● |
Test method: |
Conform to the
German
regulation of
DIN53840. |
● |
Application
range: |
Specially used
to test
polyester
textured yarn
shrinkage by
marking scale on
the magazine,
and to test the
length
proportion of
shrinkage with
different
weights. |
● |
Test scale: |
The scale on
the magazine 0 - 65 cm, can test 5 groups of yarn simultaneously with 0.5cm
resolution. |
● |
Test fittings: |
The needing
fittings during
test are winder,
heating oven
which of the
highest
temperature is
up to 250℃±0.2℃,
and thermal
state 100±0.2℃。 |
● |
Weight
resolution: |
0.01g / dtex。 |
● |
weight for
Option: |
Weights for
option: |
a. 1.0 g /
dtex(polyester
filament |
|
b. 2.0g / dtex(polymide
filament)。 |
● |
Standard weight: |
2.5g*5, 25g* 1,
500g *1, 2500g
*1 |
● |
Dimension and
weight: |
(H)900×(W)400×(D)295
mm,15
Kg |
● |
Formula: |
Crimp
contraction (CC)
E=1g-1z/1g×100% |
|
Crimp module
(CM)
K=1g-1f/1g×100% |
|
Crimp stability
(CS)
B=1g-1b/1g-1z×100% |
● |
Test
procedures
and
methods |
 |
 |
 |
 |
 |
Unit/Weight
CN/tex |
2 |
0.01 |
0.1 |
10 or 20 |
0.01 |
Test
time |
10secs |
10mins |
10secs |
10secs |
10mins |
Test
length |
1g |
1z |
1f |
|
1b |
Weight
scale |
F=500 |
F=2.5 |
F=25 |
F=2500 |
F=2.5 |
|
|
|