Property
|
Item No.
|
Unit
|
UHMWPE
|
PA66
|
POM
|
1
|
Density
|
g/cm3
|
0.935
|
1.13-1.15
|
1.04
|
2
|
Water absorption (23℃ in air)
|
%
|
<0.01
|
1.5
|
0.25
|
3
|
Rift intensity
|
N/cm2
|
29
|
60.7-82.3
|
68.6
|
4
|
impulsive intensity(break up)
|
%
|
no damage
|
60-110
|
80-130
|
5
|
luos hardness bard
|
|
40
|
85-120
|
120
|
6
|
melting point
|
℃
|
136
|
225
|
166
|
7
|
hot deformation temperature(0.46MPa)
|
℃
|
85
|
182-244
|
170
|
8
|
Expansion coefficient
|
10-4/℃
|
1.5
|
0.8
|
0.81
|
9
|
Dielectric constant
|
|
2.3
|
3.4-3.6
|
3.7
|
10
|
calculus
|
--
|
Not easy to calculus
|
calculus
|
easy to calculus
|