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Mitsui Chemicals
UHMW-PE grades offered by Mitsui meet diverse industry needs due to the material's excellent chemical resistance, abrasion resistance, impact resistance and self-lubrication properties.

Physical Properties of MIPELON™

MIPELON™ is available in different grades which differ primarily by particle size. Table 1 shows the particle size distribution of different MIPELON™ grades.



Particle size distribution
MIPELON™
Avg. Particle
Size (um)
< 20 um
20 – 30 um
30 - 40 um
>40 um
XM-220
30
10
35
35
20
XM-221U
25
20
55
20
5
PM-220
10
98
2
-
-
Table 1: Particle size distribution of MIPELON™ UHMW-PE grades

The average molecular weight, density and mechanical properties of various MIPELON™ grades are summarized in Table 2

Properties
Unit
Test Method
MIPELON™
(XM-220, XM-221U, PM-200)
Average molecular weight*
x104
MCI method
180 - 200
Density
kg/cm3
MCI method
937
Tensile strength at yield point
Mpa
1S0527-
1/2(50mm/min)
22
Tensile strength at break
%
1S0527-
1/2(50mm/min)
9
Tensile elongation at break
%
1S0527-
1/2(50mm/min)
400
Flexural Strength
MPa
1S0527-
1/2(1mm/min)
850
Flexural modulus
MPa
1SO178
850
Shore D Hardness
°C
1SO868
63
Deflection temperature under
load(1.8MPa)
°C
1SO75-1/2
48
Vicat Softening Tempeature
(VST/B/50)
°C
1SO306
81
Linear expansion coefficient
(23°C-80°C)
x104°C-1
18011359
Method A
1.7
Table 2: Key physical properties of MIPELON™ UHMW-PE grades


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