U polymer
U Series Resins Composite Grade
(1) L-8005,LM-8503-10
Characteristics
- Chemical resistance, and excellent lubricant property
Properties
|
ASTM |
Unit: SI (conventional) |
L-8005 |
LM-8503-10 |
|
Mechanical Properties |
Density | D-792 |
- |
1.29 |
1.38 |
Water absorption (1/8", 24hrs) | D-570 |
% |
0.15 |
0.13 |
|
Light transmittance (Thickness: 3mm) | D-1003 |
% |
- |
- |
|
Tensile strength | D-638 |
MPa {kg/cm2}
|
64 {650} |
69 {700} |
|
Elongation at break | D-638 |
% |
85 |
9 |
|
Flexural strength | D-790 |
MPa {kg/cm2} |
99 {1,010} |
109 {1,110} |
|
Flexural modulus | D-790 |
GPa {kg/cm2} |
2.5 {25,500} |
3.4 {35,000} |
|
Compressive strength (Yield) | D-695 |
MPa {kg/cm2} |
- |
86 {880} |
|
Izod impact strength (1/8", with notch) | D-256 |
J/m {kg-Ecm/cm} |
78 {8} |
47 {4.8} |
|
Rockwell hardness | D-785 |
R |
125 |
123 |
|
Thermal properties |
Deflection temperature under load 1.8MPa {18.6kg/cm2} |
D-648 |
°C |
110 |
110 |
Coefficient of linear thermal expansion | D-696 |
10-5/K {10-5cm/cm/°C} |
6.2 |
- |
|
Electrical Properties |
Dielectric breakdown strength | D-149
|
MV/m {kv/mm} |
40 |
- |
Specific volume resistivity | D-257 |
Ωm {Ωcm} |
2x1014 {2x1016} |
- |
|
Dielectric constant (106Hz) | D-150 |
PF/m |
26 {3.0} |
- |
|
Dielectric dissipation factor(106Hz) | D-150 |
- |
0.015 |
- |
|
Ark resistance | D-495 |
s |
120 |
- |
|
Tracking resistance | IEC |
V |
- |
- |
|
Other properties |
Molding shrinkage (Thickness: 3mm) Flow direction, orthogonal direction |
- |
% |
0.8 |
0.37 |
Technical Data
Properties of lubricant materials
|
L-8005 |
|
|
1.8MPa {18.6kg/cm2} |
|
|
|
kPa • m/s {kg/cm2 • cm/s} |
|
|
{383} |
|
|
|
|
{mm3/km • kg} |
|
|
|
|
Ο |
Ο |
Δ |
|
Ο |
Ο |
Ο |
|
Ο |
◎ |
Ο |
|
Δ |
Δ |
◎ |
*Counterpart: S45C ◎: Excellent Ο: Good, Δ: inferior
(2) FUN-8000
Characteristics
- High impact strength
- High chemical resistance
- Transparency as high as polycarbonate
Properties
|
ASTM
|
Unit: SI (conventional) |
FUN-8000 |
|
Mechanical Properties |
Density | D-792 |
- |
1.22 |
Water absorption (1/8", 24hrs) | D-570 |
% |
0.15 |
|
Light transmittance (Thickness: 3mm) | D-1003 |
% |
87 |
|
Tensile strength | D-638
|
MPa {kg/cm2} |
66 |
|
Elongation at break | D-638
|
% |
78 |
|
Flexural strength | D-790
|
MPa {kg/cm2} |
81 |
|
Flexural modulus | D-790
|
GPa {kg/cm2} |
2.1 |
|
Compressive strength (Yield) | D-695 |
MPa {kg/cm2} |
- |
|
Izod impact strength (1/8", with notch) |
D-256 |
J/m {kg-Ecm/cm} |
450 |
|
Rockwell hardness | D-785
|
R |
- |
|
Thermal properties |
Deflection temperature under load 1.8MPa {18.6kg/cm2} |
D-648 | °C |
123 |
Coefficient of linear thermal expansion | D-696
|
10-5/K {10-5cm/cm/°C} |
- |
|
Electrical Properties |
Dielectric breakdown strength | D-149
|
MV/m {kv/mm} |
- |
Specific volume resistivity | D-257
|
Ωm {Ωcm} |
- |
|
Dielectric constant (106Hz) | D-150 |
PF/m |
- |
|
Dielectric dissipation factor(106Hz) | D-150
|
- |
- |
|
Ark resistance | D-495 |
s |
- |
|
Tracking resistance | IEC |
V |
- |
|
Other properties |
Molding shrinkage (Thickness: 3mm) Flow direction, orthogonal direction |
- |
% |
0.8 |
(3) UM-8400-20,UM-8430RG
Characteristics
- High dimensional accuracy (circularity and planarity)
- Large warping resistance
- Low coefficient of linear thermal expansion
Properties
|
ASTM |
Unit: SI (conventional) |
UM-8400-20 |
UM-8430RG |
|
Mechanical Properties |
Density | D-792 |
- |
1.43 |
1.51 |
Water absorption (1/8", 24hrs) | D-570 |
% |
0.13 |
- |
|
Light transmittance (Thickness: 3mm) | D-1003 |
% |
- |
- |
|
Tensile strength | D-638 |
MPa {kg/cm2}
|
73 {740} |
63 {645} |
|
Elongation at break | D-638 |
% |
6.5 |
16 |
|
Flexural strength | D-790 |
MPa {kg/cm2} |
120 {1,220} |
106 {1,080} |
|
Flexural modulus | D-790 |
GPa {kg/cm2} |
4.7 {48,000} |
4.3 {44,000} |
|
Compressive strength (Yield) | D-695 |
MPa {kg/cm2} |
- |
- |
|
Izod impact strength (1/8", with notch) |
D-256 |
J/m {kg-Ecm/cm} |
44 {4.5} |
43 {4.4} |
|
Rockwell hardness | D-785 |
R |
116 |
116 |
|
Thermal properties |
Deflection temperature under load 1.8MPa {18.6kg/cm2} |
D-648 |
°C |
98 |
100 |
Coefficient of linear thermal expansion | D-696 |
10-5/K {10-5cm/cm/°C} |
2.8 |
2.3 |
|
Electrical Properties |
Dielectric breakdown strength | D-149
|
MV/m {kv/mm} |
21< |
17 |
Specific volume resistivity | D-257 |
Ωm {Ωcm} |
1x1014 {1x1016} |
5x1013 {5x1015} |
|
Dielectric constant (106Hz) | D-150 |
PF/m |
- |
- |
|
Dielectric dissipation factor(106Hz) | D-150 |
- |
- |
- |
|
Ark resistance | D-495 |
s |
- |
- |
|
Tracking resistance | IEC |
V |
- |
- |
|
Other properties |
Molding shrinkage (Thickness: 3mm) Flow direction, orthogonal direction |
- |
% |
0.25 |
0.3 |
Technical Data
Properties of Precision Molding Grade Resins
Item |
U-polymer |
PC-G20% |
PPS warping-resistance grade |
||
UM-8400-20 |
UM-8430RG |
||||
Dimensional accuracy |
Flange mold: warp amount (mm) |
|
|
|
|
44¢ Cylindrical mold: external circularity (µm) |
|
|
|
|
|
44¢ Cylindrical mold: external surface run-out (µm) |
|
|
|
|
|
18¢ Cylindrical mold: internal circularity (µm) |
|
|
|
|
|
Accuracy evaluation | Ο |
◎ |
Δ |
Χ |
|
Heat resistance | Δ |
Δ |
Ο |
◎ |
|
Self-tapping resistance | Δ |
Ο |
◎ |
Ο |
|
Rigidity | Ο |
Ο |
Ο |
◎ |
|
Appearance | ◎ |
◎ |
Χ |
Ο |
|
Lubrication | Ο |
Ο |
Δ |
Ο |
|
Moldability | ◎ |
Ο |
Δ |
Χ |
◎: Excellent Ο: Good Δ: Inferior