Property
Unit
Test method
Test conditions
Transparent grade
 
 
 
 
Opaque grade (Filled)
 
 
 
 
RT18
RT18 XB
DX820
MX002
MX004
MBZ230
Appearance
-
-
-
Colorless transparent
Clear transparent
Colorless
Colorless transparent
Colorless transparent
White Opaque
Physical Properties
 
 
 
 
 
 
 
 
 
Density
g/cm³ (lb./ft.³)
ASTM
D 1505
-
0.833(52.0)
0.833(52.0)
0.833(52.0)
0.835(52.1)
0.834(52.1)
1.08(67.4)
Melting Point
°C (°F)
MPC method
-
240 (460)
240 (460)
240 (460)
235(450)
240 (460)
240 (460)
MFR (Melt flow rate)
g/10 min.
(ASTM
D 1238)
260°C,
5 kg
26
26
180
22
26
30
Mechanical Properties
-
-
-
-
-
-
-
-
-
Tensile strength at yield
kg/cm² (psi)
ASTM
D 638
23°C,
5mm/min.
235(3350)
235 (3350)
230 (3250)
150 (2150)
200(2850)
240(3400)
Tensile stress at break
kg/cm²(psi)
ASTM
D 638
23°C,
5mm/min.
175 (2500)
175(2500)
175 (2500)
160(2300)
175 (2500)
170(2400)
Elongation at break
%
MPC method
23°C,
5mm/min.
25
25
20
120
85
25
Bending strength
kg/cm² (psi)
ASTM
D 790
23°C,
2mm/min.
360(5100)
360 (5100)
360 (5100)
200 (2800)
250(3600)
390(5600)
Tangent modulus of elasticity
x 10³ kg/cm²
(x 10³ psi)
ASTM
D 790
23°C,
2mm/min.
13 (190)
13(190)
13 (190)
5(70)
7.5 (110)
19(270)
Stiffness (Olsen)
x 10³ kg/cm²
(x 10³ psi)
ASTM
D 747
23°C
10(140)
10 (140)
8.8(130)
3.9 (56)
6 (90)
-(-)
Impact strength (Charpy)
kg•cm/cm² (ft.lb./in.²)
ASTM
D 256
20°C,
2 mm
(with notch)
5(2)
5 (2)
-
4 (2)
4 (2)
-
Impact strength (Izod)
kg•cm/cm² (ft.lb./in.²)
(ASTM
D 256)
20°C,
2 mm
(without notch)
15 (7)
15(7)
-
>50 (23)
50 (23)
15 (7)
Hardness (Rockwell)
-
ASTM
D 785
R scale
85
85
80
35
60
90
Optical Properties
-
-
-
-
-
-
-
-
-
Transparency
%
ASTM
D 1746
--
92
92
-
91
92
-
Haze
%
ASTM
D 1746
--
1.5
1.5
-
1.5
1.2
-
Refractive index
n20
D
ASTM
D 542
-
1.463
1.463
-
1.463
1.463
-
Thermal Properties
 
 
 
 
 
 
 
 
 
Vicat softening point
°C (°F)
ASTM
D 1525
-
173 (340)
173 (340)
173 (340)
145 (290)
160 (320)
175 (350)
Heat deflection temperature
°C (°F)
ASTM
D 648
4.6 kg/cm2
  (66 psi)
90
(190)
90
(190)
-
(-)
80
(180)
85
(190)
110
(230)
Coefficient of linear expansion
cm/cm•°C
(in./in.•°F)
ASTM
D 696
-
1.17 x 10-4
  (6.5x10-5)
1.17 x 10-4 
(6.5x10-5)
1.17 x 10-4 
(6.5x10-5)
1.17 x 10-4 
(6.5x10-5)
1.17 x 10-4
  (6.5x10-5)
-
Thermal conductivity
cal•cm/sec.•cm²•°C
(BTU•in./hr.•ft.²•°F)
BS 874A
-
4x10-4 (1.2)
4x10-4(1.2)
4x10-4(1.2)
4x10-4(1.2)
4x10-4(1.2)
-
Specific heat
cal/g•°C
(BTU/lb.•°F)
ASTM
C 351
-
0.47 (0.47)
0.47(0.47)
0.47 (0.47)
0.47(0.47)
0.47 (0.47)
-
Rate of burning
cm/min.(in./min.)
ASTM
D 635
-
2.54 (1.0)
2.54 (1.0)
2.54 (1.0)
2.54 (1.0)
2.54 (1.0)
- (-)
Mold shrinkage
%
MPC method
Machine direction
2.1
2.1
-
1.6
1.9
1.7
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Transverse direction
1.7
1.7
-
1.6
1.7
1.4
Electrical properties
 
 
 
 
 
 
 
 
 
Volume resistivity
ohmEcm
ASTM
D 257
-
>1016
>1016
>1016
>1016
>1016
-
Dielectric breakdown voltage
KV/mm (V/mil.)
ASTM
D 149
-
65 (1650)
65(1650)
65 (1650)
63(1600)
65 (1650)
-
Dielectric constant
-
ASTM
D 150
Frequency 100~1M Hz
2.12
2.12
2.12
2.12
2.12
-
Other property
-
-
 
-
-
-
-
-
-
Water absorption
%
ASTM
D 570
24-hour immersion
0.01
0.01
0.01
0.01
0.01
0.11
Suitable method of molding
-
-
-
Injection Extrusion
Injection Extrusion
Paper coating
Injection
Injection Extrusion
Injection
Blow
Extrusion
 
Note: Figures shown here are representative values, not manufacturer's specifications.
 
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