Radipol XT is a high temperature polymer suitable for applications such as monofilaments for industrial brushes and filters. It offers higher resistance to thermal oxidation up to 230°C compared to competitors and absorbs less water and moisture than PA 66. Radipol XT maintains over 80% of its tensile strength and modulus even after 3000 hours at 220°C. It also absorbs around 25% less moisture than PA 66 when exposed to humid conditions. Radipol XT is well-suited for monofilament applications due to its high heat resistance, low moisture absorption, and ability to be spun into filaments with draw ratios over 3.5.

1. RADIPOL XT Monofilament application

2. Market High Temperature Polymers: drivers
MONOFILAMENTS:
hair brushes, brushes for cleaning ovens and monofilaments for industrial filtration

3. Radipol XT Key benefits
3
•Higher resistance to thermal oxidation. Same or even better performances vs. competitors till 230°C for 3000 h
•Lower water absorption vs. PA 66
•Lower moisture absorption vs PA 66
To note, RADIPOL XT covers all ranges of applications (injection molding / extrusion / blow molding)

4. Radipol XT Key benefits
4
•Higher resistance to thermal oxidation. Same or even better performances vs. competitors till 230°C for 3000 h
•Lower water absorption vs. PA 66
•Lower moisture absorption vs PA 66

5. 5
,00
20,00
40,00
60,00
80,00
100,00
120,00
0
1000
2000
3000
Retention (%)
Time (h)
Tensile Strength
P A66
PA XT
,00
20,00
40,00
60,00
80,00
100,00
120,00
0
1000
2000
3000
Retention (%)
Time (h)
Tensile Modulus
PA 66
PA XT
RADIPOL XT vs. RADIPOL A Thermal ageing in air at 220°C
Tests carried out on specimens 3.2 mm thick

6. 6
Monofilaments for industrial brushes
XT performance

7. 7
Monofilaments for industrial brushes
XT performance

8. Radipol XT Key benefits
8
•Higher temperature resistance Vc. PA 46 and PA 66: it works weel till 220°C
•Lower moisture uptake vs. PA 66
•Lower water uptake vs PA 66

9. WATER ABSORPTION PA66/6T AND PA66
plates 60*60*2mm immersion in water at 23°C
0,0
1,0
2,0
3,0
4,0
5,0
6,0
7,0
8,0
9,0
10,0
0 1000 2000 3000 4000 5000
Time (hours)
Moisture (%)
HT-PA (unfilled polymer)
PA 6.6 (unfilled polymer)
9
RADIPOL XT
Lower water uptake
Water uptaking RADIPOL XT vs PA 66
PA XT

10. Radipol XT Key benefits
10
•Higher resistance to thermal oxidation. Same or even better performances vs. competitors till 230°C for 3000 h
•Lower water absorption vs. PA 66
•Lower moisture absorption vs PA 66
•Better dimensional stability vs PA 66 ??

11. 11
RADIPOL XT Lower moisture uptake
About 25% less moisture uptake for RADIPOL XT
000
001
001
002
002
003
003
004
004
005
005
0
12
24
36
48
60
72
84
96
108
120
132
144
156
168
180
Moisture uptake [%]
Time [h]
Moisture uptake
60°C - 70% HR on plaques 2.0mm thick
PA66
XT

12.  Mechanical & physical properties
 Product Variety
 Summary of performances
Radipol XT Product info
12

13. 13
Properties
Method
Test conditions
Units
Radipol® XT
Density
ISO1183
Kg/dm3
1,15
Tensile modulus
ISO 527-2/1A
DAM; vel. test 1mm/min
MPa
2900
Yield stress
ISO 527-2/1A
DAM; vel. test 5mm/min
MPa
93
Yield strain
ISO 527-2/1A
DAM; vel. test 5mm/min
%
6.0
Flexural modulus
ISO 178/1A
DAM; vel. test 2mm/min
MPa
2700
Flexural strength
ISO 178/1A
DAM; vel. test 2mm/min
MPa
124
Charpy impact strength
ISO 179 eU
DAM; T=23°C
KJ/m2
NB
Charpy notched impact strength
ISO 179 eA
DAM; T=23°C
KJ/m2
6.5
Melting temperature
ISO 11357-1-3
Heating rate 10°C/min
°C
280
RADIPOL XT Mechanical & physical properties

14. RADIPOL XT Product Variety
RADIPOL XT 45
•RV: 2,2
•AEG: 30-40
•Tm : 280
•Tc : 247
RADIPOL XT 45 H01
14
•RV: 2,5
•AEG: > 60
•Tm: 280
•Tc: 243
Reccomended for extruding monofilaments

15. Rheological behavior
15
10
100
1000
100
1000
10000
Apparent shear viscosity (Pa - s)
Apparent shear rate (1/s)
A45
A75
XT 45
XT 45H01

16. 16
XT vs. competitors Summary of main properties comparison
Proprerty
PA 66
XT
PPS
PA 4.6
PPA
Melting Point
0
++
++
+++
++++
Processability
+++
++++
0
+
0
Resistance to heat in air
0
++
+++
0
+++
Hydrolysis
+
+
++++
0
+++
HDT
0
0
+
+++
++
Density
++
++
0
+
+

17. 17
RADIPOL XT vs Competitor (on monofilaments) (Thermal ageing in air at 200°C) The tests were carried out internally with a dynamometer for yarn
40
60
80
100
0
50
100
150
Retention (%)
Time (h)
Tensile stress at break
Competitor (DR=3,5)
XT 2 (DR= 4,0)
20
40
60
80
100
-10
10
30
50
70
90
110
130
150
Retention (%)
Time (h)
Elongation at break
Competitor (DR=3,5)
XT 2 (DR= 4,0)

18. Monofilaments market
•RADIPOL XT performances vs. main CTQ’s
–Spinnability at high draw ratios (> 3.5) - GOOD
–Waste reduced - GOOD
–Consistency in spinning (limited evolution of the viscosity) – GOOD (XT 45 reccomended)
–High heat resistance - GOOD
–High melting point vs. PA 66 - GOOD
–Good elastic recovery – FAIR (like 66)
–Limited loss of properties due to water uptaking - GOOD
18