Matt Frost & Supermatt
The newly-developed LX FROST product provides the PMMA with a unique elegant appearance, as well as weather resistance and high hardness characteristics, with matt properties and a frosted optical effect based on the LX MMA-owned light-diffusing technology. LX MMA also has a FROST grade that can realize super-matt effects, which is available on a customer’s special request.
High Transmittance, High Diffusivity
The LX FROST grade can be applied by injection, extrusion, and profile extrusion processes as a material for light covers and vehicle lighting guides, as well as being co-extruded as a top coat material. In particular, the unique matt effect is clearly achieved when the extruded and the co-extruded sheets with SUPERMATT are applied to the exteriors of electrical home appliances and bathtubs, which results in a matt effect even after a thermal formation.
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LF Series
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LX Supermatt
Matt Frost & Supermatt Properties
|
Item |
Condition |
Unit |
Method |
IH830A |
EG920 |
HI535 |
|||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
LF192 |
LF198 |
LF188 |
LF198 |
LF188 |
LF198 |
LF188 |
|||||
|
Thermal Properties |
Melt Flow Index |
230℃/ |
g/10min |
ISO 1133 |
4.1 |
4.2 |
3.8 |
1.3 |
1.0 |
0.9 |
0.9 |
|
VICAT Softening Point |
B/50 |
℃ |
ISO 306 |
98.9 |
100.0 |
100.3 |
104.3 |
104.5 |
97.3 |
96.6 |
|
|
Heat Deflection Temperature |
1.8MPa |
℃ |
ISO 75 |
75.7 |
77.6 |
79.0 |
81.9 |
82.2 |
74.5 |
73.5 |
|
|
Mechanical Properties |
Charpy Impact Strength |
notched |
kJ/m² |
ISO 179 |
1.5 |
1.5 |
1.5 |
1.5 |
1.5 |
4.4 |
4.4 |
|
Rockwell Hardness |
M scale |
- |
ISO 2039-2 |
93.7 |
94.6 |
93.2 |
94.8 |
91.6 |
60.3 |
59.0 |
|
|
Tensile Strength at Break |
5mm/min |
Mpa |
ISO 527 |
69.9 |
67.1 |
65.2 |
72.2 |
72.3 |
42.9 |
42.3 |
|
|
Tensile Strain at Break |
5mm/min |
% |
ISO 527 |
3.7 |
3.4 |
2.8 |
5.0 |
5.1 |
28.7 |
27.2 |
|
|
Tensile Modulus |
1mm/min |
GPa |
ISO 527 |
3.0 |
3.0 |
2.9 |
3.0 |
2.8 |
1.6 |
1.7 |
|
|
Flexural Strength |
2mm/min |
MPa |
ISO 178 |
81.3 |
95.7 |
83.7 |
117.0 |
115.7 |
71.1 |
71.0 |
|
|
Flexural Modulus |
2mm/min |
GPa |
ISO 178 |
3.1 |
3.2 |
3.2 |
3.0 |
3.1 |
1.9 |
1.9 |
|
ID Series vs. LF Series
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Relatively small size diffusing particles are dispersed in ID Grade
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Much bigger size diffusing particles are dispersed in LF Grade
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ID198
Intensity
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LX Matt Frost LF198
Intensity
Optical properties of both LF198 and ID198 by using hazemeter analysis shows quite similar optical values(transmittance & haze). On the other hand, the optical values of both LF198 and ID198 by using gonio-photometer analysis show quite different scattering pattern, LX New FROST grades show much stable light transmittance and unique combination of optical efficiency and light stability.
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