Overview
Product Details
Virgin Acrylic Resin/PMMA Granule/PMMA Powder For Dentures
Property:
|
Item |
Test Method |
Test Condition |
Unit |
|
|
|
|
|
Physical Properties |
Specific |
ISO 1183 |
23°C |
g/cm3 |
1.16 |
1.16 |
1.14 |
|
Light Transmission |
ISO 13468 |
3mm |
% |
92 |
92 |
92 |
|
|
Haze |
ISO 14782 |
3mm |
% |
0.5 |
0.6 |
0.6 |
|
|
Refractive Index |
ASTM D452 |
nd |
- |
1.49 |
1.49 |
1.49 |
|
|
Water Absorption |
ISO 62 |
24hr |
% |
0.3 |
0.3 |
0.3 |
|
|
Thermal Properties |
Specific Heat |
JIS K7123 |
|
J/(g.°C) |
1.5 |
1.5 |
1.5 |
|
Linear Expansion Coefficient |
ASTM D696 |
|
1/°C |
6×10-5 |
10×10-5 |
12×10-5 |
|
|
Heat Transfer Rate |
ASTM C177 |
|
W/(m.°C) |
0.2 |
0.2 |
0.2 |
|
|
Heat Distortion Temp. |
ISO 75 |
1.82MPa |
°C |
82 |
92 |
81 |
|
|
Vicat Softing Temp. |
ISO 306 |
50N |
°C |
85 |
93 |
78 |
|
|
Melt Fluidity |
ISO 1133 |
230°C,37.3N |
g/10min |
6 |
1.1 |
1.3 |
|
|
Spiral Flow (Thickness 2mm) |
MRC |
230°C |
mm |
ND |
170 |
200 |
|
|
250°C |
mm |
ND |
260 |
290 |
|||
|
Mechanical Properties |
Tensile Strength |
ISO 527 |
1A/5 |
MPa |
52 |
52 |
37 |
|
Tensile Elongation |
ISO 527 |
1A/5 |
% |
40 |
15 |
50 |
|
|
Tensile Modulus |
ISO 527 |
1a/1 |
GPa |
1.8 |
1.9 |
1.4 |
|
|
Flexural Strength |
ISO 178 |
|
MPa |
76 |
76 |
52 |
|
|
Flexural Modulus |
ISO 178 |
|
GPa |
1.9 |
1.9 |
1.5 |
|
|
Izod Impact Strength |
ISO 180 |
1A |
kJ/m2 |
3.7 |
4.3 |
9.8 |
|
|
Charpy Impact |
ISO 179 |
Unnotched |
kJ/m2 |
49 |
62 |
110 |
|
|
Notched |
kJ/m2 |
2.8 |
2.7 |
6.6 |
|||
|
Rockwell Hardness |
ISO 2039 |
M scale |
- |
68 |
55 |
33 |
|
|
Electrial Properties |
Surface Resistivity |
JIS K6911 |
|
Ω |
>1016 |
>1016 |
>1016 |
|
Volume Resistivity |
JIS K6911 |
|
Ωm |
>1013 |
>1013 |
>1013 |
|
|
Through the strength of insulation |
JIS K6911 |
4KV/sec |
MV/m |
20 |
20 |
20 |
|
|
Permittivity |
JIS K6911 |
60Hz |
- |
3.7 |
3.7 |
3.7 |
|
|
Media Attenuation Factor |
JIS K6911 |
60Hz |
- |
0.05 |
0.05 |
0.05 |
|
|
|
|
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