| Nets Specifications>> HTML File |
|
| Nets Specifications>> PDF File |
|
|
|
| CHEMICAL
AND PHYSICAL CHARACTERISTICS OF SYNTHETIC FIBERS |
|
|
|
|
FIBER
|
|
Chemical/physical characteristics
|
PA 6 HT
|
PA 66 HT
|
PES HT
|
PP
|
HPPE
|
PE
|
|
Tenacity
(gr./den)
|
9
|
9
|
9
|
7
|
40
|
5
|
|
Elongation
at break(%)
|
23
|
20
|
14
|
18
|
3,5
|
20
|
|
UV
rays resistance
|
medium
|
weak
|
medium
|
medium
|
good
|
medium
|
|
Specific
weight
|
1,14
|
1,14
|
1,38
|
0,91
|
0,97
|
0,97
|
|
Melting point C°
|
215-220
|
255-260
|
250-260
|
160-175
|
144-152
|
125-135
|
|
Resistance to alkalis
|
good
|
good
|
weak
|
good
|
good
|
good
|
|
Acid resistance
|
weak
|
weak
|
good
|
good
|
good
|
good
|
|
Moisture
absorption%
(65%-20°C)
|
3,5-4,5
|
3,4-4,5
|
0,2-0,5
|
0
|
0
|
0
|
|
|
|
|
|
| EMPIRICAL
CRITERIA FOR IDENTIFICATION OF SYNTHETIC FIBERS |
|
|
|
|
FIBER
|
|
Identification
|
PA
|
PES
|
PE
|
PP
|
|
Combustion
|
Fusion
followed by a short-term flame with ejection of fused droplets
|
Fusion
followed by slow combustion with bright yellow flame
|
Fusion
followed by slow combustion with a dim blue flame
|
Fusion
followed by slow combustion with a dim blue flame
|
|
Smoke
|
White
|
Nero
with Soot
|
White
|
White
|
|
Odour
|
Celery
|
Hot
oil
|
Blowing
out candle
|
Hot
wax
|
|
Residuals
|
Welding
residuals grey/dark
|
Welding
residuals hard and dark
|
Welding
residuals soft
|
Welding
residuals hard
|
|
|
|
| ABBREVIATION |
|
|
PA
6 HT
|
Polyamide
(Nylon) 6 High tenacity
|
|
PA
6,6 HT
|
Polyamide
(Nylon) 6,6 High tenacity
|
|
PES
HT
|
Polyester
High tenacity
|
|
PP
|
Polypropylene
|
|
PE
|
Polyethylene
|
|
|
|