Yarn Tests

1

Spun yarn Count & Count CV

ASTM D 1907-01
IS 1315-1977

2

Lea Strength

a) CSP, Count, Strength & CV%
ASTM D 1578-93
IS 1671:1977

b) CSP, Count, Strength Within between Strength and Count CV%
ASTM D 1578-93
IS 1671:1977

c) CSP, Count, Strength & CV% from Hank

3

Single Yarn strength & Elongation, RKM
Form Spool

a) Statimat –M
ASTM D 2256-02
IS 1670-1991

b) Tensojet
Uster Standard Test Method

4

Single Yarn strength & Elongation, RKM removed from fabric

ASTM D 2256-02
IS 1670-1991

5

Yarn/Sliver/Roving Unevenness

a) U%, Imperfections/Km, Spectrogram
ASTM D1425-96
ISO 16549

b) U%, Imperfections/Km, Spectrogram with Hairiness
ASTM D1425-96
ISO 16549

c) Additional Charges for other test parameters e.g. Fabric Simulation, Mass Diagram

6

Hairiness

a) Hairiness on UT-4
Uster Standard Test Method

b) Hairiness on Zweigle Hairiness Tester
ASTM D 5647-01
DIN 53802

7

Twist

ASTM D1422-99/
ASTM D1423-02
IS 832-1985

a) Resultant yarn (Single/Double)

b) Single and Doubling Twist in Two fold yarn

c) Snarling Twist

d) Filament

8

Ply of Yarn

ASTM D1423

9

Yarn Appearance Grade for Cotton yarn

ASTM D2255-02

10

Classification of yarn Faults on Uster Classimat Quantum

ASTM D 6197-99 (2005)

a) Classification

b) 25 faults Collection

c) Each Extra 25 Faults Collection

11

Yarn Diameter

BS-3085 No 11

12

Lint Shedding Propensity

Lawson Hemphill Standard Test Method

13

Dynamic Strength of yarn

Lawson Hemphill Standard Test Method

14

Yarn Abrasiveness

Lawson Hemphill Standard Test

15

Filaments Denier

ASTM D 1907-01
IS 1315-1977

16

Number of Filaments

ASTM D1423-02
IS 832-1985

17

Length of yarn on Spool

ATIRA Test Method

18

Yarn Identification (one Direction)

Textured or Non-textured
Ring Spun or Rotor Spun

19

Yarn Co-efficient of Friction (Yarn to Metal)

ASTM D 3108

20

Moisture Content

IS 199

21

Whiteness Index

AATCC 110, ISO 105 J02

22

Lycra Percentage

In-house Test Method