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[UNITIKA U-polymer]

U Series Resins Composite Grade

(1) L-8005, LM-8503-10
Characteristics
• Chemical resistance, and excellent lubricant property

Properties
Print Table on A4 Paper
Item
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
Bending strength
D-790
MPa {kg/cm2}
99 {1,010}
109 {1,110}
Bending 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
Linear expansion coefficient
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
Item
L-8005
LM-8503-10
POM
Deflection temperature under load
1.8MPa {18.6kg/cm2}
110
110
110
Limiting PV value
kPa • m/s {kg/cm2 • cm/s}
-
-
376
{383}
Coefficient of dynamic coefficient*
0.2~0.3
0.2~0.4
0.2~0.3
Relative abrasion*
{mm3/km • kg}
-
-
2.13
Dimensional stability
Ο
Ο
Δ
Creep resistance
Ο
Ο
Ο
Rigidity
Ο
◎
Ο
Chemical resistance
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
Print Table on A4 Paper
Item
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
Bending strength
D-790
MPa {kg/cm2}
81
Bending 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
Linear expansion coefficient
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 linear expansion coefficient

Properties
Print Table on A4 Paper
Item
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
Bending strength
D-790
MPa {kg/cm2}
120 {1,220}
106 {1,080}
Bending 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
Linear expansion coefficient
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)
0.25
0.20
0.38
0.35
44¢ Cylindrical mold:
external circularity (µm)
33
30
45
-
44¢ Cylindrical mold:
external surface run-out (µm)
30
30
50
75
18¢ Cylindrical mold:
internal circularity (µm)
18
15
38
33
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

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