM D1423-08 ; TCVN 5788-94 |
100 m |
1-2 |
||
|
4 |
Uster unevennes (UT3) |
ASTM D1425-09 ; TCVN 5442-91 |
1500 m/ ống |
1-2 |
|
5 |
Number of filament |
Housemethod |
1 g |
1-2 |
|
6 |
Shrinkage of yarns in boiling water or dry heat |
ASTM D 2259-02 |
≥2000 m |
2 |