[UNITIKA U-polymer]

U-100 (Neat Polymer)

Properties
Item
ASTM
Unit: SI
(conventional)
U-100
Mechanical
Properties		 Density
D-792
-
1.21
Water absorption (1/8", 24hrs)
D-570
%
0.26
Light transmittance
(Thickness: 3mm)
D-1003
%
87
Tensile strength
D-638
MPa {kg/cm2}
69 {700}
Elongation at break
D-638
%
60
Bending strength
D-790
MPa {kg/cm2}
84 {860}
Bending modulus
D-790
GPa {kg/cm2}
2.1 {22,000}
Compressive strength (Yield)
D-695
MPa {kg/cm2}
84 {860}
Izod impact strength
(1/8", with notch)
D-256
J/m
{kg-Ecm/cm}
225 {23}
Rockwell hardness
D-785
R
125
Thermal
properties
Deflection temperature under load
1.8MPa {18.6kg/cm2}

D-648
°C
175
Linear expansion coefficient
D-696
10-5/K
{10-5cm/cm/°C}
6.1
Electrical
Properties		 Dielectric breakdown strength
D-149
MV/m {kv/mm}
39
Specific volume resistivity
D-257
Ωm {Ωcm}
2x1014 {2x1016 }
Dielectric constant (106Hz)
D-150
PF/m
27 {3.0}
Dielectric dissipation factor(106Hz)
D-150
-
0.015
Ark resistance
D-495
s
130
Tracking resistance
IEC
V
220
Other
properties		 Molding shrinkage
(Thickness: 3mm)
Flow direction, orthogonal direction
-
%
0.8


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