Milflon®

 

A solution to friction problems

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MANY BENEFITS

Milflon® retains its self-lubricating properties despite harsh working conditions.

WHAT IS IT?

Milflon® is a fluoropolymer containing PTFE (polytetrafluoroethylene). Specially designed by Miltech International (registered trademark), it is a self-lubricating synthetic composite material. Although it has many intrinsic properties, it does not contain any hazardous substances and is in compliance with the ROHS directive.

Milflon® is self-lubricating

When two parts of a mechanism are in contact and rub against each other, the use of a lubricant alone may not solve every friction problem. Moreover, for reasons of congestion or inaccessibility, cost or simple choice, a lubricant product may not be usable in a satisfactory manner. Milflon® presents the enormous advantage of being able to be used on its own and in a dry environment, as it is self-lubricating.

Milflon® is resistant to corrosion

For assemblies designed to function in chemically aggressive environments, the use of a lubricant can be tricky. The corrosive fluid can act as a solvent on the lubricant and significantly alter its properties. Worse still, the surfaces of materials can be directly attacked by the chemically aggressive product.

Milflon®, on the other hand, has great chemical inertness, and is therefore particularly resistant to corrosion.

Milflon® is not affected by a vacuum or by a large thermal range

Milflon® works very well in a high vacuum, with minimum volatility and no other lubrication solution. It is perfectly usable in clean rooms for assembly of sensitive components. In addition, Milflon® keeps its characteristics unaltered at the lowest temperatures (down to -240°C) and at the highest temperatures (up to +280°C). It may, for example, be used with liquid nitrogen or to avoid the installation of an expensive lubricant cooling system.

Milflon® allows substantial savings

Milflon® is more wear-resistant than other plastics. Its replacement frequency is therefore lower. In addition, by avoiding the introduction of a lubrication system which is complex and costly by nature, it makes it possible to make significant savings.

Properties
Unit – ASTM specification
Milflon®
R
Milflon®
K
Milflon®
M2
Milflon®
M4
Milflon®
AR
Density
in g/cm3 – According to D 1457
2.291.952.102.042.3
Shore D Hardness
According to D 2240
60 to 706060 to 646470
Tensile strength
in N/cm2 – According to D 1457
1250193012001500-20501500
Elongation at break
in % – According to D 1457
1302257575260
Compressive strength with a 1% deformation at 25°C
in N/cm2 – According to D 1457
920705995995950
Compressive strength without
deformation

in N/cm2 – According to D 695
700700700700800
Maximum slip speed
in M/min – According to D 695
250250250250200
Coefficient of static dry friction0.04 to 0.160.04 to 0.100.10 to 0.180.10 to 0.180.15 to 0.17
Coefficient of dynamic dry friction0.14 to 0.200.10 to 0.180.13 to 0.230.13 to 0.170.14 to 0.23
Maximum value of dry PV
in daN/cm2 – m/min
876917815840 – 900904
Maximum value of continuous dry PV
in daN/cm2 – m/min
210180210210210
Linear Thermal Expansion Coefficient
(25°- 95°)

in 10-5/K – According to D 696
6.2 to 108.4 to 10.68.1 to 9.96 to 9.56 to 8
Coefficient of thermal conductivity
in W.m10-1.K-1 – According to DIN 52616
0.24 to 0.290.17 to 0.210.45 to 0.580.45 to 0.580.48
Operating Temperature
Fusion Point

in °C
-240° to
+280°
-240° to
+280°
-240° to
+280°
-240° to
+280°
-240° to
+280°
Surface resistance (100% R.V.)
in O/cm2/cm – According to D 257
2.3×10166.3×1018103103103
Flammability
According to D 635
Does not burnDoes not burnDoes not burnDoes not burnDoes not burn
Water absorption
in % – According to D 570
0
imperishable
0
imperishable
0
imperishable
0
imperishable
0.013
Properties
Unit – ASTM Specification
Milflon® Z
Density
in g/cm3 – According to DIN 53479
2.3
Shore D Hardness
in Rockwell M
90
Tensile strength
in N/cm2 – According to DIN 53479
7400
Elongation at break
in % – According to DIN 53455
4
Compressive strength with a 1% deformation at 25°C
in N/cm2 – According to D 1457
995
Compressive strength without
deformation

in N/cm2 – According to D 695
800
Maximum slip speed
in M/min – According to D 695
200
Coefficient of static dry friction0.15 to 0.17
Coefficient of dynamic dry friction0.17 to 0.22
Maximum value of dry PV
in daN/cm2 – m/min
904
Maximum value of continuous dry PV
in daN/cm2 – m/min
210
Linear Thermal Expansion Coefficient
(25°- 95°)

in 10-5/K – According to DIN 52328
7.8
Coefficient of thermal conductivity
in W.m10-1.K-1 – According to DIN 52616
0.25
Operating Temperature
Fusion Point

in °C – According to DIN 53461
-20° to +120°
Surface resistance (100% R.V.)
in O/cm2/cm – According to DIN 53482
1015
Flammability
According to D 635
Does not burn
Water absorption
in % – According to ASTM-D 570
0.2

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APPROACH

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