Polyarylate resin

U polymer

U-100 composite grade

UG-100 series

Characteristics

・Excellent creep resistance, dimensional stability at high temperature

Properties

Item
ASTM
Unit: SI
(conventional)
UG-100-20
UG-100-30
Mechanical
Properties
Density
D-792
-
1.36
1.44
Water absorption (1/8", 24hrs)
D-570
%
0.24
0.24
Light transmittance
(Thickness: 3mm)
D-1003
%
-
-
Tensile strength
D-638
MPa {kg/cm2}
99 {1,005}
132
Elongation at break
D-638
%
4.5
2.5
Bending strength
D-790
MPa {kg/cm2}
157 {1,600}
133
Bending modulus
D-790
GPa {kg/cm2}
5.2 {53,000}
5.7
Compressive strength (Yield)
D-695
MPa {kg/cm2}
-
-
Izod impact strength
(1/8", with notch)
D-256
J/m
{kg-Ecm/cm}
49 {5}
100
Rockwell hardness
D-785
R
122
122
Thermal
properties
Deflection temperature under load
1.8MPa {18.6kg/cm2}
D-648
°C
180
180
Linear expansion coefficient
D-696
10-5/K
{10-5cm/cm/°C}
2.1
3.5
Electrical
Properties
Dielectric breakdown strength
D-149
MV/m  {kv/mm}
35
35
Specific volume resistivity
D-257
Ωm  {Ωcm}
4.6x1014
{4.6x1016}
4.6x1014
Dielectric constant (106Hz)
D-150
PF/m
26 {3.0}
27
Dielectric dissipation factor(106Hz)
D-150
-
0.015
0.015
Ark resistance
D-495
s
120
120
Tracking resistance
IEC
V
-
-
Other
properties
Molding shrinkage
(Thickness: 3mm)
Flow direction, orthogonal direction
-
%
0.2/0.55
0.1~0.2/0.3~0.5

Technical Data

  • Relationship between bending modulus and temperature

  • Relationship between bending strength and temperature

Technical Data

  • Tensile creep curve at high temperature (130°C)
    Load: 14.7Mpa{150kg/cm2}

  • Bending creep curve at high temperature(130°C)
    Load: 9.8Mpa{100kg/cm2}

Technical Data2